Stars Group Inc. (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line Label Object Class Period Type Balance Report ElementName
1 100000 - Document - Document and Entity Information Network

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 http://www.starsgroup.com/20181231/taxonomy/role/DocumentDocumentAndEntityInformation
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3 Document And Entity Information [Abstract] Abstract tsg:DocumentAndEntityInformationAbstract
4 Document Type Concept (Submission Type) For Period dei:DocumentType
5 Amendment Flag Concept (Yes/No) For Period dei:AmendmentFlag
6 Document Period End Date Concept (Date) For Period dei:DocumentPeriodEndDate
7 Document Fiscal Year Focus Concept (Year) For Period dei:DocumentFiscalYearFocus
8 Document Fiscal Period Focus Concept (Fiscal Period) For Period dei:DocumentFiscalPeriodFocus
9 Trading Symbol Concept (Text/String) For Period dei:TradingSymbol
10 Entity Registrant Name Concept (Text/String) For Period dei:EntityRegistrantName
11 Entity Central Index Key Concept (CIK Number) For Period dei:EntityCentralIndexKey
12 Current Fiscal Year End Date Concept (Month/Day) For Period dei:CurrentFiscalYearEndDate
13 Entity Well-known Seasoned Issuer Concept (Yes/No) For Period dei:EntityWellKnownSeasonedIssuer
14 Entity Current Reporting Status Concept (Yes/No) For Period dei:EntityCurrentReportingStatus
15 Entity Filer Category Concept (Filer Category) For Period dei:EntityFilerCategory
16 Entity Common Stock, Shares Outstanding Concept (Shares) As Of dei:EntityCommonStockSharesOutstanding
17 100010 - Statement - Consolidated Statements of (Loss) Earnings Network

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 http://www.starsgroup.com/20181231/taxonomy/role/StatementConsolidatedStatementsOfLossEarnings
18 Implied Table Table

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19 Income Statement [Abstract] Abstract ifrs-full:IncomeStatementAbstract
20 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
21 Cost of revenue (excluding depreciation and amortization) Concept (Monetary) For Period Debit ifrs-full:CostOfSales
22 Gross profit (excluding depreciation and amortization) Concept (Monetary) For Period Credit ifrs-full:GrossProfit
23 General and administrative Concept (Monetary) For Period Debit ifrs-full:SellingGeneralAndAdministrativeExpense
24 Sales and marketing Concept (Monetary) For Period Debit ifrs-full:SalesAndMarketingExpense
25 Research and development Concept (Monetary) For Period Debit ifrs-full:ResearchAndDevelopmentExpense
26 Operating income Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
27 Net earnings (loss) from associates Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
28 Net financing charges Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
29 (Loss) earnings before income taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
30 Income tax recovery (expense) Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
31 Net (loss) earnings Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
32 Net (loss) earnings attributable to Abstract ifrs-full:ProfitLossAttributableToAbstract
33 Shareholders of The Stars Group Inc. Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
34 Non-controlling interest Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
35 Net (loss) earnings Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
36 (Loss) earnings per Common Share (U.S. dollars) Abstract ifrs-full:EarningsPerShareAbstract
37 Basic Concept (Share) For Period ifrs-full:BasicEarningsLossPerShare
38 Diluted Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShareFromContinuingOperationsIncludingNetMovementInRegulatoryDeferralAccountBalancesAndNetMovementInRelatedDeferredTax
39 Weighted average Common Shares outstanding (thousands) Abstract ifrs-full:WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract
40 Basic Concept (Shares) For Period ifrs-full:WeightedAverageShares
41 Diluted Concept (Shares) For Period ifrs-full:AdjustedWeightedAverageShares
42 100030 - Statement - Consolidated Statements of Comprehensive (Loss) Income Network

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 http://www.starsgroup.com/20181231/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveLossIncome
43 Implied Table Table

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44 Statement Of Comprehensive Income [Abstract] Abstract ifrs-full:StatementOfComprehensiveIncomeAbstract
45 Net (loss) earnings Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
46 Debt instruments at FVOCI – loss in fair value * Concept (Monetary) For Period Debit tsg:DebtInstrumentsAtFairValueOfOtherComprehensiveIncomeLossInFairValue
47 Debt instruments at FVOCI – reclassified to net earnings * Concept (Monetary) For Period Debit tsg:DebtInstrumentsAtFairValueOfOtherComprehensiveIncomeReclassifiedToNetEarnings
48 Available-for-sale investments – gain in fair value ** Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTax
49 Available-for-sale investments – reclassified to net earnings ** Concept (Monetary) For Period Debit ifrs-full:ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTax
50 Foreign operations – unrealized foreign currency translation differences Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationBeforeTax
51 Cash flow hedges – effective portion of changes in fair value Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnCashFlowHedgesBeforeTax
52 Cash flow hedges – reclassified to net earnings Concept (Monetary) For Period Debit ifrs-full:ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax
53 Other comprehensive loss Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
54 Total comprehensive (loss) income Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
55 Total comprehensive (loss) income attributable to: Abstract ifrs-full:ComprehensiveIncomeAttributableToAbstract
56 Shareholders of The Stars Group Inc. Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
57 Non-controlling interest Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
58 Total comprehensive (loss) income Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
59 100050 - Statement - Consolidated Statements of Comprehensive (Loss) Income (Parenthetical) Network

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 http://www.starsgroup.com/20181231/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveLossIncomeParenthetical
60 Implied Table Table

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61 Statement Of Comprehensive Income [Abstract] Abstract ifrs-full:StatementOfComprehensiveIncomeAbstract
62 Net of income tax recovery expense under debt instrument Concept (Monetary) For Period Debit tsg:IncomeTaxRelatingToDebtInstrumentFinancialAssetsOfOtherComprehensiveIncome
63 Net of income tax recovery under available for sale investment Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToAvailableforsaleFinancialAssetsOfOtherComprehensiveIncome
64 Net of income tax - Cash flow hedges Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome
65 100060 - Statement - Consolidated Statements of Financial Position Network

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 http://www.starsgroup.com/20181231/taxonomy/role/StatementConsolidatedStatementsOfFinancialPosition
66 Statement Of Financial Position [Table] Table

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 tsg:StatementOfFinancialPositionTable
67 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
68 Assets [member] Member ifrs-full:ClassesOfAssetsMember
69 Operational Member tsg:OperationalMember
70 Customer Deposits Member tsg:CustomerDepositsMember
71 Statement Of Financial Position [Line Items] LineItems tsg:StatementOfFinancialPositionLineItems
72 ASSETS Abstract ifrs-full:AssetsAbstract
73 Current assets Abstract ifrs-full:CurrentAssetsAbstract
74 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
75 Restricted cash advances and collateral Concept (Monetary) As Of Debit tsg:RestrictedCashAdvancesAndCollateralCurrent
76 Prepaid expenses and other current assets Concept (Monetary) As Of Debit ifrs-full:CurrentPrepaymentsAndOtherCurrentAssets
77 Current investments - customer deposits Concept (Monetary) As Of Debit tsg:CustomerDepositsHeldInInvestmentSegregatedFromHoldingOperationalFunds
78 Accounts receivable Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
79 Income tax receivable Concept (Monetary) As Of Debit tsg:IncomeTaxReceivableCurrent
80 Derivatives Concept (Monetary) As Of Debit ifrs-full:CurrentDerivativeFinancialAssets
81 Total current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
82 Non-current assets Abstract ifrs-full:NoncurrentAssetsAbstract
83 Restricted cash advances and collateral Concept (Monetary) As Of Debit tsg:RestrictedCashAdvancesAndCollateralNonCurrent
84 Prepaid expenses and other non-current assets Concept (Monetary) As Of Debit tsg:PrepaidExpensesAndOtherNonCurrentAssets
85 Non-current accounts receivable Concept (Monetary) As Of Debit tsg:NonCurrentAccountsReceivable
86 Property and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
87 Income tax receivable Concept (Monetary) As Of Debit ifrs-full:CurrentTaxAssetsNoncurrent
88 Deferred income taxes Concept (Monetary) As Of Debit tsg:NonCurrentDeferredIncomeTaxAsset
89 Derivatives Concept (Monetary) As Of Debit ifrs-full:NoncurrentDerivativeFinancialAssets
90 Intangible assets Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
91 Goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
92 Total non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
93 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
94 LIABILITIES Abstract ifrs-full:LiabilitiesAbstract
95 Current liabilities Abstract ifrs-full:CurrentLiabilitiesAbstract
96 Accounts payable and other liabilities Concept (Monetary) As Of Credit tsg:AccountsPayableAndOtherLiabilities
97 Customer deposits Concept (Monetary) As Of Credit ifrs-full:CurrentDepositsFromCustomers
98 Current provisions Concept (Monetary) As Of Credit ifrs-full:CurrentProvisions
99 Derivatives Concept (Monetary) As Of Credit ifrs-full:CurrentDerivativeFinancialLiabilities
100 Income tax payable Concept (Monetary) As Of Credit tsg:IncomeTaxPayableCurrent
101 Current portion of long-term debt Concept (Monetary) As Of Credit ifrs-full:CurrentPortionOfLongtermBorrowings
102 Total current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
103 Non-current liabilities Abstract ifrs-full:NoncurrentLiabilitiesAbstract
104 Long-term debt Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
105 Long-term provisions Concept (Monetary) As Of Credit ifrs-full:NoncurrentProvisions
106 Derivatives Concept (Monetary) As Of Credit ifrs-full:NoncurrentDerivativeFinancialLiabilities
107 Other long-term liabilities Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentLiabilities
108 Income tax payable Concept (Monetary) As Of Credit tsg:IncomeTaxPayableNonCurrent
109 Deferred income taxes Concept (Monetary) As Of Credit tsg:NonCurrentDeferredIncomeTaxLiability
110 Total non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
111 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
112 EQUITY Abstract ifrs-full:EquityAbstract
113 Share capital Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
114 Reserves Concept (Monetary) As Of Credit ifrs-full:OtherReserves
115 Retained earnings Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
116 Equity attributable to the Shareholders of The Stars Group Inc. Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
117 Non-controlling interest Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
118 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
119 Total liabilities and equity Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
120 100070 - Statement - Consolidated Statement of Changes in Equity Network

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 http://www.starsgroup.com/20181231/taxonomy/role/StatementConsolidatedStatementOfChangesInEquity
121 Statement Of Changes In Equity [Table] Table

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 ifrs-full:StatementOfChangesInEquityTable
122 Reserves Axis ifrs-full:ComponentsOfEquityAxis
123 Equity [member] Member ifrs-full:EquityMember
124 Reserves Member tsg:ReservesMember
125 Retained Earnings Member ifrs-full:RetainedEarningsMember
126 Equity Attributable to the Shareholders of the Stars Group Inc. Member ifrs-full:EquityAttributableToOwnersOfParentMember
127 Non-controlling Interests Member ifrs-full:NoncontrollingInterestsMember
128 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
129 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
130 Common Shares Member ifrs-full:OrdinarySharesMember
131 Preferred Shares Member ifrs-full:PreferenceSharesMember
132 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
133 Currently stated [member] Member ifrs-full:RestatedMember
134 Accounting policy change (IFRS 9) Member ifrs-full:IncreaseDecreaseDueToChangesInAccountingPolicyAndCorrectionsOfPriorPeriodErrorsMember
135 Restated for IFRS 9 Member tsg:RevisedForIFRS9Member
136 Statement Of Changes In Equity [Line Items] LineItems ifrs-full:StatementOfChangesInEquityLineItems
137 Beginning balance Concept (Monetary) As Of Credit ifrs-full:Equity
138 Beginning balance, shares Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
139 Net (loss) earnings Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
140 Other comprehensive loss Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
141 Total comprehensive (loss) income Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
142 Issue of Common Shares in relation to stock options and equity awards Concept (Monetary) For Period Credit tsg:IssueOfCommonSharesInRelationToStockOptionsAndEquityAwards
143 Issue of Common Shares in relation to stock options and equity awards, shares Concept (Shares) For Period tsg:IssueOfCommonSharesInRelationToStockOptionsAndEquityAwardsNumberOfShares
144 Share cancellation Concept (Monetary) For Period Debit tsg:ShareCancellationAmount
145 Share cancellation, shares Concept (Shares) For Period tsg:ShareCancellationNumberOfShares
146 Conversion of Preferred Shares to Common Shares Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughConversionOfConvertibleInstruments
147 Conversion of Preferred Shares to Common Shares, shares Concept (Shares) For Period tsg:ConversionOfPreferredSharesToCommonSharesNumberOfShares
148 Issue of Common Shares in connection with acquired subsidiaries Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughAcquisitionOfSubsidiary
149 Issue of Common Shares in connection with acquired subsidiaries, shares Concept (Shares) For Period tsg:IssueOfCommonSharesInConnectionWithAcquiredSubsidiariesNumberOfShares
150 Issue of Common Shares in connection with Equity Offering Concept (Monetary) For Period Credit ifrs-full:IssueOfEquity
151 Issue of Common Shares in connection with Equity Offering, shares Concept (Shares) For Period tsg:IssueOfCommonSharesInConnectionWithEquityOfferingNumberOfShares
152 Issue of Common Shares in connection with market access agreement Concept (Monetary) For Period Credit tsg:IssueOfCommonSharesInConnectionWithMarketAccessAgreement
153 Issue of Common Shares in connection with market access agreement, shares Concept (Shares) For Period tsg:IssueOfCommonSharesInConnectionWithMarketAccessAgreementNumberOfShares
154 Issue of Common Shares in connection with exercised warrants Concept (Monetary) For Period Credit tsg:IssueOfCommonSharesInConnectionWithExercisedWarrants
155 Issue of Common Shares in connection with exercised warrants, shares Concept (Shares) For Period tsg:IssueOfCommonSharesInConnectionWithExercisedWarrantsNumberOfShares
156 Re-allocation from warrants reserves to share capital for exercised warrants Concept (Monetary) For Period Credit tsg:ReAllocationFromWarrantsReservesToShareCapitalForExercisedWarrants
157 Stock-based compensation Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
158 Deferred tax on stock-based compensation Concept (Monetary) For Period Credit tsg:DeferredTaxOnStockBasedCompensation
159 Reversal of deferred tax on stock-based compensation Concept (Monetary) For Period Debit tsg:ReversalOfDeferredTaxOnStockBasedCompensation
160 Equity fees Concept (Monetary) For Period Debit ifrs-full:ShareIssueRelatedCost
161 Reversal of 2014 deferred tax Concept (Monetary) For Period Debit tsg:ReversalOf2014DeferredTax
162 Acquisition of non-controlling interest Concept (Monetary) For Period Debit tsg:ChangesInNonControllingInterestThroughAcquisition
163 Ending balance Concept (Monetary) As Of Credit ifrs-full:Equity
164 Ending balance, shares Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
165 100080 - Statement - Consolidated Statement of Changes in Equity (Parenthetical) Network

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166 Implied Table Table

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167 Statement Of Changes In Equity [Abstract] Abstract ifrs-full:StatementOfChangesInEquityAbstract
168 Adjustment to amounts recognized in common stock Concept (Monetary) For Period Credit tsg:AdjustmentToCommonStock
169 100090 - Statement - Consolidated Statement of Cash Flow Network

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170 Implied Table Table

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171 Statement Of Cash Flows [Abstract] Abstract ifrs-full:StatementOfCashFlowsAbstract
172 Operating activities Abstract ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
173 Net (loss) earnings Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
174 Add (deduct): Abstract ifrs-full:AdjustmentsForReconcileProfitLossAbstract
175 Income tax (recovery) expense recognized in net earnings Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncomeTaxExpense
176 Net financing charges Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForFinanceCosts
177 Depreciation and amortization Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDepreciationAndAmortisationExpense
178 Stock-based compensation Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForSharebasedPayments
179 Acquisition of market access rights in connection with Eldorado Concept (Monetary) For Period Debit tsg:AcquisitionOfMarketAccessRights
180 Unrealized loss (gain) on foreign exchange Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForUnrealisedForeignExchangeLossesGains
181 Unrealized (gain) on investments Concept (Monetary) For Period Credit tsg:UnrealizedInvestmentGainLoss
182 Impairment (reversal of impairment) of property and equipment, intangible assets and assets held for sale Concept (Monetary) For Period Credit tsg:AdjustmentsForReversalImpairmentLossRecognisedInAssetsHeldForSale
183 Net (earnings) loss from associates Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
184 Realized loss (gain) on current investments and promissory note Concept (Monetary) For Period Debit tsg:RealizedLossGainOnCurrentInvestmentsPromissoryNote
185 Income taxes paid Concept (Monetary) For Period Credit ifrs-full:IncomeTaxesPaidClassifiedAsOperatingActivities
186 Changes in non-cash operating elements of working capital Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInWorkingCapital
187 Customer deposit liability movement Concept (Monetary) For Period Credit tsg:CustomerDepositLiabilityMovement
188 Other Concept (Monetary) For Period Debit ifrs-full:OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities
189 Net cash inflows from operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
190 Investing activities Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
191 Acquisition of subsidiaries, net of cash acquired Concept (Monetary) For Period Credit ifrs-full:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities
192 Additions to intangible assets Concept (Monetary) For Period Credit ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities
193 Additions to property and equipment Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
194 Additions to deferred development costs Concept (Monetary) For Period Credit tsg:AdditionsToDeferredDevelopmentCosts
195 Net sale of investments utilizing customer deposits Concept (Monetary) For Period Debit tsg:NetSaleOfInvestmentsFromCustomerDeposits
196 Cash movement from (to) restricted cash Concept (Monetary) For Period Debit tsg:CashMovementFromToRestrictedCash
197 Settlement of promissory note Concept (Monetary) For Period Debit tsg:SettlementOfPromissoryNote
198 Net investment in associates Concept (Monetary) For Period Credit ifrs-full:PurchaseOfInterestsInAssociates
199 Proceeds on disposal of interest in associate classified as held for sale Concept (Monetary) For Period Debit ifrs-full:ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations
200 Sale of investments Concept (Monetary) For Period Debit tsg:NetSalePurchaseOfInvestments
201 Settlement of minimum revenue guarantee Concept (Monetary) For Period Credit tsg:SettlementOfMinimumRevenueGuarantee
202 Other Concept (Monetary) For Period Debit ifrs-full:OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities
203 Net cash (outflows) inflows from investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
204 Financing activities Abstract ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
205 Issuance of Common Shares Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssueOfOrdinaryShares
206 Transaction costs on issuance of Common Shares Concept (Monetary) For Period Credit tsg:TransactionCostsOnIssuanceOfCommonShares
207 Issuance of Common Shares in relation to stock options Concept (Monetary) For Period Debit tsg:IssuanceOfCommonSharesInRelationToStockOptions
208 Redemption of SBG preferred shares Concept (Monetary) For Period Credit tsg:RedemptionOfSBGPreferredShares
209 Repayment of shareholder loan on acquisition Concept (Monetary) For Period Credit tsg:RepaymentOfShareholderLoanOnAcquisition
210 Issuance of long-term debt Concept (Monetary) For Period Debit ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
211 Transaction costs on long-term debt Concept (Monetary) For Period Debit tsg:TransactionCostsRelatedToIncreaseDecreaseInDebt
212 Repayment of long-term debt Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
213 Repayment of long-term debt assumed on business combination Concept (Monetary) For Period Credit tsg:RepaymentOfLongTermDebtAssumedOnBusinessCombination
214 Interest paid Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsFinancingActivities
215 Net proceeds on loan from non-controlling interest Concept (Monetary) For Period Debit tsg:ProceedsOnLoanFromNonControllingInterest
216 Payment of deferred consideration Concept (Monetary) For Period Credit tsg:PaymentOfDeferredConsideration
217 Settlement of derivatives Concept (Monetary) For Period Debit tsg:ProceedsFromSettlementOfDerivatives
218 Acquisition of further interest in subsidiaries Concept (Monetary) For Period Credit ifrs-full:PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod
219 Settlement of margin Concept (Monetary) For Period Credit tsg:PaymentForSettlementOfMargin
220 Capital contribution from non-controlling interest Concept (Monetary) For Period Debit ifrs-full:ProceedsFromContributionsOfNoncontrollingInterests
221 Net cash inflows (outflows) from financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
222 Increase in cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalents
223 Unrealized foreign exchange difference on cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
224 Cash and cash equivalents – beginning of period Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
225 Cash and cash equivalents - end of period Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
226 100100 - Disclosure - Nature of Business Network

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228 Nature Of Business [Abstract] Abstract tsg:NatureOfBusinessAbstract
229 Nature of Business Concept (Text Block (HTML)) For Period tsg:DisclosureOfNatureOfBusinessExplanatory
230 100110 - Disclosure - Summary of Significant Accounting Policies Network

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231 Implied Table Table

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232 Disclosure Of Summary Of Significant Accounting Policies [Abstract] Abstract tsg:DisclosureOfSummaryOfSignificantAccountingPoliciesAbstract
233 Summary of Significant Accounting Policies Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
234 100120 - Disclosure - Recent Accounting Pronouncements Network

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235 Implied Table Table

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236 Disclosure Recent Accounting Pronouncements [Abstract] Abstract tsg:DisclosureRecentAccountingPronouncementsAbstract
237 Recent Accounting Pronouncements Concept (Text Block (HTML)) For Period tsg:DisclosureRecentAccountingPronouncementsExplanatory
238 100130 - Disclosure - Adoption of New Accounting Standards Network

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239 Implied Table Table

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240 Disclosure Of Changes In Accounting Estimates [Abstract] Abstract ifrs-full:DisclosureOfChangesInAccountingEstimatesAbstract
241 Adoption of New Accounting Standards Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfNatureAndAmountOfChangeInAccountingEstimate
242 100140 - Disclosure - Acquisition of Subsidiaries Network

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243 Implied Table Table

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244 Disclosure Of Business Combinations [Abstract] Abstract ifrs-full:DisclosureOfBusinessCombinationsAbstract
245 Acquisition of Subsidiaries Concept (Text Block (HTML)) For Period tsg:DisclosureOfAcquisitionOfSubsidiariesExplanatory
246 100150 - Disclosure - Revenue Network

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247 Implied Table Table

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248 Revenue [Abstract] Abstract ifrs-full:RevenueAbstract
249 Revenue Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRevenueExplanatory
250 100160 - Disclosure - Segmental Information Network

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251 Implied Table Table

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252 Disclosure Of Operating Segments [Abstract] Abstract ifrs-full:DisclosureOfOperatingSegmentsAbstract
253 Segmental Information Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory
254 100170 - Disclosure - Expenses Classified By Nature Network

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256 Disclosure Of Expenses Classified By Nature [Abstract] Abstract tsg:DisclosureOfExpensesClassifiedByNatureAbstract
257 Expenses Classified By Nature Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfExpensesByNatureExplanatory
258 100180 - Disclosure - Income Taxes Network

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259 Implied Table Table

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260 Disclosure Of Income Taxes [Abstract] Abstract tsg:DisclosureOfIncomeTaxesAbstract
261 Income Taxes Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIncomeTaxExplanatory
262 100190 - Disclosure - Earnings Per Share Network

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263 Implied Table Table

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264 Earnings Per Share [Abstract] Abstract ifrs-full:EarningsPerShareAbstract
265 Earnings Per Share Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEarningsPerShareExplanatory
266 100200 - Disclosure - Goodwill and Intangible Assets Network

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267 Implied Table Table

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268 Disclosure Of Reconciliation Of Changes In Intangible Assets And Goodwill [Abstract] Abstract ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract
269 Goodwill and Intangible Assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIntangibleAssetsAndGoodwillExplanatory
270 100210 - Disclosure - Property and Equipment Network

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271 Implied Table Table

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272 Disclosure Of Property Plant And Equipment [Abstract] Abstract ifrs-full:DisclosureOfPropertyPlantAndEquipmentAbstract
273 Property and Equipment Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory
274 100220 - Disclosure - Investments Network

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275 Implied Table Table

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276 Disclosure Of Investments [Abstract] Abstract tsg:DisclosureOfInvestmentsAbstract
277 Investments Concept (Text Block (HTML)) For Period tsg:DisclosureOfInvestmentsExplanatory
278 100230 - Disclosure - Accounts Receivable Network

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279 Implied Table Table

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280 Trade And Other Current Receivables [Abstract] Abstract ifrs-full:TradeAndOtherCurrentReceivablesAbstract
281 Accounts Receivable Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory
282 100240 - Disclosure - Cash and Cash Equivalents, Restricted Cash Advances and Collateral Network

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283 Implied Table Table

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284 Restricted Cash Advances And Collateral [Abstract] Abstract tsg:RestrictedCashAdvancesAndCollateralAbstract
285 Cash and Cash Equivalents, Restricted Cash Advances and Collateral Concept (Text Block (HTML)) For Period tsg:DisclosureOfCashAndCashEquivalentsRestrictedCashAdvancesAndCollateralExplanatory
286 100250 - Disclosure - Prepaid Expenses and Other Assets Network

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287 Implied Table Table

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288 Prepaid Expenses And Other Assets [Abstract] Abstract tsg:PrepaidExpensesAndOtherAssetsAbstract
289 Prepaid Expenses and Other Assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfPrepaymentsAndOtherAssetsExplanatory
290 100260 - Disclosure - Long-Term Debt Network

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291 Implied Table Table

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292 Disclosure Of Long Term Debt [Abstract] Abstract tsg:DisclosureOfLongTermDebtAbstract
293 Long-Term Debt Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfLoansAndAdvancesToBanksExplanatory
294 100270 - Disclosure - Capital Management Network

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295 Implied Table Table

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296 Capital Management [Abstract] Abstract tsg:CapitalManagementAbstract
297 Capital Management Concept (Text Block (HTML)) For Period tsg:DisclosureOfCapitalManagementExplanatory
298 100280 - Disclosure - Derivative and Hedge Accounting Network

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299 Implied Table Table

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300 Disclosure Of Derivatives [Abstract] Abstract tsg:DisclosureOfDerivativesAbstract
301 Derivative and Hedge Accounting Concept (Text Block (HTML)) For Period tsg:DisclosureOfDerivativesExplanatory
302 100290 - Disclosure - Commitments Network

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303 Implied Table Table

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304 Disclosure Of Operating Lease [Abstract] Abstract tsg:DisclosureOfOperatingLeaseAbstract
305 Commitments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCommitmentsExplanatory
306 100300 - Disclosure - Accounts Payable And Other Liabilities Network

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307 Implied Table Table

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308 Disclosure Of Other Payables [Abstract] Abstract tsg:DisclosureOfOtherPayablesAbstract
309 Accounts Payable And Other Liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherLiabilitiesExplanatory
310 100310 - Disclosure - Provisions Network

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311 Implied Table Table

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312 Disclosure Of Other Provisions [Abstract] Abstract ifrs-full:DisclosureOfOtherProvisionsAbstract
313 Provisions Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfProvisionsExplanatory
314 100320 - Disclosure - Customer Deposits Network

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315 Implied Table Table

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316 Deposits From Customers [Abstract] Abstract ifrs-full:DepositsFromCustomersAbstract
317 Customer Deposits Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDepositsFromCustomersExplanatory
318 100330 - Disclosure - Share Capital Network

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319 Implied Table Table

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320 Disclosure Of Classes Of Share Capital [Abstract] Abstract ifrs-full:DisclosureOfClassesOfShareCapitalAbstract
321 Shares Capital Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIssuedCapitalExplanatory
322 100340 - Disclosure - Reserves Network

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323 Implied Table Table

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324 Disclosure Of Reserves Within Equity [Abstract] Abstract ifrs-full:DisclosureOfReservesWithinEquityAbstract
325 Reserves Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfReservesAndOtherEquityInterestExplanatory
326 100350 - Disclosure - Fair Value Network

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327 Implied Table Table

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328 Disclosure Of Fair Value Measurement Of Assets And Liabilities [Abstract] Abstract tsg:DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesAbstract
329 Fair Value Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFairValueMeasurementExplanatory
330 100360 - Disclosure - Statements of Cash Flows Network

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331 Implied Table Table

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332 Disclosure Of Cash Flow Statement [Abstract] Abstract tsg:DisclosureOfCashFlowStatementAbstract
333 Statements of Cash Flows Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCashFlowStatementExplanatory
334 100370 - Disclosure - Contingent Liabilities Network

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335 Implied Table Table

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336 Disclosure Of Contingent Liabilities [Abstract] Abstract ifrs-full:DisclosureOfContingentLiabilitiesAbstract
337 Contingent Liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfContingentLiabilitiesExplanatory
338 100380 - Disclosure - Financial Instruments Risk Management Network

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339 Implied Table Table

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340 Disclosure Of Financial Instruments [Abstract] Abstract ifrs-full:DisclosureOfFinancialInstrumentsAbstract
341 Financial Instruments Risk Management Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialRiskManagementExplanatory
342 100390 - Disclosure - Related Party Transactions Network

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343 Implied Table Table

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344 Disclosure Of Transactions Between Related Parties [Abstract] Abstract ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract
345 Related Party Transactions Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRelatedPartyExplanatory
346 100400 - Disclosure - Subsequent Events Network

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347 Implied Table Table

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348 Disclosure Of Nonadjusting Events After Reporting Period [Abstract] Abstract ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract
349 Subsequent Events Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEventsAfterReportingPeriodExplanatory
350 100410 - Disclosure - Summary of Significant Accounting Policies (Policies) Network

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351 Implied Table Table

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352 Disclosure Of Summary Of Significant Accounting Policies [Abstract] Abstract tsg:DisclosureOfSummaryOfSignificantAccountingPoliciesAbstract
353 Basis of Accounting Concept (Text Block (HTML)) For Period tsg:DescriptionOfAccountingPolicyForBasisOfAccountingExplanatory
354 Going Concern Concept (Text Block (HTML)) For Period tsg:DescriptionOfAccountingPolicyForGoingConcernExplanatory
355 Principles of Consolidation Concept (Text Block (HTML)) For Period tsg:DescriptionOfAccountingPolicyForPrinciplesOfConsolidationExplanatory
356 Revenue Recognition Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue
357 Financial Instruments Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory
358 Cash and Cash Equivalents Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForRestrictedCashAndCashEquivalentsExplanatory
359 Leases Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForLeasesExplanatory
360 Prepaid Expenses and Deposits Concept (Text Block (HTML)) For Period tsg:DescriptionOfAccountingPolicyForPrepaidExpensesAndDepositsExplanatory
361 Property and Equipment Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory
362 Intangible Assets Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIntangibleAssetsOtherThanGoodwillExplanatory
363 Goodwill Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForGoodwillExplanatory
364 Research and Development Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForResearchAndDevelopmentExpenseExplanatory
365 Investments Concept (Text Block (HTML)) For Period tsg:DescriptionOfAccountingPolicyForInvestmentsExplanatory
366 Investments in Associates Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForInvestmentInAssociates
367 Impairment of Non-Current Assets Concept (Text Block (HTML)) For Period tsg:DescriptionOfAccountingPolicyForImpairmentOfNonCurrentAssetsExplanatory
368 Taxation Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory
369 Share Based Payments Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory
370 Stock Options Concept (Text Block (HTML)) For Period tsg:DescriptionOfAccountingPolicyForStockOptionsTextBlock
371 Other Equity-Settled Share Based payments Concept (Text Block (HTML)) For Period tsg:DescriptionOfAccountingPolicyForOtherEquityBasedAwardsTextBlock
372 Dividend Equivalents Concept (Text Block (HTML)) For Period tsg:DescriptionOfAccountingPolicyForDividendEquivalentsTextBlock
373 Provisions Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForProvisionsExplanatory
374 Translation of Foreign Operations and Foreign Currency Transactions Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory
375 Business Combination Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory
376 Operating Segments Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForSegmentReportingExplanatory
377 Key Sources of Estimation Uncertainty Concept (Text Block (HTML)) For Period tsg:DescriptionOfAccountingPolicyForSourcesOfEstimationUncertaintyExplanatory
378 Critical Accounting Judgments Concept (Text Block (HTML)) For Period tsg:DescriptionOfAccountingPolicyForCriticalAccountingJudgmentsExplanatory
379 100420 - Disclosure - Summary of Significant Accounting Policies (Tables) Network

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380 Implied Table Table

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381 Disclosure Of Summary Of Significant Accounting Policies [Abstract] Abstract tsg:DisclosureOfSummaryOfSignificantAccountingPoliciesAbstract
382 Summary of Depreciation Rates and Estimated Useful Life of the Property and Equipment Concept (Text Block (HTML)) For Period tsg:DisclosureOfPropertyPlantAndEquipmentEstimatedUsefulLifeExplanatory
383 Summary of Estimated Useful Life of the Intangible Assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory
384 100430 - Disclosure - Adoption of New Accounting Standards (Tables) Network

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385 Implied Table Table

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386 Disclosure Of Initial Application Of Standards Or Interpretations [Abstract] Abstract ifrs-full:DisclosureOfInitialApplicationOfStandardsOrInterpretationsAbstract
387 Summary of Classification of Financial Assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialAssetsExplanatory
388 Summary of Measurement of Financial Instruments Concept (Text Block (HTML)) For Period tsg:DisclosureOfMeasurementOfFinancialInstrumentsExplanatory
389 100440 - Disclosure - Acquisition of Subsidiaries (Tables) Network

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390 Disclosure Of Business Combinations [Table] Table

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391 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
392 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
393 BetEasy Member tsg:BetEasyMember
394 TSGA Member tsg:TSGAMember
395 SBG Member tsg:SBGMember
396 Disclosure Of Business Combinations [Line Items] LineItems ifrs-full:DisclosureOfBusinessCombinationsLineItems
397 Summary of Amounts Recognized in Identifiable Assets Acquired and Liabilities Assumed Concept (Text Block (HTML)) For Period tsg:DisclosureOfSummaryOfAmountsRecognizedInIdentifiableAssetsAcquiredAndLiabilitiesAssumedExplanatory
398 Summary of Acquired Intangible by Assets Concept (Text Block (HTML)) For Period tsg:DisclosureOfAcquiredIntangibleByAssetsExplanatory
399 100450 - Disclosure - Revenue (Tables) Network

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400 Implied Table Table

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401 Revenue [Abstract] Abstract ifrs-full:RevenueAbstract
402 Schedule of Revenue Concept (Text Block (HTML)) For Period ifrs-full:InformationAboutRelationshipBetweenDisclosureOfDisaggregatedRevenueFromContractsWithCustomersAndRevenueInformationForReportableSegmentsExplanatory
403 100460 - Disclosure - Segmental Information (Tables) Network

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404 Implied Table Table

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405 Disclosure Of Operating Segments [Abstract] Abstract ifrs-full:DisclosureOfOperatingSegmentsAbstract
406 Summary of Segmental Net Earnings Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOperatingSegmentsExplanatory
407 Summary of Reconciliation of Adjusted EBITDA to Net Earnings (Loss) Concept (Text Block (HTML)) For Period tsg:DisclosureOfReconciliationOfAdjustedEarningsBeforeInterestTaxesDepreciationAndAmortizationToNetIncomeLossTableTextBlock
408 Summary of Distribution of Corporation's Assets by Reporting Segment Concept (Text Block (HTML)) For Period tsg:DisclosureOfDistributionOfCorporationsAssetsByReportingSegment
409 Summary of Segment by Geographic Region Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGeographicalAreasExplanatory
410 Summary of Segment by Customer Location Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSegmentsMajorCustomersExplanatory
411 100470 - Disclosure - Expenses Classified By Nature (Tables) Network

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412 Implied Table Table

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413 Disclosure Of Expenses Classified By Nature [Abstract] Abstract tsg:DisclosureOfExpensesClassifiedByNatureAbstract
414 Expenses Classified By Nature Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfExpensesExplanatory
415 100480 - Disclosure - Income Taxes (Tables) Network

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416 Implied Table Table

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417 Disclosure Of Income Tax Expense [Abstract] Abstract tsg:DisclosureOfIncomeTaxExpenseAbstract
418 Summary of Income Tax Expense Concept (Text Block (HTML)) For Period tsg:DisclosureOfSummaryOfIncomeTaxExpenseExplanatory
419 Summary of Effective Income Tax Rate Reconciliation Concept (Text Block (HTML)) For Period tsg:DisclosureOfEffectiveIncomeTaxRateReconciliationExplanatory
420 Schedule of Significant Components of the Corporation's Deferred Income Tax Asset Balance Concept (Text Block (HTML)) For Period tsg:DisclosureOfComponentsOfDeferredIncomeTaxAssetExplanatory
421 Schedule of Significant Components of the Corporation's Deferred Income Tax Liability Balance Concept (Text Block (HTML)) For Period tsg:DisclosureOfComponentsOfDeferredIncomeTaxLiabilitiesExplanatory
422 Schedule of Gross Temporary Differences Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory
423 100490 - Disclosure - Earnings Per Share (Tables) Network

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424 Implied Table Table

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425 Earnings Per Share [Abstract] Abstract ifrs-full:EarningsPerShareAbstract
426 Schedule of Computation of Basic and Diluted Earnings Per Share Concept (Text Block (HTML)) For Period ifrs-full:EarningsPerShareExplanatory
427 100500 - Disclosure - Goodwill and Intangible Assets (Tables) Network

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428 Implied Table Table

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429 Disclosure Of Reconciliation Of Changes In Intangible Assets And Goodwill [Abstract] Abstract ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract
430 Schedule of Goodwill and Intangible Assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory
431 Summary of Impairment Test Operations for CGU Concept (Text Block (HTML)) For Period ifrs-full:ExplanationOfImpairmentLossRecognisedOrReversedByClassOfAssetsAndByReportableSegment
432 Summary of Cash Flow Forecasts Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory
433 100510 - Disclosure - Property and Equipment (Tables) Network

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434 Implied Table Table

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435 Disclosure Of Property Plant And Equipment [Abstract] Abstract ifrs-full:DisclosureOfPropertyPlantAndEquipmentAbstract
436 Summary of Property and Equipment Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory
437 100520 - Disclosure - Investments (Tables) Network

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438 Implied Table Table

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439 Disclosure Of Investments [Abstract] Abstract tsg:DisclosureOfInvestmentsAbstract
440 Summary of Investments Held by Corporate Concept (Text Block (HTML)) For Period tsg:DisclosureOfDetailedInformationAboutInvestmentsHeldByCorporationExplanatory
441 Disclosure of Corporations Investments Held by Maturity Date Concept (Text Block (HTML)) For Period tsg:DisclosureOfCorporationsInvestmentsHeldByMaturityDate
442 Summary of Recognized Gains (Losses) From Current Investments Concept (Text Block (HTML)) For Period tsg:DisclosureOfDetailedInformationAboutRecognizedGainOrLossFromInvestmentsExplanatory
443 Schedule Significant Subsidiaries of Corporation Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory
444 100530 - Disclosure - Accounts Receivable (Tables) Network

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445 Implied Table Table

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446 Trade And Other Current Receivables [Abstract] Abstract ifrs-full:TradeAndOtherCurrentReceivablesAbstract
447 Schedule of Accounts Receivable Concept (Text Block (HTML)) For Period tsg:DisclosureOfAccountsReceivablesCurrentExplanatory
448 100540 - Disclosure - Cash and Cash Equivalents, Restricted Cash Advances and Collateral (Tables) Network

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449 Implied Table Table

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450 Restricted Cash Advances And Collateral [Abstract] Abstract tsg:RestrictedCashAdvancesAndCollateralAbstract
451 Schedule Of Restricted Cash Advances and Collateral Explanatory Concept (Text Block (HTML)) For Period tsg:ScheduleOfRestrictedCashAdvancesAndCollateralExplanatory
452 100550 - Disclosure - Prepaid Expenses and Other Assets (Tables) Network

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453 Implied Table Table

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454 Prepaid Expenses And Other Assets [Abstract] Abstract tsg:PrepaidExpensesAndOtherAssetsAbstract
455 Components of Prepaid Expenses and Other Assets Concept (Text Block (HTML)) For Period tsg:ScheduleOfPrepaidExpensesAndOtherAssetsExplanatory
456 100560 - Disclosure - Long-Term Debt (Tables) Network

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457 Implied Table Table

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458 Disclosure Of Long Term Debt [Abstract] Abstract tsg:DisclosureOfLongTermDebtAbstract
459 Disclosure of Principal and Carrying Amount of Long-Term Debt Outstanding Concept (Text Block (HTML)) For Period tsg:DisclosureOfPrincipalAndCarryingAmountOfLongTermDebtOutstandingExplanatory
460 Disclosure of Interest Outstanding on the Long Term Debt Concept (Text Block (HTML)) For Period tsg:DisclosureOfInterestOutstandingOnLongTermDebtExplanatory
461 Disclosure of the Movement of the Corporation's Long-Term Debt Balance Concept (Text Block (HTML)) For Period tsg:DisclosureOfMovementOfCorporationSLongTermDebtBalanceExplanatory
462 Disclosure of Schedule of Principle Repayments of Long-Term Debt Over the Next Five Years Concept (Text Block (HTML)) For Period tsg:DisclosureOfScheduleOfPrincipleRepaymentsOfLongTermDebtOverNextFiveYearsExplanatory
463 100570 - Disclosure - Derivative and Hedge Accounting (Tables) Network

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464 Implied Table Table

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465 Disclosure Of Derivatives [Abstract] Abstract tsg:DisclosureOfDerivativesAbstract
466 Summary of Fair Value of Derivatives Concept (Text Block (HTML)) For Period tsg:DisclosureOfFairValueOfDerivativesExplanatory
467 Summary of Effects of Cash flow Hedges and Net Investment Hedges Concept (Text Block (HTML)) For Period tsg:DisclosureOfEffectsOfCashFlowHedgesAndNetInvestmentHedgesExplanatory
468 Summary of Reconciliation of Accumulated Other Comprehensive Income Concept (Text Block (HTML)) For Period tsg:DisclosureOfReconciliationOfAccumulatedOtherComprehensiveIncomeLossExplanatory
469 100580 - Disclosure - Commitments (Tables) Network

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470 Implied Table Table

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471 Disclosure Of Operating Lease [Abstract] Abstract tsg:DisclosureOfOperatingLeaseAbstract
472 Schedule Future Minimum Lease Payments Under Non-cancellable Operating Leases Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeExplanatory
473 Schedule Future Minimum Lease Receipts Under Non-cancellable Operating Leases Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLessorExplanatory
474 100590 - Disclosure - Accounts Payable And Other Liabilities (Tables) Network

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475 Implied Table Table

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476 Disclosure Of Other Payables [Abstract] Abstract tsg:DisclosureOfOtherPayablesAbstract
477 Schedule of Accounts Payable and other liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherCurrentLiabilitiesExplanatory
478 100600 - Disclosure - Provisions (Tables) Network

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479 Implied Table Table

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480 Disclosure Of Other Provisions [Abstract] Abstract ifrs-full:DisclosureOfOtherProvisionsAbstract
481 Carrying Amounts and Movements in Provisions Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherProvisionsExplanatory
482 100610 - Disclosure - Customer Deposits (Tables) Network

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483 Implied Table Table

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484 Deposits From Customers [Abstract] Abstract ifrs-full:DepositsFromCustomersAbstract
485 Summary of Customer Deposits Segregation Concept (Text Block (HTML)) For Period tsg:DisclosureOfCustomerDepositsClassificationExplanatory
486 100620 - Disclosure - Share Capital (Tables) Network

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487 Implied Table Table

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488 Disclosure Of Classes Of Share Capital [Abstract] Abstract ifrs-full:DisclosureOfClassesOfShareCapitalAbstract
489 Summary of Share Capital Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfClassesOfShareCapitalExplanatory
490 100630 - Disclosure - Reserves (Tables) Network

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491 Disclosure Of Reserves Within Equity [Table] Table

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492 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
493 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
494 RSUs Member tsg:RestrictedShareUnitsMember
495 PSUs and Bonus PSUs Member tsg:PerformanceShareUnitsAndBonusPerformanceShareUnitsMember
496 DSUs Member tsg:DeferredShareUnitsMember
497 Reserves Axis ifrs-full:ComponentsOfEquityAxis
498 Equity [member] Member ifrs-full:EquityMember
499 Warrants Member tsg:WarrantsMember
500 Disclosure Of Reserves Within Equity [Line Items] LineItems ifrs-full:DisclosureOfReservesWithinEquityLineItems
501 Summary of Class of Reserves Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory
502 Schedule of Outstanding Stock Options Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory
503 Summary of Exercisable Options Per Stock Option Concept (Text Block (HTML)) For Period tsg:ScheduleOfShareBasedCompensationSharesOutstandingUnderStockOptionPlansByExercisePriceRangeExplanatory
504 Summary of Weighted-Average Assumption for Stock Option Grants Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory
505 Schedule of Outstanding Other Equity Instruments Issued Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory
506 100640 - Disclosure - Fair Value (Tables) Network

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507 Implied Table Table

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508 Disclosure Of Fair Value Measurement Of Assets And Liabilities [Abstract] Abstract tsg:DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesAbstract
509 Summary of Fair Values of Financial Assets and Liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFairValueOfFinancialInstrumentsExplanatory
510 Summary of Fair Value of Other Financial Assets and Liabilities Measured at Amortized Cost Concept (Text Block (HTML)) For Period tsg:DisclosureOfFairValueOfOtherFinancialAssetsAndLiabilitiesMeasuredAtAmortizedCostExplanatory
511 Schedule of Reconciliation of Level 3 Fair Values Concept (Text Block (HTML)) For Period tsg:DisclosureOfReconciliationFromOpeningBalancesToClosingBalancesForLevel3FairValuesExplanatory
512 100650 - Disclosure - Statements of Cash Flows (Tables) Network

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513 Implied Table Table

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514 Disclosure Of Cash Flow Statement [Abstract] Abstract tsg:DisclosureOfCashFlowStatementAbstract
515 Schedule of Changes in Non Cash Operating Working Capital Concept (Text Block (HTML)) For Period tsg:DisclosureOfChangesInNonCashOperatingWorkingCapitalExplanatory
516 Schedule of Changes in Liabilities Arising from Financing Activities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory
517 100660 - Disclosure - Financial Instruments Risk Management (Tables) Network

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518 Implied Table Table

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519 Disclosure Of Financial Instruments [Abstract] Abstract ifrs-full:DisclosureOfFinancialInstrumentsAbstract
520 Schedule of Foreign Exchange Currency Exposure of Financial Instruments by Currency Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory
521 Schedule of Effect on Earnings Before Tax of Exchange Rate Concept (Text Block (HTML)) For Period tsg:ScheduleOfEffectOnEarningsBeforeTaxOfUnitedStatesDollarExchangeRateAtBalanceSheetDateExplanatory
522 Schedule of Age of Receivables Concept (Text Block (HTML)) For Period ifrs-full:AnalysisOfAgeOfFinancialAssetsThatArePastDueButNotImpaired
523 Schedule of Age of Impaired Trade Receivables Concept (Text Block (HTML)) For Period ifrs-full:AnalysisOfFinancialAssetsThatAreIndividuallyDeterminedToBeImpaired
524 Schedule of Information about Terms of Financial Obligations and Liabilities Concept (Text Block (HTML)) For Period tsg:ScheduleOfInformationAboutTermsOfFinancialObligationsAndLiabilitiesExplanatory
525 100670 - Disclosure - Related Party Transactions (Tables) Network

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526 Implied Table Table

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527 Disclosure Of Transactions Between Related Parties [Abstract] Abstract ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract
528 Summary of Compensation to Key Management Members Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory
529 100680 - Disclosure - Nature of Business - Additional Information (Details) Network

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530 Nature Of Business [Table] Table

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533 Stars Interactive Group Member tsg:StarsInteractiveGroupMember
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535 TSGA Member tsg:TSGAMember
536 Australian Acquisition Member tsg:AustralianAcquisitionMember
537 Nature Of Business [Line Items] LineItems tsg:NatureOfBusinessLineItems
538 Number of reportable segment Concept (Integer) For Period tsg:NumberOfReportableSegment
539 Number of major lines of operations Concept (Decimal) For Period tsg:NumberOfLinesOfOperations
540 Date of acquisition Concept (Text/String) For Period tsg:DateOfAcquisition
541 Percentage of equity interests acquired Concept (Percent) As Of ifrs-full:PercentageOfVotingEquityInterestsAcquired
542 Date of incorporation Concept (Date) For Period dei:EntityIncorporationDateOfIncorporation
543 100690 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Details) Network

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554 BetEasy Member tsg:BetEasyMember
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557 Technology [Member] Member us-gaap:TechnologyBasedIntangibleAssetsMember
558 Brands Member ifrs-full:BrandNamesMember
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560 Gaming Duty Concept (Monetary) For Period Debit ifrs-full:ServicesExpense
561 Processor cost Concept (Monetary) For Period Debit ifrs-full:GeneralAndAdministrativeExpense
562 Royalties Concept (Monetary) For Period Debit ifrs-full:RoyaltyExpense
563 Affiliates cost Concept (Monetary) For Period Debit tsg:AffiliatesCost
564 Foreign exchange loss Concept (Monetary) For Period Debit ifrs-full:NetForeignExchangeLoss
565 Bank charges Concept (Monetary) For Period Debit ifrs-full:BankAndSimilarCharges
566 Gain on investment in equity instruments Concept (Monetary) For Period Credit ifrs-full:GainsOnDisposalsOfInvestments
567 Investment income Concept (Monetary) For Period Credit ifrs-full:InvestmentIncome
568 Prepaid expenses and deposits current Concept (Monetary) As Of Debit tsg:PrepaidExpensesAndDepositsCurrent
569 Current inventories Concept (Monetary) As Of Debit ifrs-full:Inventories
570 Prepaid expenses and deposits Concept (Monetary) As Of Debit tsg:PrepaidExpensesAndDeposits
571 Long term investments Concept (Monetary) As Of Debit ifrs-full:InvestmentProperty
572 Investment tax credits receivable Concept (Monetary) As Of Debit tsg:InvestmentTaxCreditsReceivable
573 Accounts payable and accrued liabilities Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
574 Other payables Concept (Monetary) As Of Credit ifrs-full:OtherCurrentPayables
575 Impairment loss, recognized Concept (Monetary) For Period Debit ifrs-full:ImpairmentLoss
576 Number of equity based award plans Concept (Integer) As Of tsg:NumberOfEquityBasedAwardPlan
577 Description of vesting requirements for share-based payment arrangement Concept (Text/String) For Period ifrs-full:DescriptionOfVestingRequirementsForSharebasedPaymentArrangement
578 Vesting period Concept (xbrli:durationItemType) For Period tsg:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod
579 Performance period Concept (xbrli:durationItemType) For Period tsg:PerformancePeriod
580 Maximum eligible percentage for additional PSUs of PSUs granted subject to conditions Concept (Percent) For Period tsg:MaximumEligiblePercentageForAdditionalPerformanceShareUnitsOfPerformanceShareUnitsGrantedSubjectToConditions
581 Description of criteria for presents separate information on an operating segment Concept (Text/String) For Period ifrs-full:DescriptionOfJudgementsMadeByManagementInApplyingAggregationCriteriaForOperatingSegments
582 Percentage of equity interests acquired Concept (Percent) As Of ifrs-full:PercentageOfVotingEquityInterestsAcquired
583 Payment to accrue business Concept (Monetary) For Period Debit tsg:PaymentToAcquireInterest
584 Deferred contingent payment period credit risk Concept (Percent) For Period tsg:ContingentPaymentPeriodCreditRisk
585 Volatility rate Concept (Percent) For Period tsg:CounterPartyVolatilityRate
586 Discount rates Concept (Percent) As Of tsg:DiscountRateToDetermineFairValue
587 Attrition rates Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfDiscountRates
588 Useful lives for amortisation of intangible assets Concept (Text/String) For Period ifrs-full:UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwill
589 Royalty rate Concept (Percent) For Period tsg:RoyaltyRate
590 Implied credit spread Concept (Percent) As Of tsg:EstimatedImpliedSpreadUsedInDeterminingFairValueOfEmbeddedDerivative
591 100700 - Disclosure - Summary of Significant Accounting Policies - Summary of Depreciation Rates and Estimated Useful Life of the Property and Equipment (Details) Network

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592 Disclosure Of Summary Of Significant Accounting Policies [Table] Table

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593 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
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595 Furniture and Fixtures Member ifrs-full:FixturesAndFittingsMember
596 Computer Equipment Member ifrs-full:ComputerEquipmentMember
597 Building Member ifrs-full:BuildingsMember
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599 Depreciation method Concept (Text/String) For Period ifrs-full:DepreciationMethodPropertyPlantAndEquipment
600 Depreciation percentage or useful lives Concept (Text/String) For Period ifrs-full:UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment
601 100710 - Disclosure - Summary of Significant Accounting Policies - Summary of Estimated Useful Life of the Intangible Assets (Details) Network

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602 Disclosure Of Summary Of Significant Accounting Policies [Table] Table

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603 Classes of intangible assets other than goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
604 Intangible assets other than goodwill [member] Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
605 Software Technology (Including Deferred Development Costs) Member tsg:SoftwareTechnologyDeferredDevelopmentCostsMember
606 Software Technology (Defensive Intangible Asset) Member tsg:SoftwareTechnologyDefensiveIntangibleAssetMember
607 Customer Relationships Member ifrs-full:CustomerrelatedIntangibleAssetsMember
608 Brands (Licensed) Member ifrs-full:LicencesMember
609 Brands Member ifrs-full:BrandNamesMember
610 Other Intangibles Member ifrs-full:OtherIntangibleAssetsMember
611 Disclosure Of Summary Of Significant Accounting Policies [Line Items] LineItems tsg:DisclosureOfSummaryOfSignificantAccountingPoliciesLineItems
612 Amortisation method of intangible assets Concept (Text/String) For Period ifrs-full:AmortisationMethodIntangibleAssetsOtherThanGoodwill
613 Useful lives for amortisation of intangible assets Concept (Text/String) For Period ifrs-full:UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwill
614 100720 - Disclosure - Recent Accounting Pronouncements - Additional Information (Details) Network

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615 Disclosure Of Changes In Accounting Estimates [Table] Table

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617 Ranges [member] Member ifrs-full:RangesMember
618 Minimum Member ifrs-full:BottomOfRangeMember
619 Maximum Member ifrs-full:TopOfRangeMember
620 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
621 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
622 Subsequent Event Member tsg:SubsequentEventsMember
623 Disclosure Of Changes In Accounting Estimates [Line Items] LineItems ifrs-full:DisclosureOfChangesInAccountingEstimatesLineItems
624 Right-of-use asset Concept (Monetary) As Of Debit ifrs-full:RightofuseAssets
625 Lease liability Concept (Monetary) As Of Credit ifrs-full:LeaseLiabilities
626 Rental expense Concept (Monetary) For Period Debit ifrs-full:RentalExpense
627 Depreciation expense Concept (Monetary) For Period Debit ifrs-full:DepreciationExpense
628 Processor cost Concept (Monetary) For Period Debit ifrs-full:GeneralAndAdministrativeExpense
629 100730 - Disclosure - Adoption of New Accounting Standards - Classification of Financial Assets To Appropriate IFRS 9 (Details) Network

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630 Description Of Expected Impact Of Initial Application Of New Standards Or Interpretations [Table] Table

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631 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
632 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
633 Available-for-sale Member ifrs-full:FinancialAssetsAvailableforsaleCategoryMember
634 FVTPL Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
635 FVOCI Member ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember
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637 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
638 Bonds Member tsg:BondMember
639 Funds Member tsg:FundsMember
640 Equity in Unquoted Companies Member tsg:EquityInUnquotedCompaniesMember
641 Equity in Quoted Companies Member tsg:EquityInQuotedCompaniesMember
642 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
643 Currently stated [member] Member ifrs-full:RestatedMember
644 IFRS 9 Member tsg:RevisedForIFRS9Member
645 Description Of Expected Impact Of Initial Application Of New Standards Or Interpretations [Line Items] LineItems ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsLineItems
646 Financial assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
647 100740 - Disclosure - Adoption of New Accounting Standards - Measurement Impact on Financial Instruments (Details) Network

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648 Description Of Expected Impact Of Initial Application Of New Standards Or Interpretations [Table] Table

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650 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
651 Bonds Member tsg:BondMember
652 Funds Member tsg:FundsMember
653 Equity in Unquoted Companies Member tsg:EquityInUnquotedCompaniesMember
654 Equity in Quoted Companies Member tsg:EquityInQuotedCompaniesMember
655 Trade receivables [member] Member ifrs-full:TradeReceivablesMember
656 Cash and Restricted Cash Member tsg:CashAndRestrictedCashMember
657 Long-term Debt Member ifrs-full:LongtermBorrowingsMember
658 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
659 Currently stated [member] Member ifrs-full:RestatedMember
660 IAS 39 Member tsg:IAS39Member
661 IFRS 9 Member tsg:RevisedForIFRS9Member
662 Reserves Axis ifrs-full:ComponentsOfEquityAxis
663 Equity [member] Member ifrs-full:EquityMember
664 Adjustment to Opening Retained Earnings Member ifrs-full:RetainedEarningsMember
665 Description Of Expected Impact Of Initial Application Of New Standards Or Interpretations [Line Items] LineItems ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsLineItems
666 Measurement Category Concept (Text/String) For Period tsg:MeasurementCategoryOfFinancialInstruments
667 Carrying amount Concept (Monetary) For Period Debit tsg:CarryingAmountOfFinancialInstruments
668 100750 - Disclosure - Acquisition of Subsidiaries - Additional Information (Details) Network

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669 Disclosure Of Business Combinations [Table] Table

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670 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
671 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
672 BetEasy Member tsg:BetEasyMember
673 TSGA Member tsg:TSGAMember
674 SBG Member tsg:SBGMember
675 Other Member tsg:OtherMember
676 Continuing involvement in derecognised financial assets by type of instrument [axis] Axis ifrs-full:ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis
677 Types of instrument [member] Member ifrs-full:TypesOfInstrumentMember
678 Put Option Deed Member ifrs-full:WrittenPutOptionsMember
679 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
680 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
681 Subsequent Event Member ifrs-full:MajorBusinessCombinationMember
682 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
683 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
684 Put-call option Member ifrs-full:OptionContractMember
685 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
686 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
687 Other Temporary Differences Member ifrs-full:OtherTemporaryDifferencesMember
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689 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
690 Cross-currency Swap and Interest Rate Swap Member tsg:CrossCurrencySwapAndInterestRateSwapMember
691 Marketing, Technology and IT Contracts Member tsg:MarketingTechnologyAndITContractsMember
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699 Put option value derecognized in general and administrative Concept (Monetary) For Period Debit tsg:PutOptionDerecognizedAsExpense
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701 Cash consideration Concept (Monetary) As Of Credit ifrs-full:CashTransferred
702 Newly issued common shares consideration Concept (Monetary) As Of Credit ifrs-full:EquityInterestsOfAcquirer
703 Deferred contingent payment Concept (Monetary) As Of Debit ifrs-full:ContingentConsiderationArrangementsAndIndemnificationAssetsRecognisedAsOfAcquisitionDate
704 Fair value of this non-controlling interest Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterestInAcquireeRecognisedAtAcquisitionDate
705 Fair value of acquired receivables Concept (Monetary) As Of Debit ifrs-full:FairValueOfAcquiredReceivables
706 Gross contractual value Concept (Monetary) As Of Debit ifrs-full:GrossContractualAmountsReceivableForAcquiredReceivables
707 Best estimate at the acquisition date of the contractual cash flows not to be collected Concept (Monetary) As Of Debit ifrs-full:BestEstimateAtAcquisitionDateOfContractualCashFlowsNotExpectedToBeCollectedForAcquiredReceivables
708 Amount recognized as deferred tax liability Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilitiesRecognisedAsOfAcquisitionDate
709 deferred tax liability related to acquired intangible assets Concept (Monetary) For Period Credit ifrs-full:SubsequentRecognitionOfDeferredTaxAssetsGoodwill
710 Amount recognized as deferred tax asset Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssetsRecognisedAsOfAcquisitionDate
711 Acquisition related costs Concept (Monetary) For Period Debit tsg:AcquisitionRelatedCosts
712 Reduction of amounts recognized as non-controling interest Concept (Monetary) For Period Credit tsg:ReductionOfAmountsRecognizedAsNonControlingInterest
713 Contribution of revenue related to acquisition Concept (Monetary) For Period Credit tsg:ContributionOfRevenueRelatedToAcquisition
714 Contribution of loss related to acquisition Concept (Monetary) For Period Debit tsg:ContributionOfLossRelatedToAcquisition
715 Long-term debt Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
716 Shareholders loans payable Concept (Monetary) As Of Credit tsg:ShareholdersLoansPayable
717 Preferred shares Concept (Monetary) As Of Credit tsg:PreferredSharesValue
718 Aggregate fair value Concept (Monetary) For Period Credit tsg:AggregateFairValue
719 Settlement for cash payment Concept (Monetary) For Period Debit tsg:SettlementForCashPayment
720 Amount recognized as deferred tax liability Concept (Monetary) As Of Credit tsg:GrossDeferredTaxLiabilitiesRecognisedAsOfAcquisitionDate
721 Future financial commitments Concept (Monetary) For Period Credit tsg:FutureFinancialCommitments
722 Number of Subsidiaries Concept (Text/String) For Period tsg:NumberOfSubsidiaries
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724 Outstanding deferred consideration Concept (Monetary) As Of Credit tsg:OutstandingDeferredConsideration
725 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
726 Net (loss) earnings Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
727 100760 - Disclosure - Acquisition of Subsidiaries - Summary of Amounts Recognized in Identifiable Assets Acquired and Liabilities Assumed (Details) Network

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728 Disclosure Of Business Combinations [Table] Table

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730 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
731 BetEasy Member tsg:BetEasyMember
732 TSGA Member tsg:TSGAMember
733 SBG Member tsg:SBGMember
734 Disclosure Of Business Combinations [Line Items] LineItems ifrs-full:DisclosureOfBusinessCombinationsLineItems
735 Financial assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsRecognisedAsOfAcquisitionDate
736 Property and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate
737 Identifiable intangible assets (note 11) Concept (Monetary) As Of Debit ifrs-full:IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate
738 Financial liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesRecognisedAsOfAcquisitionDate
739 Deferred tax liability Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilitiesRecognisedAsOfAcquisitionDate
740 Total identifiable assets Concept (Monetary) As Of Debit ifrs-full:IdentifiableAssetsAcquiredLiabilitiesAssumed
741 Fair value of this non-controlling interest Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterestInAcquireeRecognisedAtAcquisitionDate
742 Goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
743 Total consideration Concept (Monetary) As Of Credit ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred
744 Satisfied by: Abstract tsg:ConsiderationSatisfiedByAbstract
745 Non-cash consideration: Abstract tsg:NonCashConsiderationAbstract
746 Common Shares Issued Concept (Monetary) As Of Debit tsg:CommonSharesIssuedRecognisedAsNonCashConsiderationAsOfAcquisitionDate
747 Cash consideration: Abstract ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract
748 Cash Concept (Monetary) As Of Debit tsg:CashRecognizedAsOfAcquisitionDate
749 Less: Cash and cash equivalent balances acquired Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsRecognisedAsOfAcquisitionDate
750 Net cash outflow arising on acquisition Concept (Monetary) As Of Debit tsg:NetCashOutflowArisingOnAcquisition
751 Total consideration, net of cash acquired Concept (Monetary) As Of Debit tsg:AcquisitionDateFairValueOfTotalConsiderationNetOfCashAcquired
752 Cash Concept (Monetary) As Of Debit tsg:CashRecognizedAsOfAcquisitionDate
753 Less: Cash and cash equivalent balances acquired Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsRecognisedAsOfAcquisitionDate
754 Net cash outflow arising on acquisition Concept (Monetary) As Of Debit tsg:NetCashOutflowArisingOnAcquisition
755 Other financial liabilities Concept (Monetary) As Of Credit tsg:OtherFinancialLiabilitiesRecognizedAsOfAcquisitionDate
756 Derivatives Concept (Monetary) As Of Credit tsg:DerivativeLiabilitiesRecognizedAsOfAcquisitionDate
757 Shareholder loans Concept (Monetary) As Of Credit tsg:ShareholderLoanRecognisedAsOfAcquisitionDate
758 Long-term debt Concept (Monetary) As Of Credit ifrs-full:BorrowingsRecognisedAsOfAcquisitionDate
759 Preferred shares Concept (Monetary) As Of Credit tsg:PreferredSharesRecognisedAsOfAcquisitionDate
760 Other non-current liabilities Concept (Monetary) As Of Credit tsg:OtherNonCurrentLiabilitiesRecognisedAsOfAcquisitionDate
761 100780 - Disclosure - Acquisition of Subsidiaries - Summary of Acquired Intangible by Assets (Details) Network

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762 Disclosure Of Business Combinations [Table] Table

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763 Classes of intangible assets other than goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
764 Intangible assets other than goodwill [member] Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
765 Software Technology Acquired Through Business Combinations Member tsg:SoftwareTechnologyAcquiredThroughBusinessCombinationsMember
766 Other Intangibles Member ifrs-full:OtherIntangibleAssetsMember
767 Customer Relationships Member tsg:CustomerRelationshipMember
768 Brands Member tsg:BrandsMember
769 Brands (Licensed) Member ifrs-full:LicencesMember
770 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
771 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
772 BetEasy Member tsg:BetEasyMember
773 TSGA Member tsg:TSGAMember
774 SBG Member tsg:SBGMember
775 Disclosure Of Business Combinations [Line Items] LineItems ifrs-full:DisclosureOfBusinessCombinationsLineItems
776 Acquired intangibles by asset Concept (Monetary) As Of Debit ifrs-full:IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate
777 100790 - Disclosure - Revenue - Schedule of Revenue (Details) Network

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778 Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Table] Table

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779 Products and services [axis] Axis ifrs-full:ProductsAndServicesAxis
780 Products and services [member] Member ifrs-full:ProductsAndServicesMember
781 Poker Member tsg:PokerMember
782 Gaming Member tsg:GamingMember
783 Other Member tsg:OtherMember
784 Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items] LineItems ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems
785 Revenue from customers in scope of IFRS 15 Concept (Monetary) For Period Credit ifrs-full:RevenueFromContractsWithCustomers
786 Betting revenue Concept (Monetary) For Period Credit tsg:BettingRevenue
787 Other sources of revenue Concept (Monetary) For Period Credit ifrs-full:OtherRevenue
788 Total revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
789 100800 - Disclosure - Revenue - Additional Information (Details) Network

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790 Implied Table Table

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791 Revenue [Abstract] Abstract ifrs-full:RevenueAbstract
792 Contract assets Concept (Monetary) As Of Debit ifrs-full:ContractAssets
793 Contract liabilities Concept (Monetary) As Of Credit ifrs-full:ContractLiabilities
794 Unsatisfied Performance Obligation Concept (Monetary) As Of Credit tsg:UnsatisfiedPerformanceObligation
795 100810 - Disclosure - Segmental Information - Additional Information (Details) Network

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*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureSegmentalInformationAdditionalInformationDetails
796 Disclosure Of Operating Segments [Table] Table

*

*

 ifrs-full:DisclosureOfOperatingSegmentsTable
797 Range [axis] Axis ifrs-full:RangeAxis
798 Ranges [member] Member ifrs-full:RangesMember
799 Minimum Member ifrs-full:BottomOfRangeMember
800 Maximum Member ifrs-full:TopOfRangeMember
801 Disclosure Of Operating Segments [Line Items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
802 Percentage consolidated revenue generated Concept (Percent) For Period ifrs-full:PercentageOfEntitysRevenue
803 100810 - Disclosure - Segmental Information - Additional Information (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureSegmentalInformationAdditionalInformationDetails
804 Implied Table Table

*

*

 implied:Table
805 Disclosure Of Operating Segments [Abstract] Abstract ifrs-full:DisclosureOfOperatingSegmentsAbstract
806 Number of reportable segment Concept (Integer) For Period tsg:NumberOfReportableSegment
807 100820 - Disclosure - Segmental Information - Summary of Segmental Net Earnings (Details) Network

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*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureSegmentalInformationSummaryOfSegmentalNetEarningsDetails
808 Disclosure Of Operating Segments [Table] Table

*

*

 ifrs-full:DisclosureOfOperatingSegmentsTable
809 Segment consolidation items [axis] Axis ifrs-full:SegmentConsolidationItemsAxis
810 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
811 Operating Segments Member ifrs-full:OperatingSegmentsMember
812 Corporate Member ifrs-full:UnallocatedAmountsMember
813 Intercompany Eliminations Member tsg:IntercompanyEliminationsMember
814 Consolidated Member ifrs-full:ConsolidatedMember
815 Products and services [axis] Axis ifrs-full:ProductsAndServicesAxis
816 Products and services [member] Member ifrs-full:ProductsAndServicesMember
817 Poker Member tsg:PokerMember
818 Gaming Member tsg:GamingMember
819 Betting Member tsg:BettingMember
820 Other Member tsg:OtherMember
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822 Segments [member] Member ifrs-full:SegmentsMember
823 International Member tsg:InternationalMember
824 United Kingdom Member tsg:UnitedKingdomMember
825 Australia Member tsg:AustraliaMember
826 Disclosure Of Operating Segments [Line Items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
827 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
828 Adjusted EBITDA Concept (Monetary) For Period Credit tsg:AdjustedEbitda
829 Net financing charges Concept (Monetary) For Period Debit tsg:NetFinancingCharges
830 Depreciation and amortization Concept (Monetary) For Period Debit ifrs-full:DepreciationAndAmortisationExpense
831 Capital expenditures Concept (Monetary) For Period Debit tsg:CapitalExpenditures
832 100830 - Disclosure - Segmental Information - Summary of Segmental Net Earnings (Parenthetical) (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureSegmentalInformationSummaryOfSegmentalNetEarningsParentheticalDetails
833 Disclosure Of Operating Segments [Table] Table

*

*

 ifrs-full:DisclosureOfOperatingSegmentsTable
834 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
835 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
836 UNITED KINGDOM Member country:GB
837 Disclosure Of Operating Segments [Line Items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
838 Other sources of revenue Concept (Monetary) For Period Credit ifrs-full:OtherRevenue
839 100840 - Disclosure - Segmental Information - Summary of Reconciliation of Adjusted EBITDA to Net Earnings (Loss) (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureSegmentalInformationSummaryOfReconciliationOfAdjustedEBITDAToNetEarningsLossDetails
840 Implied Table Table

*

*

 implied:Table
841 Disclosure Of Operating Segments [Abstract] Abstract ifrs-full:DisclosureOfOperatingSegmentsAbstract
842 Adjusted EBITDA Concept (Monetary) For Period Credit tsg:AdjustedEbitda
843 Acquisition-related costs and deal contingent forwards Concept (Monetary) For Period Debit ifrs-full:AcquisitionrelatedCostsForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination
844 Stock-based compensation Concept (Monetary) For Period Debit ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees
845 (Loss) gain from investments and associates Concept (Monetary) For Period Credit ifrs-full:AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates
846 (Impairment) reversal of intangibles assets and assets held for sale Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
847 Other costs Concept (Monetary) For Period Credit tsg:OtherCosts
848 Total adjusting items Concept (Monetary) For Period Credit tsg:AdjustmentsToAdjustedEarningsBeforeInterestTaxesDepreciationDepletionAndAmortizationToEarnings
849 Depreciation and amortization Concept (Monetary) For Period Debit ifrs-full:DepreciationAndAmortisationExpense
850 Operating income Concept (Monetary) For Period Credit ifrs-full:OperatingLeaseIncome
851 Net financing charges Concept (Monetary) For Period Debit tsg:NetFinancingCharges
852 Net earnings (loss) from associates Concept (Monetary) For Period Credit ifrs-full:AdjustmentsForUndistributedProfitsOfAssociates
853 (Loss) earnings before income taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTaxDiscontinuedOperations
854 Income tax recovery (expense) Concept (Monetary) For Period Credit tsg:IncomeTaxRecoveryExpense
855 Net (loss) earnings Concept (Monetary) For Period Credit tsg:NetLossEarnings
856 100850 - Disclosure - Segmental Information - Summary of Distribution of Corporation's Assets by Reporting Segment (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureSegmentalInformationSummaryOfDistributionOfCorporationSAssetsByReportingSegmentDetails
857 Disclosure Of Operating Segments [Table] Table

*

*

 ifrs-full:DisclosureOfOperatingSegmentsTable
858 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
859 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
860 International Member tsg:InternationalMember
861 UNITED KINGDOM Member country:GB
862 Australia Member country:AU
863 Segment consolidation items [axis] Axis ifrs-full:SegmentConsolidationItemsAxis
864 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
865 Corporate Member ifrs-full:UnallocatedAmountsMember
866 Disclosure Of Operating Segments [Line Items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
867 Distribution corporation's assets Concept (Monetary) For Period Credit tsg:DistributionOfNoncashNetAssetsInConnectionWithReportingSegment
868 100860 - Disclosure - Segmental Information - Summary of Segment by Geographic Region (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureSegmentalInformationSummaryOfSegmentByGeographicRegionDetails
869 Disclosure Of Operating Segments [Table] Table

*

*

 ifrs-full:DisclosureOfOperatingSegmentsTable
870 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
871 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
872 Canada Member currency:CAD
873 Isle of Man Member country:IM
874 Italy Member country:IT
875 Australia Member country:AU
876 UNITED KINGDOM Member country:GB
877 Other Licensed Or Approved Jurisdictions Member tsg:OtherLicensedOrApprovedJurisdictionsMember
878 Disclosure Of Operating Segments [Line Items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
879 Goodwill, intangible assets and property and equipment Concept (Monetary) As Of Debit tsg:PropertyPlantAndEquipmentIntangibleAssetsAndGoodwill
880 100870 - Disclosure - Segmental Information - Summary of Segment by Customer Location (Details) Network

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*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureSegmentalInformationSummaryOfSegmentByCustomerLocationDetails
881 Disclosure Of Operating Segments [Table] Table

*

*

 ifrs-full:DisclosureOfOperatingSegmentsTable
882 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
883 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
884 Isle of Man Member country:IM
885 Malta Member country:MT
886 Italy Member country:IT
887 UNITED KINGDOM Member country:GB
888 Spain Member country:ES
889 Australia Member country:AU
890 Other Licensed Or Approved Jurisdictions Member tsg:OtherLicensedOrApprovedJurisdictionsMember
891 France Member country:FR
892 Segment consolidation items [axis] Axis ifrs-full:SegmentConsolidationItemsAxis
893 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
894 Operating Segments Member ifrs-full:OperatingSegmentsMember
895 Intercompany Eliminations Member tsg:IntercompanyEliminationsMember
896 Segments [axis] Axis ifrs-full:SegmentsAxis
897 Segments [member] Member ifrs-full:SegmentsMember
898 International Member tsg:InternationalMember
899 United Kingdom Member tsg:UnitedKingdomMember
900 Australia Member tsg:AustraliaMember
901 Disclosure Of Operating Segments [Line Items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
902 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
903 100880 - Disclosure - Segmental Information - Summary of Segment by Customer Location (Parenthetical) (Details) Network

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*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureSegmentalInformationSummaryOfSegmentByCustomerLocationParentheticalDetails
904 Disclosure Of Operating Segments [Table] Table

*

*

 ifrs-full:DisclosureOfOperatingSegmentsTable
905 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
906 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
907 Isle of Man Member country:IM
908 Segment consolidation items [axis] Axis ifrs-full:SegmentConsolidationItemsAxis
909 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
910 Intercompany Eliminations Member tsg:IntercompanyEliminationsMember
911 Disclosure Of Operating Segments [Line Items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
912 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
913 100890 - Disclosure - Expenses Classified By Nature - Expenses Classified By Nature (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureExpensesClassifiedByNatureExpensesClassifiedByNatureDetails
914 Implied Table Table

*

*

 implied:Table
915 Expense By Nature [Abstract] Abstract ifrs-full:ExpenseByNatureAbstract
916 Cost of revenue (excluding depreciation and amortization) Abstract tsg:CostOfRevenuesAbstract
917 Direct selling costs Concept (Monetary) For Period Debit ifrs-full:SellingExpense
918 Gaming duty, levies and fees Concept (Monetary) For Period Debit tsg:GamingDutyLeviesAndFees
919 Processor and other operating costs Concept (Monetary) For Period Debit tsg:ProcessorAndOtherOperatingCosts
920 Cost of revenues Concept (Monetary) For Period Debit tsg:CostOfRevenues
921 General and administrative Abstract ifrs-full:SellingGeneralAndAdministrativeExpenseAbstract
922 Salaries and wages Concept (Monetary) For Period Debit ifrs-full:WagesAndSalaries
923 Legal and professional fees Concept (Monetary) For Period Debit ifrs-full:ProfessionalFeesExpense
924 Impairment (reversal of impairment) of property and equipment, intangible assets and assets held for sale (note 11) Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
925 Loss (gain) on disposal of investments and other assets Concept (Monetary) For Period Debit tsg:LossGainOnDisposalsOfInvestmentsAndOtherAssets
926 Acquisition related costs Concept (Monetary) For Period Debit tsg:AcquisitionRelatedCosts
927 Acquisition of market access rights in connection with Eldorado Concept (Monetary) For Period Debit tsg:AcquisitionOfMarketAccessRights
928 Foreign exchange (gain) loss Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
929 IT and software costs Concept (Monetary) For Period Debit tsg:ITAndSoftwareCosts
930 Other operational costs Concept (Monetary) For Period Credit tsg:OtherOperationalCost
931 Depreciation and amortization Concept (Monetary) For Period Debit ifrs-full:DepreciationAndAmortisationExpense
932 General and administrative Concept (Monetary) For Period Debit tsg:GeneralAndAdministrativeExpenses
933 Net financing charges Abstract tsg:NetFinancingChargesAbstract
934 Interest on long-term debt Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnDebtInstrumentsIssued
935 Re-measurement of deferred contingent payment Concept (Monetary) For Period Debit tsg:RemeasurementOfDeferredContingentPayment
936 Re-measurement of Embedded Derivatives Concept (Monetary) For Period Debit tsg:RemeasurementOfEmbeddedDerivatives
937 Ineffectiveness on cash flow hedges Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnIneffectivenessOfCashFlowHedgesRecognisedInProfitOrLoss
938 Accretion expense Concept (Monetary) For Period Debit tsg:AccretionExpenses
939 Loss on debt extinguishment Concept (Monetary) For Period Credit tsg:GainLossOnDebtExtinguishment
940 Interest income Concept (Monetary) For Period Credit ifrs-full:InterestRevenueExpense
941 Interest on deferred purchase price Concept (Monetary) For Period Debit tsg:InterestOnDeferredPurchasePrice
942 Net financing charges Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
943 100900 - Disclosure - Expenses Classified By Nature - Additional Information (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureExpensesClassifiedByNatureAdditionalInformationDetails
944 Expenses Classified By Nature [Table] Table

*

*

 tsg:ExpensesClassifiedByNatureTable
945 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
946 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
947 Stars Interactive Group Member tsg:StarsInteractiveGroupMember
948 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
949 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
950 Belgium Member country:BE
951 Expenses Classified By Nature [Line Items] LineItems tsg:ExpensesClassifiedByNatureLineItems
952 Indemnification proceeds for gaming duty, professional fees and income taxes Concept (Monetary) For Period Debit tsg:IndemnificationProceedsForGamingDutyProfessionalFeesAndIncomeTaxes
953 Refund of taxes and penalties Concept (Monetary) For Period Credit tsg:IncomeTaxesAndPenaltiesRefund
954 Insurance indemnification proceeds Concept (Monetary) For Period Debit tsg:ProceedsFromInsuranceIndemnification
955 Employer contributions included in salaries and wages Concept (Monetary) For Period Credit ifrs-full:EmployerContributions
956 100910 - Disclosure - Income Taxes - Summary of Income Tax Expense (Details) Network

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*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureIncomeTaxesSummaryOfIncomeTaxExpenseDetails
957 Implied Table Table

*

*

 implied:Table
958 Disclosure Of Summary Of Income Tax Expense [Abstract] Abstract tsg:DisclosureOfSummaryOfIncomeTaxExpenseAbstract
959 Current income tax expense Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncome
960 Current income tax expense (recovery) - provision true up Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForCurrentTaxOfPriorPeriod
961 Deferred income tax recovery relating to the origination and reversal of temporary differences Concept (Monetary) For Period Debit ifrs-full:DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences
962 Deferred income tax (recovery) expense - provision true up Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDeferredTaxOfPriorPeriods
963 Income tax (recovery) expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
964 100920 - Disclosure - Income Taxes - Additional Information (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureIncomeTaxesAdditionalInformationDetails
965 Disclosure Of Deferred Income Taxes [Table] Table

*

*

 tsg:DisclosureOfDeferredIncomeTaxesTable
966 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
967 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
968 Ontario [Member] Member tsg:OntarioMember
969 Quebec [Member] Member tsg:QuebecMember
970 Canada [Member] Member country:CA
971 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
972 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
973 Canadian non-capital tax losses [Member] Member tsg:CanadianNonCapitalTaxLossesMember
974 Foreign subsidiary non capital losses [Member] Member tsg:ForeignSubsidiaryMember
975 Carried Forward for up to 9 years [Member] Member tsg:DefferedTaxCarriedForwardForNineYearsMember
976 Disclosure Of Deferred Income Taxes [Line Items] LineItems tsg:DisclosureOfDeferredIncomeTaxesLineItems
977 Applicable tax rate Concept (Percent) For Period ifrs-full:ApplicableTaxRate
978 Change in statutory tax rate Concept (Percent) For Period tsg:ChangeInStatutoryTaxRate
979 Effective tax rate Concept (Percent) For Period ifrs-full:AverageEffectiveTaxRate
980 Income tax recovery on the amortization expense of acquired intangible assets Concept (Monetary) For Period Credit tsg:IncomeTaxRecoveryOnAmortizationExpenseOfAcquiredIntangibleAssets
981 Tax provision Concept (Monetary) For Period Debit tsg:ProvisionForTax
982 Unrecognized deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
983 Expiry term on non capital loss applied against earnings Concept (xbrli:durationItemType) For Period tsg:DeferredTaxAssetsExpiryTermOfNonCapitalLossApplicableAgainstEarnings
984 Tax Losses Carry Forward First Year of Expiration Concept (Year) For Period tsg:TaxLossesCarryForwardFirstYearOfExpiration
985 Carry forward tax losses Concept (Monetary) As Of Debit tsg:CarryForwardTaxLosses
986 Tax Loss Carryforwards Maximum Period Concept (xbrli:durationItemType) For Period tsg:TaxLossCarryforwardsMaximumPeriod
987 Tax losses carried forward subject to expiration during first year Concept (Monetary) As Of Debit tsg:TaxLossesCarryForwardSubjectToExpirationDuringFirstYear
988 Deferred tax liabilities for unremitted earnings Concept (Monetary) As Of Credit tsg:DeferredTaxLiabilitiesRecognisedForUnremittedEarnings
989 100930 - Disclosure - Income Taxes - Summary of Reconciliation of Income Tax Expense (Details) Network

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 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureIncomeTaxesSummaryOfReconciliationOfIncomeTaxExpenseDetails
990 Implied Table Table

*

*

 implied:Table
991 Reconciliation Of Average Effective Tax Rate And Applicable Tax Rate [Abstract] Abstract ifrs-full:ReconciliationOfAverageEffectiveTaxRateAndApplicableTaxRateAbstract
992 Net (loss) earnings before income taxes Concept (Monetary) For Period Credit ifrs-full:AccountingProfit
993 Applicable tax rate Concept (Percent) For Period ifrs-full:ApplicableTaxRate
994 Income taxes at Canadian statutory tax rate Concept (Monetary) For Period Debit ifrs-full:TaxExpenseIncomeAtApplicableTaxRate
995 Non-taxable income Concept (Monetary) For Period Credit ifrs-full:TaxEffectOfRevenuesExemptFromTaxation2011
996 Non-deductible expenses Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss
997 Differences in effective income tax rates in foreign jurisdictions Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfForeignTaxRates
998 Deferred tax assets not recognized Concept (Monetary) For Period Debit tsg:TaxEffectOfDeferredTaxAssetsNotRecognized
999 Provision true up Concept (Monetary) For Period Debit tsg:TaxEffectOfProvisionTrueUp
1000 Income tax (recovery) expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1001 100940 - Disclosure - Income Taxes - Summary of Significant Components of Deferred Income Tax Asset (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureIncomeTaxesSummaryOfSignificantComponentsOfDeferredIncomeTaxAssetDetails
1002 Disclosure Of Deferred Income Taxes [Table] Table

*

*

 tsg:DisclosureOfDeferredIncomeTaxesTable
1003 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1004 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1005 Tax Losses Member ifrs-full:UnusedTaxLossesMember
1006 Other Member ifrs-full:OtherTemporaryDifferencesMember
1007 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
1008 Assets [member] Member ifrs-full:ClassesOfAssetsMember
1009 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
1010 Intangibles Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
1011 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
1012 Currently stated [member] Member ifrs-full:RestatedMember
1013 Previously Stated Member ifrs-full:PreviouslyStatedMember
1014 Disclosure Of Deferred Income Taxes [Line Items] LineItems tsg:DisclosureOfDeferredIncomeTaxesLineItems
1015 Beginning balance Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
1016 Credited / (charged) to net earnings Concept (Monetary) For Period Debit tsg:DeferredTaxAssetsExpenseIncomeRecognisedInProfitOrLoss
1017 Credited to other comprehensive income Concept (Monetary) For Period Debit tsg:DeferredTaxAssetsRelatingToComponentsOfOtherComprehensiveIncome
1018 Credited directly to equity - share-based payment transactions Concept (Monetary) For Period Debit tsg:DeferredTaxAssetsRelatingToItemsChargedOrCreditedDirectlyToEquity
1019 Acquisition of subsidiary Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssetsRecognisedAsOfAcquisitionDate
1020 Foreign exchange on translation Concept (Monetary) For Period Debit tsg:DeferredTaxAssetsRelatingToForeignExchangeOnTranslation
1021 Ending balance Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
1022 Reclassifications Concept (Monetary) As Of Debit tsg:DeferredTaxAssetsReclassifications
1023 100950 - Disclosure - Income Taxes - Summary of Significant Components of Deferred Income Tax Liability (Details) Network

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 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureIncomeTaxesSummaryOfSignificantComponentsOfDeferredIncomeTaxLiabilityDetails
1024 Disclosure Of Deferred Income Taxes [Table] Table

*

*

 tsg:DisclosureOfDeferredIncomeTaxesTable
1025 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1026 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1027 Tax Losses Member ifrs-full:UnusedTaxLossesMember
1028 Other Member ifrs-full:OtherTemporaryDifferencesMember
1029 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
1030 Assets [member] Member ifrs-full:ClassesOfAssetsMember
1031 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
1032 Intangibles Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
1033 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
1034 Currently stated [member] Member ifrs-full:RestatedMember
1035 Previously Stated Member ifrs-full:PreviouslyStatedMember
1036 Disclosure Of Deferred Income Taxes [Line Items] LineItems tsg:DisclosureOfDeferredIncomeTaxesLineItems
1037 Beginning balance Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
1038 Credited / (charged) to net earnings Concept (Monetary) For Period Credit tsg:DeferredTaxLiabilitiesExpenseIncomeRecognisedInProfitOrLoss
1039 Credited to other comprehensive income Concept (Monetary) For Period Credit tsg:DeferredTaxLiabilitiesRelatingToComponentsOfOtherComprehensiveIncome
1040 Acquisition of subsidiary Concept (Monetary) For Period Credit tsg:DeferredTaxLiabilitiesRecognisedThroughAcquisitionDate
1041 Foreign exchange on translation Concept (Monetary) For Period Credit tsg:DeferredTaxLiabilitiesRelatingToForeignExchangeOnTranslation
1042 Ending balance Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
1043 Reclassifications Concept (Monetary) As Of Credit tsg:DeferredTaxLiabilitiesReclassifications
1044 100960 - Disclosure - Income Taxes - Schedule of Gross Temporary Differences (Details) Network

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 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureIncomeTaxesScheduleOfGrossTemporaryDifferencesDetails
1045 Disclosure Of Temporary Difference Unused Tax Losses And Other Temporary Differences [Table] Table

*

*

 tsg:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndOtherTemporaryDifferencesTable
1046 Deferred Tax Axis tsg:DeferredTaxAxis
1047 Deferred Tax Member Member tsg:DeferredTaxMember
1048 Unrecognized Deferred Tax Assets Member tsg:UnrecognizedDeferredTaxAssetsMember
1049 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1050 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1051 Tax Losses Member ifrs-full:UnusedTaxLossesMember
1052 Other Member ifrs-full:OtherTemporaryDifferencesMember
1053 Disclosure Of Temporary Difference Unused Tax Losses And Other Temporary Differences [Line Items] LineItems tsg:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndOtherTemporaryDifferencesLineItems
1054 Unrecognized deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
1055 100970 - Disclosure - Earnings Per Share - Schedule of Computation of Basic and Diluted Earnings Per Share (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureEarningsPerShareScheduleOfComputationOfBasicAndDilutedEarningsPerShareDetails
1056 Implied Table Table

*

*

 implied:Table
1057 Earnings Per Share [Abstract] Abstract ifrs-full:EarningsPerShareAbstract
1058 Numerator Abstract tsg:NumeratorComputationOfBasicAndDilutedEarningsPerShareAbstract
1059 Numerator for basic and diluted earnings per Common Share - net earnings (loss) attributable to shareholders of The Stars Group Inc. Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromContinuingOperations
1060 Denominator Abstract tsg:DenominatorComputationOfBasicAndDilutedEarningsPerShareAbstract
1061 Denominator for basic earnings per Common Share – weighted average number of Common Shares Concept (Shares) For Period ifrs-full:WeightedAverageShares
1062 Effect of dilutive securities Abstract ifrs-full:WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract
1063 Stock options Concept (Shares) For Period ifrs-full:DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares
1064 Performance share units Concept (Shares) For Period tsg:DilutiveEffectOfPerformanceShareUnitsOnNumberOfOrdinaryShares
1065 Deferred share units Concept (Shares) For Period tsg:DilutiveEffectOfDeferredShareUnitsOnNumberOfOrdinaryShares
1066 Restricted share units Concept (Shares) For Period tsg:DilutiveEffectOfRestrictedShareUnitsOnNumberOfOrdinaryShares
1067 Warrants Concept (Shares) For Period tsg:DilutiveEffectOfWarrantsOnNumberOfOrdinaryShares
1068 Convertible Preferred Shares Concept (Shares) For Period ifrs-full:DilutiveEffectOfConvertibleInstrumentsOnNumberOfOrdinaryShares
1069 Effect of dilutive securities * Concept (Shares) For Period tsg:EffectOfDilutiveSecurities
1070 Dilutive potential for diluted earnings per Common Share Concept (Shares) For Period ifrs-full:AdjustedWeightedAverageShares
1071 Basic earnings (loss) per Common Share Concept (Share) For Period ifrs-full:BasicEarningsLossPerShare
1072 Diluted earnings (loss) per Common Share Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShare
1073 100980 - Disclosure - Goodwill and Intangible Assets - Schedule of Goodwill and Intangible Assets (Details) Network

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 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureGoodwillAndIntangibleAssetsScheduleOfGoodwillAndIntangibleAssetsDetails
1074 Disclosure Of Reconciliation Of Changes In Intangible Assets And Goodwill [Table] Table

*

*

 ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable
1075 Other Axis ifrs-full:ClassesOfIntangibleAssetsAndGoodwillAxis
1076 Intangible assets and goodwill [member] Member ifrs-full:IntangibleAssetsAndGoodwillMember
1077 Software Technology Acquired Through Business Combinations Member ifrs-full:TechnologybasedIntangibleAssetsMember
1078 Customer Relationships Member ifrs-full:CustomerrelatedIntangibleAssetsMember
1079 Brands Member ifrs-full:BrandNamesMember
1080 Brands (licensed) Member tsg:BrandsLicensedMember
1081 Deferred Development Costs Member ifrs-full:CapitalisedDevelopmentExpenditureMember
1082 Other Intangibles Member ifrs-full:OtherIntangibleAssetsMember
1083 Goodwill Member ifrs-full:GoodwillMember
1084 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1085 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1086 Cost Member ifrs-full:GrossCarryingAmountMember
1087 Accumulated Amortization and Impairments Member ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember
1088 Disclosure Of Reconciliation Of Changes In Intangible Assets And Goodwill [Line Items] LineItems ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems
1089 Beginning balance Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsAndGoodwill
1090 Amortization Concept (Monetary) For Period Debit tsg:AmortizationIntangibleAssetsOtherThanGoodwillAndBrands
1091 Additions Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill
1092 Additions through business combination Concept (Monetary) For Period Debit ifrs-full:AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill
1093 Disposals Concept (Monetary) For Period Credit ifrs-full:DisposalsIntangibleAssetsAndGoodwill
1094 Impairment Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill
1095 Reclassification Concept (Monetary) For Period Debit tsg:IncreaseDecreaseThroughReclassificationIntangibleAssetsAndGoodwill
1096 Translation Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill
1097 Ending balance Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsAndGoodwill
1098 100990 - Disclosure - Goodwill and Intangible Assets - Additional Information (Details) Network

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*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureGoodwillAndIntangibleAssetsAdditionalInformationDetails
1099 Disclosure Of Reconciliation Of Changes In Intangible Assets And Goodwill [Table] Table

*

*

 ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable
1100 Other Axis ifrs-full:ClassesOfIntangibleAssetsAndGoodwillAxis
1101 Intangible assets and goodwill [member] Member ifrs-full:IntangibleAssetsAndGoodwillMember
1102 Deferred Development Costs Member ifrs-full:IntangibleAssetsUnderDevelopmentMember
1103 Discontinued Development and Other Projects Member tsg:DiscontinuedDevelopmentAndOtherProjectsMember
1104 Goodwill Member ifrs-full:GoodwillMember
1105 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1106 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1107 Subsidiaries Member ifrs-full:SubsidiariesMember
1108 Segments [axis] Axis ifrs-full:SegmentsAxis
1109 Segments [member] Member ifrs-full:SegmentsMember
1110 International Member ifrs-full:ForeignCountriesMember
1111 UNITED KINGDOM Member country:GB
1112 Australia Member country:AU
1113 Disclosure Of Reconciliation Of Changes In Intangible Assets And Goodwill [Line Items] LineItems ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems
1114 Impairment losses Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill
1115 Goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
1116 Revenue growth rate Concept (Percent) As Of ifrs-full:DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections
1117 Steady growth rate Concept (Percent) As Of tsg:DescriptionOfSteadyGrowthRateUsedToExtrapolateCashFlowProjections
1118 Impairment loss recognized in profit or loss, goodwill Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossGoodwill
1119 Excess of recoverable amount over carrying amount Concept (Monetary) As Of Debit ifrs-full:AmountByWhichUnitsRecoverableAmountExceedsItsCarryingAmount
1120 101000 - Disclosure - Goodwill and Intangible Assets - Summary of Impairment Test Operations for CGU (Details) Network

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*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureGoodwillAndIntangibleAssetsSummaryOfImpairmentTestOperationsForCGUDetails
1121 Disclosure Of Reconciliation Of Changes In Intangible Assets And Goodwill [Table] Table

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*

 ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable
1122 Individual assets or cash-generating units [axis] Axis ifrs-full:IndividualAssetsOrCashgeneratingUnitsAxis
1123 Entity's total for individual assets or cash-generating units [member] Member ifrs-full:EntitysTotalForIndividualAssetsOrCashgeneratingUnitsMember
1124 Cash Generating Unit Member ifrs-full:IndividualAssetsOrCashgeneratingUnitsMember
1125 Segments [axis] Axis ifrs-full:SegmentsAxis
1126 Segments [member] Member ifrs-full:SegmentsMember
1127 International Member ifrs-full:ForeignCountriesMember
1128 UNITED KINGDOM Member country:GB
1129 Australia Member country:AU
1130 Other Axis ifrs-full:ClassesOfIntangibleAssetsAndGoodwillAxis
1131 Intangible assets and goodwill [member] Member ifrs-full:IntangibleAssetsAndGoodwillMember
1132 Brands Member ifrs-full:BrandNamesMember
1133 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
1134 Assets [member] Member ifrs-full:ClassesOfAssetsMember
1135 Goodwill Member ifrs-full:GoodwillMember
1136 Disclosure Of Reconciliation Of Changes In Intangible Assets And Goodwill [Line Items] LineItems ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems
1137 International Concept (Text/String) For Period ifrs-full:ExplanationOfMainEventsAndCircumstancesThatLedToRecognitionOfImpairmentLossesAndReversalsOfImpairmentLosses
1138 101010 - Disclosure - Goodwill and Intangible Assets - Summary of Key Assumption Used value in Calculation (Details) Network

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*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureGoodwillAndIntangibleAssetsSummaryOfKeyAssumptionUsedValueInCalculationDetails
1139 Disclosure Of Reconciliation Of Changes In Intangible Assets And Goodwill [Table] Table

*

*

 ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable
1140 Segments [axis] Axis ifrs-full:SegmentsAxis
1141 Segments [member] Member ifrs-full:SegmentsMember
1142 International Member ifrs-full:ForeignCountriesMember
1143 UNITED KINGDOM Member country:GB
1144 Australia Member country:AU
1145 Range [axis] Axis ifrs-full:RangeAxis
1146 Ranges [member] Member ifrs-full:RangesMember
1147 Minimum Member ifrs-full:BottomOfRangeMember
1148 Maximum Member ifrs-full:TopOfRangeMember
1149 Disclosure Of Reconciliation Of Changes In Intangible Assets And Goodwill [Line Items] LineItems ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems
1150 Discount Rate (pre-tax) Concept (Percent) As Of tsg:DiscountRateAppliedToCashFlowProjectionsPreTaxBasis
1151 Discount Rate (after-tax) Concept (Percent) As Of tsg:DiscountRateAppliedToCashFlowProjectionsAfterTaxBasis
1152 Perpetual Growth Rate Concept (Percent) As Of tsg:DescriptionOfPerpetualGrowthRateUsedToExtrapolateCashFlowProjections
1153 Revenue growth rate Concept (Percent) As Of ifrs-full:DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections
1154 Adjusted EBITDA Margin as % of Revenue Concept (Percent) As Of tsg:DescriptionOfEarningsBeforeInterestTaxesDepreciationAndAmortizationAsPercentageOfRevenueToExtrapolateCashFlowProjections
1155 CAPEX as % of Revenue Concept (Percent) As Of tsg:DescriptionOfCapitalExpenditureAsPercentageOfRevenueToExtrapolateCashFlowProjections
1156 101020 - Disclosure - Goodwill and Intangible Assets - Summary of Change Required for Carrying Value to Equal Recoverable Amount (Details) Network

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*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureGoodwillAndIntangibleAssetsSummaryOfChangeRequiredForCarryingValueToEqualRecoverableAmountDetails
1157 Disclosure Of Reconciliation Of Changes In Intangible Assets And Goodwill [Table] Table

*

*

 ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable
1158 Segments [axis] Axis ifrs-full:SegmentsAxis
1159 Segments [member] Member ifrs-full:SegmentsMember
1160 UNITED KINGDOM Member country:GB
1161 Australia Member country:AU
1162 Disclosure Of Reconciliation Of Changes In Intangible Assets And Goodwill [Line Items] LineItems ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems
1163 Discount Rate (pre-tax) Concept (Monetary) As Of Debit tsg:DiscountRateAppliedToCashFlowProjectionsPreTaxBasisValue
1164 Discount Rate (after-tax) Concept (Monetary) As Of Debit tsg:DiscountRateAppliedToCashFlowProjectionsAfterTaxBasisValue
1165 Perpetual Growth Rate Concept (Monetary) As Of Debit tsg:DescriptionOfPerpetualGrowthRateUsedToExtrapolateCashFlowProjectionsValue
1166 Revenue Growth Rate across the five year forecast Concept (Monetary) As Of Debit tsg:DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjectionsValue
1167 Adjusted EBITDA Margin as % of Revenue across the five year forecast Concept (Monetary) As Of Debit tsg:DescriptionOfEarningsBeforeInterestTaxesDepreciationAndAmortizationAsPercentageOfRevenueToExtrapolateCashFlowProjectionsValue
1168 CAPEX as % of Revenue Concept (Monetary) As Of tsg:DescriptionOfCapitalExpenditureAsPercentageOfRevenueToExtrapolateCashFlowProjectionsValue
1169 101030 - Disclosure - Property and Equipment - Summary of Property and Equipment (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosurePropertyAndEquipmentSummaryOfPropertyAndEquipmentDetails
1170 Disclosure Of Property Plant And Equipment [Table] Table

*

*

 ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
1171 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1172 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
1173 Furniture and Fixtures Member us-gaap:FurnitureAndFixturesMember
1174 Computer Equipment Member ifrs-full:ComputerEquipmentMember
1175 Building Member ifrs-full:BuildingsMember
1176 Revenue-Producing Assets Member tsg:RevenueProducingAssetsMember
1177 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1178 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1179 Cost Member ifrs-full:GrossCarryingAmountMember
1180 Accumulated Depreciation Member ifrs-full:AccumulatedDepreciationAndAmortisationMember
1181 Disclosure Of Property Plant And Equipment [Line Items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
1182 Beginning balance Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1183 Additions Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
1184 Depreciation Concept (Monetary) For Period ifrs-full:DepreciationPropertyPlantAndEquipment
1185 Additions through business combinations Concept (Monetary) For Period Debit ifrs-full:AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment
1186 Disposals Concept (Monetary) For Period Credit ifrs-full:DisposalsPropertyPlantAndEquipment
1187 Impairment Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
1188 Translation Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment
1189 Ending balance Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1190 101040 - Disclosure - Investments - Summary of Investments Held by Corporate (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureInvestmentsSummaryOfInvestmentsHeldByCorporateDetails
1191 Disclosure Of Investment Asset [Table] Table

*

*

 tsg:DisclosureOfInvestmentAssetTable
1192 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1193 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1194 Funds Member tsg:FundsMember
1195 Bonds Member tsg:BondMember
1196 Equity in Unquoted Companies Member tsg:EquityInUnquotedCompaniesMember
1197 Equity in Quoted Companies Member tsg:EquityInQuotedCompaniesMember
1198 Bonds – FVOCI Member tsg:BondsFVOCIMember
1199 Equity in Unquoted Companies – FVTPL Member tsg:EquityInUnquotedCompaniesFVTPLMember
1200 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
1201 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
1202 Available-for-sale Member ifrs-full:FinancialAssetsAvailableforsaleCategoryMember
1203 Disclosure Of Investment [Line Items] LineItems tsg:DisclosureOfInvestmentLineItems
1204 Investments Concept (Monetary) As Of Debit tsg:Investment
1205 Current portion Concept (Monetary) As Of Debit ifrs-full:CurrentInvestments
1206 Non-current portion Concept (Monetary) As Of Debit tsg:NonCurrentInvestments
1207 101050 - Disclosure - Investments - Additional Information (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureInvestmentsAdditionalInformationDetails
1208 Disclosure Of Investment Asset [Table] Table

*

*

 tsg:DisclosureOfInvestmentAssetTable
1209 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1210 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1211 Securities of NYX Gaming Group Member tsg:NYXGamingGroupMember
1212 Shares of Jackpotjoy Member tsg:JackpotjoySharesMember
1213 Disclosure Of Investment [Line Items] LineItems tsg:DisclosureOfInvestmentLineItems
1214 Current investments - customer deposits Concept (Monetary) As Of Debit tsg:CustomerDepositsHeldInInvestmentSegregatedFromHoldingOperationalFunds
1215 Customer deposits covered by cash Concept (Monetary) As Of Debit ifrs-full:ShorttermDepositsClassifiedAsCashEquivalents
1216 Impairment loss Concept (Monetary) For Period Debit ifrs-full:ImpairmentLoss
1217 Proceeds from sale of investment in cash Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
1218 Gain on investment in equity instruments Concept (Monetary) For Period Credit ifrs-full:GainsOnDisposalsOfInvestments
1219 101060 - Disclosure - Investments - Summary of Corporations investments Held by Maturity Date (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureInvestmentsSummaryOfCorporationsInvestmentsHeldByMaturityDateDetails
1220 Disclosure Of Investment Asset [Table] Table

*

*

 tsg:DisclosureOfInvestmentAssetTable
1221 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1222 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1223 Bonds Member tsg:BondMember
1224 Disclosure Of Investment [Line Items] LineItems tsg:DisclosureOfInvestmentLineItems
1225 Available for sale securities, debt maturities, next twelve months, fair value Concept (Monetary) As Of Debit tsg:AvailableForSaleSecuritiesDebtMaturitiesOneYearsFairValue
1226 Available for sale securities, debt maturities, year two through five, fair value Concept (Monetary) As Of Debit tsg:AvailableForSaleSecuritiesDebtMaturitiesOneToFiveYearsFairValue
1227 Available for sale securities, debt maturities, after five years, fair value Concept (Monetary) As Of Debit tsg:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsFairValue
1228 101070 - Disclosure - Investments - Summary of Recognized Gains (Losses) From Current Investments (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureInvestmentsSummaryOfRecognizedGainsLossesFromCurrentInvestmentsDetails
1229 Disclosure Of Investment Asset [Table] Table

*

*

 tsg:DisclosureOfInvestmentAssetTable
1230 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1231 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1232 Bonds Member tsg:BondMember
1233 Equity in Private Companies Member tsg:PrivateCompaniesEquityFundMember
1234 Disclosure Of Investment [Line Items] LineItems tsg:DisclosureOfInvestmentLineItems
1235 Investment income earned Concept (Monetary) For Period Credit ifrs-full:InvestmentIncome
1236 Realized (losses) gains Concept (Monetary) For Period Credit tsg:RealizedGainsLosses
1237 Unrealized (losses) gains Concept (Monetary) For Period Credit tsg:UnrealizedGainsLosses
1238 Re-measurement of financial assets at FVTPL Concept (Monetary) For Period Credit tsg:RemeasurementAdjustmentOfFinancialAssetsAtFairValueThroughProfitOrLoss
1239 Total Concept (Monetary) For Period Credit tsg:GainsLossesOnChangeInFairValueOfInvestments
1240 101080 - Disclosure - Investments - Schedule Significant Subsidiaries of Corporation (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureInvestmentsScheduleSignificantSubsidiariesOfCorporationDetails
1241 Disclosure Of Investment Asset [Table] Table

*

*

 tsg:DisclosureOfInvestmentAssetTable
1242 Legal Entity Axis dei:LegalEntityAxis
1243 Entity Member dei:EntityDomain
1244 Stars Group Holdings B.V. Member tsg:StarsGroupHoldingsBVMember
1245 Stars Group Holdings Cooperatieve U.A Member tsg:StarsGroupHoldingsCooperatieveUAMember
1246 Stars Interactive Holdings (IOM) Limited Member tsg:StarsInteractiveHoldingsIOMLimitedMember
1247 Worldwide Independent Trust Limited Member tsg:WorldwideIndependentTrustLimitedMember
1248 Rational Entertainment Enterprises Limited Member tsg:RationalEntertainmentEnterprisesLimitedMember
1249 Naris Limited Member tsg:NarisLimitedMember
1250 Stars Interactive Limited Member tsg:StarsInteractiveLimitedMember
1251 RG Cash Plus Limited Member tsg:RGCashPlusLimitedMember
1252 Rational Gaming Europe Limited Member tsg:RationalGamingEuropeLimitedMember
1253 REEL Spain Plc Member tsg:REELSpainPlcMember
1254 Hestview Limited Member tsg:HestviewLimitedMember
1255 Bonne Terre Limited Member tsg:BonneTerreLimitedMember
1256 BetEasy Pty Limited Member tsg:BetEasyPtyLimitedMember
1257 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1258 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1259 Netherlands Member tsg:NetherlandsMember
1260 Isle of Man Member tsg:IsleOfManMember
1261 Malta Member tsg:MaltaMember
1262 England and Wales Member tsg:EnglandAndWalesMember
1263 Alderney Member tsg:AlderneyMember
1264 Australia Member tsg:AustraliaMember
1265 Disclosure Of Investment [Line Items] LineItems tsg:DisclosureOfInvestmentLineItems
1266 Principal business Concept (Text/String) For Period tsg:PrincipalBusiness
1267 Percentage of ownership Concept (Percent) For Period tsg:PercentageOfOwnership
1268 101090 - Disclosure - Accounts Receivable - Schedule of Accounts Receivable (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureAccountsReceivableScheduleOfAccountsReceivableDetails
1269 Implied Table Table

*

*

 implied:Table
1270 Trade And Other Current Receivables [Abstract] Abstract ifrs-full:TradeAndOtherCurrentReceivablesAbstract
1271 Balances held with processors Concept (Monetary) As Of Debit tsg:AccountsReceivablesHeldWithProcessors
1272 Balances due from live events Concept (Monetary) As Of Debit tsg:AccountsReceivablesDueFromLiveEvents
1273 VAT receivable Concept (Monetary) As Of Debit ifrs-full:CurrentValueAddedTaxReceivables
1274 Other receivables Concept (Monetary) As Of Debit ifrs-full:OtherCurrentReceivables
1275 Total accounts receivable balance Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
1276 Long-term VAT receivable Concept (Monetary) As Of Debit ifrs-full:NoncurrentValueAddedTaxReceivables
1277 Total non-current receivable balance Concept (Monetary) As Of Debit ifrs-full:NoncurrentTradeReceivables
1278 101100 - Disclosure - Cash and Cash Equivalents, Restricted Cash Advances and Collateral - Additional Information (Details) Network

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*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureCashAndCashEquivalentsRestrictedCashAdvancesAndCollateralAdditionalInformationDetails
1279 Restricted Cash Advances And Collateral [Table] Table

*

*

 tsg:RestrictedCashAdvancesAndCollateralTable
1280 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1281 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1282 Subsidiary Member ifrs-full:SubsidiariesMember
1283 Restricted Cash Advances And Collateral [Line Items] LineItems tsg:RestrictedCashAdvancesAndCollateralLineItems
1284 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1285 101110 - Disclosure - Cash and Cash Equivalents, Restricted Cash Advances and Collateral - Schedule of Restricted Cash Advances and Collateral (Details) Network

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*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureCashAndCashEquivalentsRestrictedCashAdvancesAndCollateralScheduleOfRestrictedCashAdvancesAndCollateralDetails
1286 Restricted Cash Advances And Collateral [Table] Table

*

*

 tsg:RestrictedCashAdvancesAndCollateralTable
1287 Major customers [axis] Axis ifrs-full:MajorCustomersAxis
1288 Customers [member] Member ifrs-full:MajorCustomersMember
1289 Guarantees in Connection With Licenses Held Member tsg:GuaranteesInConnectionWithLicensesHeldMember
1290 Funds in Connection With Hedging Contracts Member tsg:FundsInConnectionWithHedgingContractsMember
1291 Segregated Funds in Respect of Payment Processors Member tsg:SegregatedFundsInRespectOfPaymentProcessorsMember
1292 Guarantee in Connection with Acquisition of a Subsidiary Member tsg:GuaranteeInConnectionWithAcquisitionOfSubsidiaryMember
1293 Cash Portion of Kentucky Bond Collateral Member tsg:CashPortionOfKentuckyBondCollateralMember
1294 Funds Held In Term Deposits Member tsg:FundsHeldInTermDepositsMember
1295 Other Restricted Cash Advances and Collateral Member tsg:OtherRestrictedCashAdvancesAndCollateralMember
1296 Restricted Cash Advances And Collateral [Line Items] LineItems tsg:RestrictedCashAdvancesAndCollateralLineItems
1297 Restricted cash advances and collateral – total Concept (Monetary) As Of Debit tsg:RestrictedCashAdvancesAndCollateral
1298 Restricted cash advances and collateral – current portion Concept (Monetary) As Of Debit tsg:RestrictedCashAdvancesAndCollateralCurrent
1299 Restricted cash advances and collateral – non-current portion Concept (Monetary) As Of Debit tsg:RestrictedCashAdvancesAndCollateralNonCurrent
1300 101120 - Disclosure - Cash and Cash Equivalents, Restricted Cash Advances and Collateral - Schedule of Restricted Cash Advances and Collateral (Parenthetical) (Details) Network

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*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureCashAndCashEquivalentsRestrictedCashAdvancesAndCollateralScheduleOfRestrictedCashAdvancesAndCollateralParentheticalDetails
1301 Restricted Cash Advances And Collateral [Table] Table

*

*

 tsg:RestrictedCashAdvancesAndCollateralTable
1302 Major customers [axis] Axis ifrs-full:MajorCustomersAxis
1303 Customers [member] Member ifrs-full:MajorCustomersMember
1304 Cash Portion of Kentucky Bond Collateral Member tsg:CashPortionOfKentuckyBondCollateralMember
1305 Restricted Cash Advances And Collateral [Line Items] LineItems tsg:RestrictedCashAdvancesAndCollateralLineItems
1306 Restricted cash advances and collateral – total Concept (Monetary) As Of Debit tsg:RestrictedCashAdvancesAndCollateral
1307 101130 - Disclosure - Prepaid Expenses and Other Assets - Components of Prepaid Expenses and Other Assets (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosurePrepaidExpensesAndOtherAssetsComponentsOfPrepaidExpensesAndOtherAssetsDetails
1308 Implied Table Table

*

*

 implied:Table
1309 Prepaid Expenses And Other Assets [Abstract] Abstract tsg:PrepaidExpensesAndOtherAssetsAbstract
1310 Prepaid royalties Concept (Monetary) As Of Debit tsg:PrepaidRoyaltiesCurrent
1311 Prepaid expenses Concept (Monetary) As Of Debit ifrs-full:CurrentPrepaidExpenses
1312 Vendor deposits Concept (Monetary) As Of Debit tsg:CurrentVendorDeposits
1313 Other current assets Concept (Monetary) As Of Debit ifrs-full:OtherCurrentAssets
1314 Total current portion of prepaid expenses and other assets Concept (Monetary) As Of Debit ifrs-full:CurrentPrepaymentsAndOtherCurrentAssets
1315 Prepaid royalties Concept (Monetary) As Of Debit tsg:PrepaidRoyaltiesNoncurrent
1316 Vendor deposits Concept (Monetary) As Of Debit tsg:VendorDepositsNoncurrent
1317 Long term investments Concept (Monetary) As Of Debit tsg:NonCurrentInvestments
1318 Investment tax credits receivable Concept (Monetary) As Of Debit tsg:InvestmentTaxCreditsReceivable
1319 Deferred financing costs Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentNonfinancialAssets
1320 Total non-current portion of prepaid expenses and other assets Concept (Monetary) As Of Debit tsg:PrepaidExpensesAndOtherNonCurrentAssets
1321 101140 - Disclosure - Long-Term Debt - Disclosure of Principal and Carrying Amount of Long-Term Debt Outstanding (Details) Network

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*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureLongTermDebtDisclosureOfPrincipalAndCarryingAmountOfLongTermDebtOutstandingDetails
1322 Disclosure Of Long Term Debt [Table] Table

*

*

 tsg:DisclosureOfLongTermDebtTable
1323 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1324 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1325 Revolving Credit Facilities Member tsg:RevolvingCreditFacilitiesMember
1326 USD First Lien Term Loan Member tsg:USDFirstLienTermLoanMember
1327 EUR First Lien Term Loan Member tsg:EuroFirstLienTermLoanMember
1328 Senior Notes Member tsg:SeniorNotesOneMember
1329 USD Second Lien Term Loan Member tsg:UnitedStatesDollarsSecondLienTermLoanMember
1330 Loan Payable to Non-controlling Interests Member tsg:LoanPayableToNonControllingInterestsMember
1331 Previous USD First Lien Term Loan Member tsg:PreviousUSDFirstLienTermLoanMember
1332 Previous EUR First Lien Term Loan Member tsg:PreviousEURFirstLienTermLoanMember
1333 Disclosure Of Long Term Debt [Line Items] LineItems tsg:DisclosureOfLongTermDebtLineItems
1334 Interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1335 Principal outstanding balance in currency of borrowing Concept (Monetary) As Of ifrs-full:NotionalAmount
1336 Carrying amount in USD Concept (Monetary) As Of Credit ifrs-full:Borrowings
1337 Current portion of long term debt Concept (Monetary) As Of Credit ifrs-full:CurrentPortionOfLongtermBorrowings
1338 Long-term debt Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
1339 101150 - Disclosure - Long-Term Debt - Disclosure of Interest Outstanding on the Long Term Debt (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureLongTermDebtDisclosureOfInterestOutstandingOnLongTermDebtDetails
1340 Disclosure Of Long Term Debt [Table] Table

*

*

 tsg:DisclosureOfLongTermDebtTable
1341 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1342 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1343 Revolving Credit Facilities Member tsg:RevolvingCreditFacilitiesMember
1344 USD First Lien Term Loan Member tsg:UnitedStatesDollarsFirstLienTermLoanMember
1345 EUR First Lien Term Loan Member tsg:EuroFirstLienTermLoanMember
1346 USD Second Lien Term Loan Member tsg:UnitedStatesDollarsSecondLienTermLoanMember
1347 Senior Notes Member tsg:SeniorNotesOneMember
1348 Previous USD First Lien Term Loan Member tsg:PreviousUSDFirstLienTermLoanMember
1349 Previous EUR First Lien Term Loan Member tsg:PreviousEURFirstLienTermLoanMember
1350 Disclosure Of Long Term Debt [Line Items] LineItems tsg:DisclosureOfLongTermDebtLineItems
1351 Effective interest rate Concept (Percent) As Of tsg:BorrowingsEffectiveInterestRate
1352 Interest Concept (Monetary) For Period Debit ifrs-full:InterestExpense
1353 Interest Accretion Concept (Monetary) For Period Debit tsg:InterestAccretionOnDebt
1354 Total Interest Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnBankLoansAndOverdrafts
1355 101160 - Disclosure - Long-Term Debt - Additional Information (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureLongTermDebtAdditionalInformationDetails
1356 Disclosure Of Long Term Debt [Table] Table

*

*

 tsg:DisclosureOfLongTermDebtTable
1357 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1358 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1359 First Lien Term Loan Member tsg:FirstLienTermLoanMember
1360 Senior Notes Member tsg:SeniorNotesOneMember
1361 Revolving Credit Facilities Member tsg:RevolvingCreditFacilitiesMember
1362 USD First Lien Term Loan Member tsg:UnitedStatesDollarsFirstLienTermLoanMember
1363 Previous Revolving Facility Member tsg:PreviousRevolvingFacilityMember
1364 EUR First Lien Term Loan Member tsg:EuroFirstLienTermLoanMember
1365 Put-call option Member ifrs-full:OptionContractMember
1366 Range [axis] Axis ifrs-full:RangeAxis
1367 Ranges [member] Member ifrs-full:RangesMember
1368 Minimum Member ifrs-full:BottomOfRangeMember
1369 Maximum Member ifrs-full:TopOfRangeMember
1370 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
1371 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
1372 LIBOR Member tsg:LondonInterbankOfferedRateMember
1373 EURIBOR Member tsg:EuroInterbankOfferedRateMember
1374 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1375 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1376 Senior Notes due 2026 Member tsg:SeniorNotesDueTwoThousandAndTwentySixMember
1377 Senior Notes Member tsg:SeniorNotesOneMember
1378 USD Second Lien Term Loan Member tsg:UnitedStatesDollarsSecondLienTermLoanMember
1379 USD First Lien Term Loan Member tsg:UnitedStatesDollarsFirstLienTermLoanMember
1380 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
1381 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
1382 BetEasy Member tsg:BetEasyMember
1383 Crown Bet Holdings Pty Limited Member tsg:CrownBetHoldingsPtyLimitedMember
1384 Stars Interactive Group Member tsg:StarsInteractiveGroupMember
1385 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
1386 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
1387 Subsequent Event Member ifrs-full:MajorBusinessCombinationMember
1388 Disclosure Of Long Term Debt [Line Items] LineItems tsg:DisclosureOfLongTermDebtLineItems
1389 Loss on debt extinguishment Concept (Monetary) For Period Credit ifrs-full:GainLossArisingFromDifferenceBetweenCarryingAmountOfFinancialLiabilityExtinguishedAndConsiderationPaid
1390 Carrying amount of long-term debt Concept (Monetary) As Of Credit ifrs-full:Borrowings
1391 Proceeds from issue of debt Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssueOfBondsNotesAndDebentures
1392 Drawings on revolving credit facility Concept (Monetary) As Of Credit tsg:DrawingsOnRevolvingCreditFacility
1393 Long term debt repayment date Concept (Date) For Period tsg:LongTermDebtRepaymentDate
1394 Variation in interest rate margin Concept (Percent) As Of tsg:VariationInInterestRateMargin
1395 Commitment fee percentage Concept (Percent) For Period tsg:CommitmentFeePercentage
1396 Secured debt leverage ratio Concept (Percent) For Period tsg:SecuredDebtLeverageRatio
1397 Letter of credit issued Concept (Monetary) As Of Credit ifrs-full:NotesAndDebenturesIssued
1398 Current borrowings Concept (Monetary) As Of Credit ifrs-full:ShorttermBorrowings
1399 Percentage added to reference rate Concept (Percent) As Of ifrs-full:BorrowingsAdjustmentToInterestRateBasis
1400 Borrowings, maturity date Concept (Text/String) For Period ifrs-full:BorrowingsMaturity
1401 Floor rate Concept (Percent) As Of tsg:FloorRateAssociatedLongTermDebt
1402 Percentage of aggregate principal amount Concept (Percent) As Of tsg:PercentageOfAggregatePrincipalAmount
1403 Interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1404 Aggregate principal amount Concept (Monetary) As Of ifrs-full:NotionalAmount
1405 Senior notes, interest rate basis Concept (Text/String) For Period ifrs-full:BorrowingsInterestRateBasis
1406 Senior notes, Redemption date Concept (Date) For Period tsg:RedemptionDate
1407 Carrying value of embedded derivative Concept (Monetary) For Period Credit tsg:CarryingValueOfEmbeddedDerivative
1408 Fair value of embedded derivative Concept (Monetary) For Period Debit tsg:FairValueOfEmbeddedDerivative
1409 Percentage of equity interests acquired Concept (Percent) As Of ifrs-full:PercentageOfVotingEquityInterestsAcquired
1410 Financial liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilities
1411 Loan from minority shareholders Concept (Monetary) As Of Credit ifrs-full:LoansReceived
1412 Repayment of loan Concept (Monetary) For Period Credit tsg:RepaymentOfLoan
1413 Discharged loan from shareholder Concept (Monetary) For Period Credit tsg:DischargedLoanFromShareholder
1414 Loans from noncontrolling interests Concept (Monetary) As Of Credit tsg:LoansFromNoncontrollingInterests
1415 Equity contribution by noncontrolling interest Concept (Monetary) As Of Credit tsg:EquityContributionByNoncontrollingInterest
1416 Additional shareholder loan by non-controlling interest Concept (Monetary) For Period Credit tsg:AdditionalShareholderLoanByNonControllingInterest
1417 Loan outstanding balance Concept (Monetary) As Of Credit tsg:LoanOutstandingBalance
1418 Description for repayment of term loan Concept (Text/String) For Period tsg:DescriptionForRepaymentOfTermLoan
1419 Date of acquisition Concept (Date) For Period ifrs-full:DateOfAcquisition2013
1420 Termination costs on debt extinguishment Concept (Monetary) For Period Debit tsg:TerminationCostsOnDebtExtinguishment
1421 101170 - Disclosure - Long-Term Debt - Disclosure of the Movement of the Corporation's Long-Term Debt Balance (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureLongTermDebtDisclosureOfMovementOfCorporationSLongTermDebtBalanceDetails
1422 Disclosure Of Long Term Debt [Table] Table

*

*

 tsg:DisclosureOfLongTermDebtTable
1423 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1424 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1425 Revolving Credit Facilities Member tsg:RevolvingCreditFacilitiesMember
1426 USD First Lien Term Loan Member tsg:UnitedStatesDollarsFirstLienTermLoanMember
1427 EUR First Lien Term Loan Member tsg:EuroFirstLienTermLoanMember
1428 Senior Notes Member tsg:SeniorNotesOneMember
1429 Loan Payable to Non-controlling Interests Member tsg:LoanPayableToNonControllingInterestsMember
1430 Previous USD First Lien Term Loan Member tsg:PreviousUSDFirstLienTermLoanMember
1431 Previous EUR First Lien Term Loan Member tsg:PreviousEURFirstLienTermLoanMember
1432 USD Second Lien Term Loan Member tsg:UnitedStatesDollarsSecondLienTermLoanMember
1433 Disclosure Of Long Term Debt [Line Items] LineItems tsg:DisclosureOfLongTermDebtLineItems
1434 Opening Balance Concept (Monetary) As Of Credit tsg:CarryingAmountOfNetDebt
1435 Adjustment on adoption of IFRS 9 Concept (Monetary) For Period Credit tsg:AdjustmentOnAdoptionOfIFRS9
1436 New debt Concept (Monetary) For Period Credit tsg:NewDebt
1437 Debt repayments Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfNoncurrentBorrowings
1438 Adjustments to amortized cost * Concept (Monetary) For Period Debit tsg:AdjustmentsToDebtAmortizedCost
1439 Interest Accretion ** Concept (Monetary) For Period Credit tsg:DebtInterestAccretion
1440 Translation Concept (Monetary) For Period Credit tsg:DebtInstrumentTranslation
1441 Closing Concept (Monetary) As Of Credit tsg:CarryingAmountOfNetDebt
1442 101180 - Disclosure - Long-Term Debt - Disclosure of the Movement of the Corporation's Long-Term Debt Balance (Parenthetical) (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureLongTermDebtDisclosureOfMovementOfCorporationSLongTermDebtBalanceParentheticalDetails
1443 Implied Table Table

*

*

 implied:Table
1444 Disclosure Of Long Term Debt [Abstract] Abstract tsg:DisclosureOfLongTermDebtAbstract
1445 Deferred financing costs reclassified to prepaid expenses and other non-current assets Concept (Monetary) As Of Debit tsg:DeferredFinancingCostsReclassifiedToPrepaidExpensesAndOtherNonCurrentAssets
1446 Repayment of revolving credit facility Concept (Monetary) For Period Debit tsg:RepaymentOfRevolvingCreditFacility
1447 101190 - Disclosure - Long-Term Debt - Disclosure of Schedule of Principle Repayments of Long-Term Debt Over the Next Five Years (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureLongTermDebtDisclosureOfScheduleOfPrincipleRepaymentsOfLongTermDebtOverNextFiveYearsDetails
1448 Disclosure Of Long Term Debt [Table] Table

*

*

 tsg:DisclosureOfLongTermDebtTable
1449 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1450 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1451 Revolving Credit Facilities Member tsg:RevolvingCreditFacilitiesMember
1452 USD First Lien Term Loan Member tsg:UnitedStatesDollarsFirstLienTermLoanMember
1453 EUR First Lien Term Loan Member tsg:EuroFirstLienTermLoanMember
1454 Senior Notes Member tsg:SeniorNotesOneMember
1455 Loan Payable to Non-controlling Interests Member tsg:LoanPayableToNonControllingInterestsMember
1456 Disclosure Of Long Term Debt [Line Items] LineItems tsg:DisclosureOfLongTermDebtLineItems
1457 Less than 1 Year Concept (Monetary) As Of Credit tsg:LongTermDebtRepaymentsOfPrincipalInNextTwelveMonths
1458 1-2 Years Concept (Monetary) As Of Credit tsg:LongTermDebtRepaymentsOfPrincipalInYearTwo
1459 2-3 Years Concept (Monetary) As Of Credit tsg:LongTermDebtRepaymentsOfPrincipalInYearThree
1460 3-4 Years Concept (Monetary) As Of Credit tsg:LongTermDebtRepaymentsOfPrincipalInYearFour
1461 4-5 Years Concept (Monetary) As Of Credit tsg:LongTermDebtRepaymentsOfPrincipalInYearFive
1462 Greater than 5 Years Concept (Monetary) As Of Credit tsg:LongTermDebtRepaymentsOfPrincipalInFiveYearsAndGreater
1463 101200 - Disclosure - Derivatives and Hedge Accounting - Additional Information (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureDerivativesAndHedgeAccountingAdditionalInformationDetails
1464 Disclosure Of Derivatives [Table] Table

*

*

 tsg:DisclosureOfDerivativesTable
1465 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
1466 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
1467 SBG Member tsg:SBGMember
1468 BetEasy Member tsg:BetEasyMember
1469 Classes of financial liabilities [axis] Axis ifrs-full:ClassesOfFinancialLiabilitiesAxis
1470 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
1471 Cross-currency Swap and Interest Rate Swap Member tsg:CrossCurrencySwapAndInterestRateSwapMember
1472 Swap Agreement Member ifrs-full:SwapContractMember
1473 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1474 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1475 Swap Agreements Member ifrs-full:CurrencySwapContractMember
1476 First Lien Term Loan Member tsg:FirstLienTermLoanMember
1477 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
1478 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
1479 LIBOR Member tsg:LondonInterbankOfferedRateMember
1480 Floating Interest Rate Member ifrs-full:FloatingInterestRateMember
1481 Levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1482 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
1483 Level 3 Member ifrs-full:Level3OfFairValueHierarchyMember
1484 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1485 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1486 Put-call option Member ifrs-full:OptionContractMember
1487 EUR Cross-Currency Interest Rate Swaps Member tsg:EURCrossCurrencyInterestRateSwapsMember
1488 Range [axis] Axis ifrs-full:RangeAxis
1489 Ranges [member] Member ifrs-full:RangesMember
1490 Minimum Member ifrs-full:BottomOfRangeMember
1491 Maximum Member ifrs-full:TopOfRangeMember
1492 Reserves Axis ifrs-full:ComponentsOfEquityAxis
1493 Equity [member] Member ifrs-full:EquityMember
1494 Cash Flow Hedging Reserve Member ifrs-full:ReserveOfCashFlowHedgesMember
1495 Cumulative Translation Reserve Member ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember
1496 Disclosure Of Derivatives [Line Items] LineItems tsg:DisclosureOfDerivativesLineItems
1497 Derivative financial instrument cash settled Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilitiesUndiscountedCashFlows
1498 Derivative financial instrument cash payment Concept (Monetary) For Period Credit tsg:DerivativeFinancialInstrumentCashPayment
1499 Cross currency swap agreement notional amount Concept (Monetary) As Of Credit tsg:CrossCurrencySwapAgreementAmount
1500 Swap agreements maturity period Concept (Year/Month) For Period tsg:SwapAgreementsMaturityPeriod
1501 Fixed foreign exchange rate Concept (Decimal) For Period ifrs-full:AverageForeignExchangeRate
1502 Euro interest average rate Concept (Percent) As Of ifrs-full:AverageRateOfHedgingInstrument
1503 Interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1504 Cross currency interest rate swap settlement amount Concept (Monetary) For Period Debit tsg:CrossCurrencyInterestRateSwapSettlementAmount
1505 Implied credit spread at issuance Concept (Percent) For Period tsg:ImpliedCreditSpreadAtIssuance
1506 Fair value of the Embedded Derivative Concept (Monetary) As Of Debit ifrs-full:CreditDerivativeFairValue
1507 Proportion of additional ownership interest Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInAssociate
1508 Percentage of equity interest Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestsHeldByNoncontrollingInterests
1509 Percentage of remaining interests held by minority interest shareholders Concept (Percent) For Period tsg:ProportionOfRemainingOwnershipInterestsHeldByNoncontrollingInterests
1510 Derivative liabilities Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
1511 Realized loss included in foreign exchange earnings Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
1512 Percentage added to reference rate Concept (Percent) As Of ifrs-full:BorrowingsAdjustmentToInterestRateBasis
1513 Floor rate Concept (Percent) As Of tsg:FloorRate
1514 Accumulated other comprehensive loss Concept (Monetary) As Of Credit ifrs-full:AccumulatedOtherComprehensiveIncome
1515 101210 - Disclosure - Derivatives and Hedge Accounting - Summary of Fair Value of Derivatives (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureDerivativesAndHedgeAccountingSummaryOfFairValueOfDerivativesDetails
1516 Disclosure Of Financial Instruments [Table] Table

*

*

 ifrs-full:DisclosureOfFinancialInstrumentsTable
1517 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
1518 Hedges [member] Member ifrs-full:TypesOfHedgesMember
1519 Fair Value Hedges Member ifrs-full:FairValueHedgesMember
1520 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1521 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1522 Swap Agreements Member ifrs-full:CurrencySwapContractMember
1523 Interest rate swap Member ifrs-full:InterestRateSwapContractMember
1524 Forward Contracts Member ifrs-full:ForwardContractMember
1525 Unsettled Bets Member tsg:UnsettledBetsMember
1526 Embedded Derivative Member tsg:EmbeddedDerivativeMember
1527 Hedging instruments [axis] Axis ifrs-full:HedgingInstrumentsAxis
1528 Hedging instruments [member] Member ifrs-full:HedgingInstrumentsMember
1529 Derivatives Designated in Cash Flow Hedges Member tsg:DerivativesDesignatedAsHedgesMember
1530 Derivatives Designated in Net Investment Hedge Member tsg:DerivativesDesignatedInNetInvestmentHedgeMember
1531 Derivatives Held for Risk Management Not Designated in Hedges Member tsg:DerivativesHeldForRiskManagementNotDesignatedInHedgesMember
1532 Disclosure Of Financial Instruments [Line Items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1533 Derivative Assets Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
1534 Derivative Liabilities Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
1535 101220 - Disclosure - Derivatives and Hedge Accounting - Summary of Effects of Cash flow Hedges and Net Investment Hedges (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureDerivativesAndHedgeAccountingSummaryOfEffectsOfCashFlowHedgesAndNetInvestmentHedgesDetails
1536 Disclosure Of Derivatives [Table] Table

*

*

 tsg:DisclosureOfDerivativesTable
1537 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
1538 Hedges [member] Member ifrs-full:TypesOfHedgesMember
1539 Cash Flow Hedges Member ifrs-full:CashFlowHedgesMember
1540 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1541 Risks [member] Member ifrs-full:TypesOfRisksMember
1542 Floating Interest Rate Member ifrs-full:FloatingInterestRateMember
1543 Floating Rate Foreign Currency Debt Member tsg:FloatingRateForeignCurrencyDebtMember
1544 Disclosure Of Derivatives [Line Items] LineItems tsg:DisclosureOfDerivativesLineItems
1545 Change in value of hedged items for ineffectiveness measurement Concept (Monetary) For Period Credit ifrs-full:GainLossOnChangeInFairValueOfHedgedItemUsedAsBasisForRecognisingHedgeIneffectiveness
1546 Change in fair value of hedging instruments for ineffectiveness measurement Concept (Monetary) For Period Credit ifrs-full:GainLossOnChangeInFairValueOfHedgingInstrumentUsedAsBasisForRecognisingHedgeIneffectiveness
1547 Hedge ineffectiveness Concept (Monetary) For Period Credit ifrs-full:GainLossOnHedgeIneffectivenessRecognisedInProfitOrLoss
1548 Hedging gains (losses) recognized in other comprehensive income Concept (Monetary) For Period Credit ifrs-full:GainLossOnHedgeIneffectivenessRecognisedInOtherComprehensiveIncome
1549 Amount reclassified from accumulated other comprehensive income (loss) to earnings Concept (Monetary) For Period Debit tsg:AmountsReclassifiedFromAccumulatedOtherComprehensiveIncomeLossToEarnings
1550 Net change in other comprehensive income (loss) Concept (Monetary) For Period Credit ifrs-full:GainLossOnHedgeIneffectiveness
1551 101230 - Disclosure - Derivatives and Hedge Accounting - Summary of Reconciliation of Accumulated Other Comprehensive Income (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureDerivativesAndHedgeAccountingSummaryOfReconciliationOfAccumulatedOtherComprehensiveIncomeDetails
1552 Disclosure Of Derivatives [Table] Table

*

*

 tsg:DisclosureOfDerivativesTable
1553 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1554 Risks [member] Member ifrs-full:TypesOfRisksMember
1555 Cash Flow Hedges Member ifrs-full:CashFlowHedgesMember
1556 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
1557 Hedges [member] Member ifrs-full:TypesOfHedgesMember
1558 Floating Interest Rate Member ifrs-full:FloatingInterestRateMember
1559 Floating Rate Foreign Currency Debt Member tsg:FloatingRateForeignCurrencyDebtMember
1560 Disclosure Of Derivatives [Line Items] LineItems tsg:DisclosureOfDerivativesLineItems
1561 Accumulated other comprehensive income (loss), beginning of year Concept (Monetary) As Of Credit ifrs-full:AccumulatedOtherComprehensiveIncome
1562 Net changes in other comprehensive income (loss) Concept (Monetary) For Period Credit tsg:NetChangesInOtherComprehensiveIncomeLoss
1563 Accumulated other comprehensive income (loss), end of year Concept (Monetary) As Of Credit ifrs-full:AccumulatedOtherComprehensiveIncome
1564 Accumulated other comprehensive income (loss) on designated hedges Concept (Monetary) For Period Credit tsg:AccumulatedOtherComprehensiveIncomeLossOnDesignatedHedges
1565 Accumulated other comprehensive income (loss) on de-designated hedges Concept (Monetary) For Period Credit tsg:AccumulatedOtherComprehensiveIncomeLossOnDeDesignatedHedges
1566 101240 - Disclosure - Commitments - Additional Information (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureCommitmentsAdditionalInformationDetails
1567 Disclosure Of Finance Lease And Operating Lease By Lessor [Table] Table

*

*

 ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLessorTable
1568 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1569 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1570 Revolving Credit Facilities Member tsg:RevolvingCreditFacilitiesMember
1571 Disclosure Of Finance Lease And Operating Lease By Lessor [Line Items] LineItems ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLessorLineItems
1572 Future minimum lease payments under non-cancellable operating leases Concept (Monetary) As Of Credit ifrs-full:MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease
1573 Future minimum lease receipts under non-cancellable operating leases Concept (Monetary) As Of Debit ifrs-full:MinimumLeasePaymentsReceivableUnderNoncancellableOperatingLease
1574 Letter of credit issued Concept (Monetary) As Of Credit ifrs-full:NotesAndDebenturesIssued
1575 101250 - Disclosure - Commitments - Schedule Future Minimum Lease Payments Under Non-cancellable Operating Leases (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureCommitmentsScheduleFutureMinimumLeasePaymentsUnderNonCancellableOperatingLeasesDetails
1576 Disclosure Of Finance Lease And Operating Lease By Lessee [Table] Table

*

*

 ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeTable
1577 Maturity [axis] Axis ifrs-full:MaturityAxis
1578 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1579 Within One Year Member ifrs-full:NotLaterThanOneYearMember
1580 Later Than One Year but Not Later Than 5 Years Member ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
1581 More Than 5 Years Member ifrs-full:LaterThanFiveYearsMember
1582 Disclosure Of Finance Lease And Operating Lease By Lessee [Line Items] LineItems ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems
1583 Lease obligations Concept (Monetary) As Of Credit ifrs-full:MinimumFinanceLeasePaymentsPayable
1584 Other contractual commitments Concept (Monetary) As Of Credit tsg:MinimumOtherContractualLeaseCommitments
1585 Total Concept (Monetary) As Of Credit ifrs-full:MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease
1586 101260 - Disclosure - Commitments - Schedule Future Minimum Lease Receipts Under Non-cancellable Operating Leases (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureCommitmentsScheduleFutureMinimumLeaseReceiptsUnderNonCancellableOperatingLeasesDetails
1587 Disclosure Of Finance Lease And Operating Lease By Lessor [Table] Table

*

*

 ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLessorTable
1588 Maturity [axis] Axis ifrs-full:MaturityAxis
1589 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1590 Within One Year Member ifrs-full:NotLaterThanOneYearMember
1591 Later Than One Year but Not Later Than 5 Years Member ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
1592 More Than 5 Years Member ifrs-full:LaterThanFiveYearsMember
1593 Disclosure Of Finance Lease And Operating Lease By Lessor [Line Items] LineItems ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLessorLineItems
1594 Lease obligations Concept (Monetary) As Of Debit tsg:MinimumFinanceLeasePaymentsReceivable
1595 Total Concept (Monetary) As Of Debit ifrs-full:MinimumLeasePaymentsReceivableUnderNoncancellableOperatingLease
1596 101270 - Disclosure - Accounts Payable And Other Liabilities - Schedule of Accounts Payable and other liabilities (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureAccountsPayableAndOtherLiabilitiesScheduleOfAccountsPayableAndOtherLiabilitiesDetails
1597 Implied Table Table

*

*

 implied:Table
1598 Disclosure Of Other Payables [Abstract] Abstract tsg:DisclosureOfOtherPayablesAbstract
1599 Accounts payable and accrued liabilities Concept (Monetary) As Of Credit tsg:AccountsPayableAndAccruedLiabilities
1600 VAT payable Concept (Monetary) As Of Credit ifrs-full:CurrentValueAddedTaxPayables
1601 Customer loyalty rewards Concept (Monetary) As Of Credit tsg:CustomerLoyaltyRewards
1602 Employee benefits payable Concept (Monetary) As Of Credit ifrs-full:CurrentProvisionsForEmployeeBenefits
1603 Dormant funds Concept (Monetary) As Of Credit tsg:DormantFunds
1604 Accrued interest on Senior Notes Concept (Monetary) As Of Credit tsg:AccruedInterestOnSeniorNotes
1605 Total accounts payable and other current liabilities Concept (Monetary) As Of Credit tsg:AccountsPayableAndOtherLiabilities
1606 Long-term lease liability Concept (Monetary) As Of Credit tsg:LongTermLeaseLiability
1607 Deferred contingent payment Concept (Monetary) As Of Credit tsg:DeferredContingentPayment
1608 Total long-term payables Concept (Monetary) As Of Credit tsg:OtherLongTermLiabilities
1609 101280 - Disclosure - Provisions - Carrying Amounts and Movements in Provisions (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureProvisionsCarryingAmountsAndMovementsInProvisionsDetails
1610 Disclosure Of Other Provisions [Table] Table

*

*

 ifrs-full:DisclosureOfOtherProvisionsTable
1611 Classes of other provisions [axis] Axis ifrs-full:ClassesOfProvisionsAxis
1612 Other provisions [member] Member ifrs-full:OtherProvisionsMember
1613 Player Bonuses and Jackpots Member tsg:PlayerBonusesAndJackpotsMember
1614 Deferred Payment Provision Member tsg:DeferredPaymentProvisionMember
1615 Restructuring Provision Member ifrs-full:RestructuringProvisionMember
1616 Other Member ifrs-full:MiscellaneousOtherProvisionsMember
1617 Disclosure Of Other Provisions [Line Items] LineItems ifrs-full:DisclosureOfOtherProvisionsLineItems
1618 Balance Opening Concept (Monetary) As Of Credit ifrs-full:Provisions
1619 Provisions acquired in business combinations Concept (Monetary) For Period Credit ifrs-full:AcquisitionsThroughBusinessCombinationsOtherProvisions
1620 Recognized Concept (Monetary) For Period Credit tsg:OtherProvisionsRecognized
1621 Adjustment to provision recognized Concept (Monetary) For Period Credit tsg:AdjustmentToProvisionRecognized
1622 Payments Concept (Monetary) For Period Debit ifrs-full:ProvisionUsedOtherProvisions
1623 Accretion of discount Concept (Monetary) For Period Credit tsg:OtherProvisionsAccretionOfDiscount
1624 Reclassification Concept (Monetary) For Period Debit tsg:OtherProvisionsReclassification
1625 Foreign exchange translation losses Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions
1626 Balance Ending Concept (Monetary) As Of Credit ifrs-full:Provisions
1627 Current portion Concept (Monetary) As Of Credit ifrs-full:CurrentProvisions
1628 Non-current portion Concept (Monetary) As Of Credit ifrs-full:NoncurrentProvisions
1629 101290 - Disclosure - Customer Deposits - Summary of Customer Deposits Segregation (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureCustomerDepositsSummaryOfCustomerDepositsSegregationDetails
1630 Disclosure Of Customer Deposits [Table] Table

*

*

 tsg:DisclosureOfCustomerDepositsTable
1631 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
1632 Assets [member] Member ifrs-full:ClassesOfAssetsMember
1633 Customer Deposits Member tsg:CustomerDepositsMember
1634 Disclosure Of Customer Deposits [Line Items] LineItems tsg:DisclosureOfCustomerDepositsLineItems
1635 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1636 Current investments Concept (Monetary) As Of Debit ifrs-full:CurrentInvestments
1637 Total Concept (Monetary) As Of Debit tsg:DepositsFromCustomer
1638 Customer deposits Concept (Monetary) As Of Credit ifrs-full:CurrentDepositsFromCustomers
1639 101300 - Disclosure - Share Capital - Additional Information (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureShareCapitalAdditionalInformationDetails
1640 Disclosure Of Classes Of Share Capital [Table] Table

*

*

 ifrs-full:DisclosureOfClassesOfShareCapitalTable
1641 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
1642 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
1643 Convertible Preferred Shares Member tsg:ConvertiblePreferredSharesMember
1644 Common Shares Member ifrs-full:OrdinarySharesMember
1645 Valuation techniques used in fair value measurement [axis] Axis ifrs-full:ValuationTechniquesUsedInFairValueMeasurementAxis
1646 Valuation techniques [member] Member ifrs-full:ValuationTechniquesMember
1647 Black-Scholes Valuation Model Member ifrs-full:OptionPricingModelMember
1648 Reserves Axis ifrs-full:ComponentsOfEquityAxis
1649 Equity [member] Member ifrs-full:EquityMember
1650 Equity-based Award Settlement Member tsg:EquityAwardSettlementsMember
1651 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
1652 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
1653 BetEasy Member tsg:BetEasyMember
1654 SBG Member tsg:SBGMember
1655 Chartwell Member tsg:ChartwellTechnologyIncMember
1656 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1657 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1658 Eldorado Resorts Inc Member tsg:EldoradoResortsIncMember
1659 Disclosure Of Classes Of Share Capital [Line Items] LineItems ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
1660 Number of common shares in the authorized share capital Concept (Text/String) For Period tsg:NumberOfCommonSharesInAuthorisedCapital
1661 Number of convertible preferred shares in the authorized share capital Concept (Text/String) For Period tsg:NumberOfConvertiblePreferredSharesInAuthorisedCapital
1662 Par value per share Concept (Share) As Of tsg:ParValueOfAuthorizedShareCapital
1663 Number of shares issued and fully paid Concept (Shares) As Of ifrs-full:NumberOfSharesIssuedAndFullyPaid
1664 Public offering of common shares Concept (Share) For Period tsg:UnderwrittenPublicOfferingPricePerShare
1665 Common stock shares sold Concept (Shares) For Period tsg:CommonStockSharesSold
1666 Net proceeds excluding over-allotment Concept (Monetary) For Period Debit tsg:NetProceeds
1667 Purchase additional common shares Concept (Shares) For Period tsg:AdditionalCommonSharesPurchased
1668 Conversion of preference share into common stock Concept (Share) For Period tsg:ConversionOfPreferenceShareIntoCommonStock
1669 Cancellation of preferred shares Concept (Monetary) For Period Credit tsg:CancellationOfPreferredShares
1670 Number of common shares issued upon exercise of options Concept (Shares) As Of tsg:NumberOfCommonSharesIssuedUponExerciseOfOptions
1671 Cash consideration received upon exercise of options Concept (Monetary) For Period Debit tsg:CashConsiderationReceivedUponExerciseOfCommonShareOptions
1672 Fair value of options measured using valuation technique Concept (Monetary) For Period tsg:FairValueOfOptionsMeasuredUsingValuationTechnique
1673 Number of common shares issued upon settlement of equity-based awards Concept (Shares) As Of tsg:NumberOfCommonSharesIssuedUponSettlementOfEquityBasedAward
1674 Number of common shares issued upon exercise of warrants Concept (Shares) As Of tsg:NumberOfCommonSharesIssuedUponExerciseOfWarrants
1675 Number of warrants exercised Concept (Shares) For Period tsg:NumberOfWarrantsExercised
1676 Number of outstanding warrants Concept (Shares) As Of tsg:NumberOfWarrantsOutstanding
1677 Fair value of warrants measured using valuation technique Concept (Monetary) For Period tsg:FairValueOfWarrantsMeasuredUsingValuationTechnique
1678 Common shares issued upon voluntary conversion Concept (Shares) For Period tsg:CommonSharesIssuedUponVoluntaryConversion
1679 Number of preferred shares convertible into common shares Concept (Shares) As Of tsg:NumberOfPreferredSharesConvertibleIntoCommonShares
1680 Fair value of converted preferred shares Concept (Monetary) For Period Credit tsg:FairValueOfConvertedPreferredShares
1681 Common shares issued upon voluntary conversion sold in equity offering Concept (Shares) For Period tsg:CommonSharesIssuedUponVoluntaryConversionSoldInEquityOffering
1682 Number of common stock issued Concept (Shares) As Of ifrs-full:NumberOfSharesIssued
1683 Newly issued common shares consideration Concept (Monetary) As Of Credit ifrs-full:EquityInterestsOfAcquirer
1684 Percentage of equity interests acquired Concept (Percent) As Of ifrs-full:PercentageOfVotingEquityInterestsAcquired
1685 Issue of Common Shares in connection with market access agreement, shares Concept (Shares) For Period tsg:IncreaseDecreaseInNumberOfSharesThroughConnectionWithMarketAccessAgreement
1686 Issue of Common Shares in connection with market access agreement Concept (Monetary) For Period Credit tsg:IncreaseDecreaseInConnectionWithMarketAccessAgreement
1687 Cancellation of common stock related to acquisition Concept (Shares) For Period tsg:CancellationOfCommonStockRelatedToAcquisition
1688 101310 - Disclosure - Share Capital - Summary of Share Capital (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureShareCapitalSummaryOfShareCapitalDetails
1689 Disclosure Of Classes Of Share Capital [Table] Table

*

*

 ifrs-full:DisclosureOfClassesOfShareCapitalTable
1690 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
1691 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
1692 Common Shares Member ifrs-full:OrdinarySharesMember
1693 Preferred Shares Member ifrs-full:PreferenceSharesMember
1694 Disclosure Of Classes Of Share Capital [Line Items] LineItems ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
1695 Beginning balance, shares Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
1696 Exercise of stock options and other equity awards, shares Concept (Shares) For Period tsg:IncreaseDecreaseInNumberOfSharesThroughExerciseOfStockOptionsAndOtherEquityAwards
1697 Exercise of warrants, shares Concept (Shares) For Period tsg:IncreaseDecreaseInNumberOfSharesThroughExerciseOfWarrants
1698 Repurchase of Common Shares, shares Concept (Shares) For Period tsg:IncreaseDecreaseInNumberOfSharesThroughRepurchaseOfCommonShares
1699 Conversion of Preference Shares, shares Concept (Shares) For Period tsg:IncreaseDecreaseInNumberOfSharesThroughConversionOfConvertibleInstruments
1700 Issuance of Common Shares in connection with acquired subsidiaries, shares Concept (Shares) For Period tsg:IncreaseDecreaseInNumberOfSharesThroughAcquisitionOfSubsidiary
1701 Issuance of Common Shares in connection with Equity Offering, shares Concept (Shares) For Period tsg:IncreaseDecreaseInNumberOfSharesThroughIssuanceOfEquity
1702 Issue of Common Shares in connection with market access agreement, shares Concept (Shares) For Period tsg:IncreaseDecreaseInNumberOfSharesThroughConnectionWithMarketAccessAgreement
1703 Ending balance, shares Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
1704 Beginning balance Concept (Monetary) As Of Credit ifrs-full:Equity
1705 Exercise of stock options and other equity awards Concept (Monetary) For Period Credit tsg:IncreaseDecreaseThroughExerciseOfStockOptionsAndOtherEquityAwards
1706 Repurchase of Common Shares Concept (Monetary) For Period Debit ifrs-full:PurchaseOfTreasuryShares
1707 Exercise of warrants Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughExerciseOfWarrantsEquity
1708 Conversion of Preferred Shares to Common Shares Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughConversionOfConvertibleInstruments
1709 Issue of Common Shares in connection with acquired subsidiaries Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughAcquisitionOfSubsidiary
1710 Issuance of Common Shares in connection with Equity Offering Concept (Monetary) For Period Credit tsg:IssuanceOfCommonSharesInConnectionWithEquityOffering
1711 Issue of Common Shares in connection with market access agreement Concept (Monetary) For Period Credit tsg:IncreaseDecreaseInConnectionWithMarketAccessAgreement
1712 Equity fees Concept (Monetary) For Period Debit ifrs-full:ShareIssueRelatedCost
1713 Reversal of 2014 deferred tax Concept (Monetary) For Period Debit tsg:ReversalOf2014DeferredTax
1714 Ending balance Concept (Monetary) As Of Credit ifrs-full:Equity
1715 101320 - Disclosure - Reserves - Summary of Class of Reserves (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureReservesSummaryOfClassOfReservesDetails
1716 Disclosure Of Reserves Within Equity [Table] Table

*

*

 ifrs-full:DisclosureOfReservesWithinEquityTable
1717 Reserves within equity [axis] Axis ifrs-full:ReservesWithinEquityAxis
1718 Other reserves [member] Member ifrs-full:OtherReservesMember
1719 Reserves Member tsg:ReservesMember
1720 Reserves Axis ifrs-full:ComponentsOfEquityAxis
1721 Equity [member] Member ifrs-full:EquityMember
1722 Acquisition Reserve Member tsg:AcquisitionReserveMember
1723 Warrants Member tsg:WarrantsMember
1724 Equity Member tsg:EquityAwardsMember
1725 Treasury Member ifrs-full:TreasurySharesMember
1726 Cumulative Translation Reserve Member ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember
1727 Available for Sale Investments Member ifrs-full:ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssetsMember
1728 Financial Assets at FVOCI Member tsg:FinancialAssetsAtFVOCIMember
1729 Other Member tsg:OtherMember
1730 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
1731 Hedges [member] Member ifrs-full:TypesOfHedgesMember
1732 Cash Flow Hedges Member ifrs-full:CashFlowHedgesMember
1733 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
1734 Currently stated [member] Member ifrs-full:RestatedMember
1735 Impact of adoption of IFRS 9 Member ifrs-full:IncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIFRSsMember
1736 Restated for IFRS 9 Member tsg:RevisedForIFRS9Member
1737 Effect of overlay approach reclassification [axis] Axis ifrs-full:EffectOfOverlayApproachReclassificationAxis
1738 In accordance with IFRS 9 [member] Member ifrs-full:InAccordanceWithIFRS9Member
1739 Reclassification Member ifrs-full:EffectOfOverlayApproachReclassificationMember
1740 Disclosure Of Reserves Within Equity [Line Items] LineItems ifrs-full:DisclosureOfReservesWithinEquityLineItems
1741 Beginning balance Concept (Monetary) As Of Credit ifrs-full:Equity
1742 Cumulative translation adjustments Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
1743 Stock-based compensation Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
1744 Exercise of equity awards Concept (Monetary) For Period Credit tsg:IncreaseDecreaseThroughExerciseOfEquityAwards
1745 Reclassification (see below) Concept (Monetary) For Period Credit tsg:ReclassificationOnReserves
1746 Deferred Tax on stock-based compensation Concept (Monetary) For Period Credit tsg:DeferredTaxAssetRelatedToStockBasedCompensation
1747 Other Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity
1748 Re-allocation from warrants reserve to share capital for exercised warrants Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughExerciseOfWarrantsEquity
1749 Exercise of stock options Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughExerciseOfOptions
1750 Realized (losses) gains Concept (Monetary) For Period Credit tsg:RealizedGainsLosses
1751 Unrealized (losses) gains Concept (Monetary) For Period Credit tsg:UnrealizedGainsLosses
1752 Deferred Tax on Re-measurements Concept (Monetary) For Period Credit tsg:DeferredTaxOnReMeasurements
1753 Reversal of deferred tax on stock-based compensation Concept (Monetary) For Period Debit tsg:ReversalOfDeferredTaxOnStockBasedCompensation
1754 Impairment of debt instruments at FVOCI Concept (Monetary) For Period Debit tsg:ImpairmentOfDebtInstrumentsAtFVOCI
1755 Issue of Common Shares in connection with acquired subsidiaries Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughAcquisitionOfSubsidiary
1756 Ending balance Concept (Monetary) As Of Credit ifrs-full:Equity
1757 101330 - Disclosure - Reserves - Additional Information (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureReservesAdditionalInformationDetails
1758 Disclosure Of Reserves Within Equity [Table] Table

*

*

 ifrs-full:DisclosureOfReservesWithinEquityTable
1759 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
1760 Currently stated [member] Member ifrs-full:RestatedMember
1761 Restated for IFRS 9 Member tsg:RevisedForIFRS9Member
1762 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
1763 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
1764 Subsequent Event Member ifrs-full:MajorBusinessCombinationMember
1765 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
1766 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
1767 BetEasy Member tsg:BetEasyMember
1768 TSGA Member tsg:TSGAMember
1769 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1770 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
1771 2010 Stock Option Plan And 2015 Equity Incentive Plan Member tsg:TwoThousandTenStockOptionPlanAndTwoThousandFifteenEquityIncentivePlanMember
1772 Range [axis] Axis ifrs-full:RangeAxis
1773 Ranges [member] Member ifrs-full:RangesMember
1774 Minimum Member ifrs-full:BottomOfRangeMember
1775 Maximum Member ifrs-full:TopOfRangeMember
1776 Disclosure Of Reserves Within Equity [Line Items] LineItems ifrs-full:DisclosureOfReservesWithinEquityLineItems
1777 Reclassification made for correct errors in the reserves Concept (Monetary) For Period Credit tsg:ReclassificationMadeForCorrectReserveAdjustments
1778 Reserves Concept (Monetary) As Of Credit ifrs-full:OtherReserves
1779 Percentage of equity interests acquired Concept (Percent) As Of ifrs-full:PercentageOfVotingEquityInterestsAcquired
1780 Additional equity interest acquired Concept (Percent) As Of tsg:AdditionalEquityInterestAcquired
1781 Number of options, Issued Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
1782 Outstanding stock option exercisable price per share Concept (Share) For Period tsg:ExercisePriceOfOutstandingShareOptions1
1783 Weighted average remaining contractual life of outstanding share options Concept (Decimal) As Of ifrs-full:WeightedAverageRemainingContractualLifeOfOutstandingShareOptions
1784 Weighted average price of options exercised Concept (Share) For Period tsg:WeightedAverageExercisePriceOfOptionsExercisedInShareBasedPaymentArrangement1
1785 Compensation expense Concept (Monetary) For Period Debit tsg:ShareBasedCompensationExpense
1786 Compensation cost not yet recognized Concept (Monetary) As Of Debit tsg:EmployeeServiceShareBasedCompensationNonVestedAwardCompensationCostNotYetRecognizedStockOptions
1787 Stock option, grant date fair value Concept (Monetary) For Period Credit tsg:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsDuringPeriodGrantDateFairValue
1788 Public trading history period taken for estimated volatility Concept (xbrli:durationItemType) For Period tsg:PublicTradingHistoryPeriodTakenForEstimatingExpectedVolatility
1789 Performance share unit additional share issued limit Concept (Percent) For Period tsg:PerformanceShareUnitAdditionalShareIssuedLimit
1790 Dividends declared Concept (Monetary) For Period Debit tsg:DividendsDeclared
1791 101340 - Disclosure - Reserves - Schedule of Outstanding Stock Options (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureReservesScheduleOfOutstandingStockOptionsDetails
1792 Implied Table Table

*

*

 implied:Table
1793 Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Abstract] Abstract ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract
1794 Number of options, Beginning balance Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
1795 Number of options, Issued Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
1796 Number of options, Exercised Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
1797 Number of options, Forfeited Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement
1798 Number of options, Ending balance Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
1799 Weighted average exercise price, Beginning balance Concept (Share) As Of tsg:WeightedAverageExercisePriceOfShareOptionsOutstandingInShareBasedPaymentArrangement1
1800 Weighted average exercise price, Issued Concept (Share) For Period tsg:WeightedAverageExercisePriceOfShareOptionsGrantedInShareBasedPaymentArrangement1
1801 Weighted average exercise price, Exercised Concept (Share) For Period tsg:WeightedAverageExercisePriceOfShareOptionsExercisedInShareBasedPaymentArrangement1
1802 Weighted average exercise price, Forfeited Concept (Share) For Period tsg:WeightedAverageExercisePriceOfShareOptionsForfeitedInShareBasedPaymentArrangement1
1803 Weighted average exercise price, Ending balance Concept (Share) As Of tsg:WeightedAverageExercisePriceOfShareOptionsOutstandingInShareBasedPaymentArrangement1
1804 101350 - Disclosure - Reserves - Summary of Exercisable Options Per Stock Option (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureReservesSummaryOfExercisableOptionsPerStockOptionDetails
1805 Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Table] Table

*

*

 ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
1806 Ranges of exercise prices for outstanding share options [axis] Axis ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsAxis
1807 Ranges of exercise prices for outstanding share options [member] Member ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsMember
1808 0.01 to 8.00 Member tsg:ExercisePriceRangeOneMember
1809 8.01 to 16.00 Member tsg:ExercisePriceRangeTwoMember
1810 16.01 to 24.00 Member tsg:ExercisePriceRangeThreeMember
1811 24.01 to 32.00 Member tsg:ExercisePriceRangeFourMember
1812 32.01 to 40.00 Member tsg:ExercisePriceRangeFiveMember
1813 Range [axis] Axis ifrs-full:RangeAxis
1814 Ranges [member] Member ifrs-full:RangesMember
1815 Minimum Member ifrs-full:BottomOfRangeMember
1816 Maximum Member ifrs-full:TopOfRangeMember
1817 Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] LineItems ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
1818 Number of options, Outstanding options Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
1819 Weighted average outstanding maturity period (years), Outstanding options Concept (xbrli:durationItemType) For Period tsg:ShareBasedCompensationShareAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2
1820 Number of options, Exercisable options Concept (Decimal) As Of ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement
1821 Exercise price, Exercisable options Concept (xbrli:durationItemType) For Period tsg:ShareBasedCompensationShareAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2
1822 101360 - Disclosure - Reserves - Summary of Weighted-Average Assumption for Stock Option Grants (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureReservesSummaryOfWeightedAverageAssumptionForStockOptionGrantsDetails
1823 Implied Table Table

*

*

 implied:Table
1824 Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Abstract] Abstract ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract
1825 Expected volatility Concept (Percent) For Period ifrs-full:DescriptionOfExpectedVolatilityShareOptionsGranted
1826 Expected life Concept (xbrli:durationItemType) For Period tsg:ExpectedLifeShareOptionsGranted
1827 Expected forfeiture rate Concept (Percent) For Period tsg:ExpectedForfeitureRateShareOptionsGranted
1828 Risk-free interest rate Concept (Percent) For Period ifrs-full:DescriptionOfRiskFreeInterestRateShareOptionsGranted
1829 Dividend yield Concept (Share) For Period tsg:DividendYieldShareOptionsGranted
1830 Weighted average share price Concept (Monetary) For Period ifrs-full:WeightedAverageSharePriceShareOptionsGranted
1831 Weighted average fair value of options at grant date Concept (Monetary) As Of Credit ifrs-full:WeightedAverageFairValueAtMeasurementDateShareOptionsGranted
1832 101370 - Disclosure - Reserves - Schedule of Outstanding RSUs (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureReservesScheduleOfOutstandingRsusDetails
1833 Disclosure Of Reserves Within Equity [Table] Table

*

*

 ifrs-full:DisclosureOfReservesWithinEquityTable
1834 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1835 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
1836 RSUs Member tsg:RestrictedShareUnitsMember
1837 Disclosure Of Reserves Within Equity [Line Items] LineItems ifrs-full:DisclosureOfReservesWithinEquityLineItems
1838 Number of units, Beginning Balance Concept (Decimal) As Of ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1839 Number of units, Issued Concept (Decimal) For Period ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted
1840 Number of units, Vested and Settled Concept (Decimal) For Period ifrs-full:NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
1841 Number of units, Forfeited Concept (Decimal) For Period ifrs-full:NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement
1842 Number of units, Ending Balance Concept (Decimal) As Of ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1843 Weighted average exercise price, Beginning balance Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1844 Weighted average exercise price, Issued Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement
1845 Weighted average exercise price, Vested and Settled Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
1846 Weighted average exercise price, Forfeited Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement
1847 Weighted average exercise price, Ending balance Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1848 101380 - Disclosure - Reserves - Schedule of Outstanding PSUs and Bonus PSUs (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureReservesScheduleOfOutstandingPsusAndBonusPsusDetails
1849 Disclosure Of Reserves Within Equity [Table] Table

*

*

 ifrs-full:DisclosureOfReservesWithinEquityTable
1850 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1851 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
1852 PSUs Member tsg:PerformanceShareUnitsAndBonusPerformanceShareUnitsMember
1853 Disclosure Of Reserves Within Equity [Line Items] LineItems ifrs-full:DisclosureOfReservesWithinEquityLineItems
1854 Number of units, Beginning Balance Concept (Decimal) As Of ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1855 Number of units, Issued Concept (Decimal) For Period ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted
1856 Number of units, Vested and Settled Concept (Decimal) For Period ifrs-full:NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
1857 Number of units, Forfeited Concept (Decimal) For Period ifrs-full:NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement
1858 Number of units, Ending Balance Concept (Decimal) As Of ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1859 Weighted average exercise price, Beginning balance Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1860 Weighted average exercise price, Issued Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement
1861 Weighted average exercise price, Vested and Settled Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
1862 Weighted average exercise price, Forfeited Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement
1863 Weighted average exercise price, Ending balance Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1864 101390 - Disclosure - Reserves - Schedule of Outstanding DSUs (Details) Network

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*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureReservesScheduleOfOutstandingDsusDetails
1865 Disclosure Of Reserves Within Equity [Table] Table

*

*

 ifrs-full:DisclosureOfReservesWithinEquityTable
1866 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1867 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
1868 DSUs Member tsg:DeferredShareUnitsMember
1869 Disclosure Of Reserves Within Equity [Line Items] LineItems ifrs-full:DisclosureOfReservesWithinEquityLineItems
1870 Number of units, Beginning Balance Concept (Decimal) As Of ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1871 Number of units, Issued Concept (Decimal) For Period ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted
1872 Number of units, Vested and Settled Concept (Decimal) For Period ifrs-full:NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
1873 Number of units, Forfeited Concept (Decimal) For Period ifrs-full:NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement
1874 Number of units, Ending Balance Concept (Decimal) As Of ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1875 Weighted average exercise price, Beginning balance Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1876 Weighted average exercise price, Issued Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement
1877 Weighted average exercise price, Vested and Settled Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
1878 Weighted average exercise price, Forfeited Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement
1879 Weighted average exercise price, Ending balance Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1880 101400 - Disclosure - Reserves- Schedule of Outstanding Warrants (Details) Network

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1881 Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Table] Table

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*

 ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
1882 Reserves Axis ifrs-full:ComponentsOfEquityAxis
1883 Equity [member] Member ifrs-full:EquityMember
1884 Warrants Member tsg:WarrantsMember
1885 Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] LineItems ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
1886 Number of units, Beginning Balance Concept (Decimal) As Of ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1887 Number of units, Issued Concept (Decimal) For Period ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted
1888 Number of warrants, Exercised Concept (Decimal) For Period ifrs-full:NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
1889 Number of warrants, Expired Concept (Decimal) For Period ifrs-full:NumberOfOtherEquityInstrumentsExpiredInSharebasedPaymentArrangement
1890 Number of units, Ending Balance Concept (Decimal) As Of ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1891 Weighted average exercise price, Beginning balance Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1892 Weighted average exercise price, Issued Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement
1893 Weighted average exercise price, Vested and Settled Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
1894 Weighted average exercise price, Expired Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsExpiredInSharebasedPaymentArrangement
1895 Weighted average exercise price, Ending balance Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1896 101410 - Disclosure - Fair Value - Summary of Fair Values of Financial Assets and Liabilities (Details) Network

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 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureFairValueSummaryOfFairValuesOfFinancialAssetsAndLiabilitiesDetails
1897 Disclosure Of Fair Value Measurement Of Assets And Liabilities [Table] Table

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*

 tsg:DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTable
1898 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1899 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1900 Bonds – FVOCI Member tsg:BondsFVOCIMember
1901 Equity in Unquoted Companies – FVTPL Member tsg:EquityInUnquotedCompaniesFVTPLMember
1902 Funds Member tsg:FundsMember
1903 Bonds Member tsg:BondMember
1904 Equity in Unquoted Companies Member tsg:EquityInUnquotedCompaniesMember
1905 Equity in Quoted Companies Member tsg:EquityInQuotedCompaniesMember
1906 Levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1907 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
1908 Level 1 Member ifrs-full:Level1OfFairValueHierarchyMember
1909 Level 2 Member ifrs-full:Level2OfFairValueHierarchyMember
1910 Level 3 Member ifrs-full:Level3OfFairValueHierarchyMember
1911 Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] LineItems tsg:DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesLineItems
1912 Financial assets available for sale Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAvailableforsale
1913 Total fair value through profit/loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
1914 Derivative Assets Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
1915 Total financial assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValue
1916 Derivative Liabilities Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
1917 Provisions Concept (Monetary) As Of Credit tsg:NonContingentProvisionsClassifiedAsFinancialLiabilities
1918 Deferred contingent payment Concept (Monetary) As Of Credit tsg:DeferredContingentPayment
1919 Other long-term liabilities - FVTPL Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentFinancialLiabilities
1920 Total financial liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValue
1921 101420 - Disclosure - Fair Value - Summary of Fair Value of Other Financial Assets and Liabilities Measured at Amortized Cost (Details) Network

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 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureFairValueSummaryOfFairValueOfOtherFinancialAssetsAndLiabilitiesMeasuredAtAmortizedCostDetails
1922 Disclosure Of Fair Value Measurement Of Assets And Liabilities [Table] Table

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*

 tsg:DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTable
1923 Classes of financial liabilities [axis] Axis ifrs-full:ClassesOfFinancialLiabilitiesAxis
1924 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
1925 First Lien Term Loan Member tsg:FirstLienTermLoanMember
1926 Senior Notes Member tsg:SeniorNotesOneMember
1927 Previous First Lien Term Loans Member tsg:PreviousFirstLienTermLoansMember
1928 USD Second Lien Term Loan Member tsg:UnitedStatesDollarsSecondLienTermLoanMember
1929 Levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1930 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
1931 Level 1 Member ifrs-full:Level1OfFairValueHierarchyMember
1932 Level 2 Member ifrs-full:Level2OfFairValueHierarchyMember
1933 Level 3 Member ifrs-full:Level3OfFairValueHierarchyMember
1934 Disclosure Of Fair Value Measurement Of Assets And Liabilities Measure At Amortized Cost [Line Items] LineItems tsg:DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesMeasureAtAmortizedCostLineItems
1935 Total financial liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtAmortisedCost
1936 101430 - Disclosure - Fair Value - Additional Information (Details) Network

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*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureFairValueAdditionalInformationDetails
1937 Disclosure Of Fair Value Measurement Of Assets And Liabilities [Table] Table

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*

 tsg:DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTable
1938 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
1939 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
1940 Minimum Member ifrs-full:BottomOfRangeMember
1941 Maximum Member ifrs-full:TopOfRangeMember
1942 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
1943 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
1944 BetEasy Member tsg:BetEasyMember
1945 Levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1946 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
1947 Level 3 Liability Member tsg:Level3LiabilityMember
1948 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1949 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1950 Deferred Contingent Payment Member tsg:DeferredContingentPaymentMember
1951 Embedded Derivative Member tsg:EmbeddedDerivativeMember
1952 Liability Innova EBITDA Support Agreement Member tsg:InnovaEBITDASupportAgreementMember
1953 Support Agreement Member tsg:SupportAgreementMember
1954 Disclosure Of Fair Value Measurement Of Assets And Liabilities That Are Classified As Level 3 In Fair Value Hierarchy [Line Items] LineItems tsg:DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesThatAreClassifiedAsLevel3InFairValueHierarchyLineItems
1955 Transfers between levels of fair value hierarchy Concept (Monetary) For Period Debit ifrs-full:TransfersIntoLevel3OfFairValueHierarchyAssets
1956 Percentage of equity interests acquired Concept (Percent) As Of ifrs-full:PercentageOfVotingEquityInterestsAcquired
1957 Fair value input, discount rate Concept (Percent) For Period tsg:FairValueInputDiscountRate
1958 Estimated volatility Concept (Percent) For Period tsg:EstimatedVolatility
1959 Estimated fair value input discount rate Concept (Percent) For Period tsg:EstimatedFairValueInputDiscountRate
1960 Impact on fair value due to increase in estimated volatility rate Concept (Monetary) For Period Credit tsg:ImpactOnFairValueDueToIncreaseInEstimatedVolatilityRate
1961 Impact on fair value due to decrease in estimated volatility rate Concept (Monetary) For Period Debit tsg:ImpactOnFairValueDueToDecreaseInEstimatedVolatilityRate
1962 Impact on fair value due to increase in estimated volatility rate Concept (Monetary) For Period Credit tsg:ImpactOnFairValueDueTo10BasisPointIncreaseInImpliedCreditSpread
1963 Impact on fair value due to decrease in estimated volatility rate Concept (Monetary) For Period Debit tsg:ImpactOnFairValueDueTo10BasisPointDecreaseInImpliedCreditSpread
1964 Implied credit spread on fair value Concept (Text/String) For Period tsg:IncreaseOrDecreaseInImpliedCreditOnFairValue
1965 Implied credit spread at issuance Concept (Percent) For Period tsg:ImpliedCreditSpreadAtIssuance
1966 Fair value of license agreement Concept (Monetary) As Of Debit tsg:FairValueOfLicenseAgreement
1967 101440 - Disclosure - Fair Value - Schedule of Reconciliation of Level 3 Fair Values (Details) Network

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*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureFairValueScheduleOfReconciliationOfLevel3FairValuesDetails
1968 Disclosure Of Fair Value Measurement Of Assets And Liabilities [Table] Table

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*

 tsg:DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTable
1969 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1970 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1971 Equity Member ifrs-full:EquityInvestmentsMember
1972 Level 3 Promissory Note Member tsg:Level3PromissoryNoteMember
1973 Embedded Derivative Member tsg:EmbeddedDerivativeMember
1974 Levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1975 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
1976 Level 3 Member ifrs-full:Level3OfFairValueHierarchyMember
1977 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
1978 Currently stated [member] Member ifrs-full:RestatedMember
1979 Restated Member tsg:RestatedOneMember
1980 Classes of financial liabilities [axis] Axis ifrs-full:ClassesOfFinancialLiabilitiesAxis
1981 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
1982 Deferred Contingent Payment Member tsg:DeferredContingentPaymentMember
1983 Unsettled Bets Member tsg:UnsettledBetsMember
1984 Other Member tsg:OtherMember
1985 Disclosure Of Fair Value Measurement Of Assets And Liabilities That Are Classified As Level 3 In Fair Value Hierarchy [Line Items] LineItems tsg:DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesThatAreClassifiedAsLevel3InFairValueHierarchyLineItems
1986 Beginning Balance Concept (Monetary) As Of Debit ifrs-full:Assets
1987 Transfers into Level 3 Concept (Monetary) For Period Credit ifrs-full:TransfersOutOfLevel3OfFairValueHierarchyAssets
1988 Re-measurement of fair value Concept (Monetary) For Period Credit tsg:IncreaseDecreaseInReMeasurementOfFairValue
1989 Settlement Concept (Monetary) For Period Credit ifrs-full:SettlementsFairValueMeasurementAssets
1990 Ending Balance Concept (Monetary) As Of Debit ifrs-full:Assets
1991 Adjustment on adoption of IFRS 9 Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsPreviouslyDesignatedAtFairValueThroughProfitOrLossReclassifiedDueToRequirementsOfIFRS9FirstApplicationOfIFRS9
1992 Recognized Concept (Monetary) For Period ifrs-full:GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets
1993 Cumulative translation adjustments Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
1994 Beginning Balance Concept (Monetary) As Of Credit ifrs-full:Liabilities
1995 Settlement Concept (Monetary) For Period Debit ifrs-full:SettlementsFairValueMeasurementLiabilities
1996 Re-measurement of fair value Concept (Monetary) For Period Credit tsg:IncreaseDecreaseInReMeasurementOfFairValueLiability
1997 Ending Balance Concept (Monetary) As Of Credit ifrs-full:Liabilities
1998 Acquired on business combination Concept (Monetary) For Period Credit tsg:AcquiredOnBusinessCombinationFairValueLiability
1999 101450 - Disclosure - Statements of Cash Flows - Schedule of Changes in Non Cash Operating Working Capital (Details) Network

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*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureStatementsOfCashFlowsScheduleOfChangesInNonCashOperatingWorkingCapitalDetails
2000 Implied Table Table

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*

 implied:Table
2001 Disclosure Of Changes In Non Cash Operating Working Capital [Abstract] Abstract tsg:DisclosureOfChangesInNonCashOperatingWorkingCapitalAbstract
2002 Accounts receivable Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable
2003 Prepaid expenses Concept (Monetary) For Period Debit tsg:AdjustmentsForDecreaseIncreaseInPrepaidExpenses
2004 Accounts payable and accrued liabilities Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAccountPayable
2005 Provisions Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForProvisions
2006 Other Concept (Monetary) For Period Debit ifrs-full:OtherAdjustmentsForNoncashItems
2007 Total Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInWorkingCapital
2008 101460 - Disclosure - Statements of Cash Flows - Schedule of Changes in Liabilities Arising from Financing Activities (Details) Network

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*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureStatementsOfCashFlowsScheduleOfChangesInLiabilitiesArisingFromFinancingActivitiesDetails
2009 Disclosure Of Reconciliation Of Liabilities Arising From Financing Activities [Table] Table

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*

 ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable
2010 Classes of liabilities [axis] Axis ifrs-full:ClassesOfLiabilitiesAxis
2011 Liabilities [member] Member ifrs-full:LiabilitiesMember
2012 Long-term Debt Member ifrs-full:LongtermBorrowingsMember
2013 Settlement Of Margin Member tsg:SettlementOfMarginMember
2014 Deferred Payment Provision Member tsg:DeferredPaymentProvisionMember
2015 Disclosure Of Reconciliation Of Liabilities Arising From Financing Activities [Line Items] LineItems ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems
2016 Beginning balance Concept (Monetary) As Of Credit ifrs-full:LiabilitiesArisingFromFinancingActivities
2017 Financing cash flows Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities
2018 The effect of changes in foreign exchange rates Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities
2019 Other changes Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities
2020 Ending balance Concept (Monetary) As Of Credit ifrs-full:LiabilitiesArisingFromFinancingActivities
2021 101470 - Disclosure - Contingent Liabilities - Additional Information (Details) Network

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*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureContingentLiabilitiesAdditionalInformationDetails
2022 Implied Table Table

*

*

 implied:Table
2023 Disclosure Of Contingent Liabilities [Abstract] Abstract ifrs-full:DisclosureOfContingentLiabilitiesAbstract
2024 Losses as the part of damage Concept (Monetary) For Period Debit ifrs-full:ClaimsAndBenefitsPaidNetOfReinsuranceRecoveries
2025 Estimated financial losses calculated by the court Concept (Monetary) As Of ifrs-full:EstimatedFinancialEffectOfContingentLiabilities
2026 Amount posted in supersedeas bond Concept (Monetary) For Period Debit tsg:BondAmountForPendencyOfTheAppealsProcess
2027 Cash collateral for the amount posted in bonds Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsPledgedAsCollateralForLiabilitiesOrContingentLiabilities
2028 Description of terms and conditions for collateral Concept (Text/String) For Period ifrs-full:DescriptionOfTermAndConditionsOfFinancialAssetsPledgedAsCollateralForLiabilitiesOrContingentLiabilities
2029 Letter of credit required for posting of the bond Concept (Monetary) As Of Credit tsg:LetterOfCreditRequiredForPostingOfBond
2030 Remaining credit facility after the letter of credit Concept (Monetary) As Of Credit tsg:RemainingCreditFacilityAfterLetterOfCredit
2031 Remaining balance of escrow fund established under merger agreement Concept (Monetary) As Of Credit tsg:RemainingBalanceOfEscrowFundEstablishedUnderMergerAgreement
2032 101480 - Disclosure - Financial Instruments Risk Management - Schedule of Foreign Exchange Currency Exposure of Financial Instruments by Currency (Details) Network

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*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureFinancialInstrumentsRiskManagementScheduleOfForeignExchangeCurrencyExposureOfFinancialInstrumentsByCurrencyDetails
2033 Disclosure Of Financial Instruments [Table] Table

*

*

 ifrs-full:DisclosureOfFinancialInstrumentsTable
2034 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2035 Risks [member] Member ifrs-full:TypesOfRisksMember
2036 Foreign Exchange Risk Member ifrs-full:CurrencyRiskMember
2037 Disclosure Of Financial Instruments [Line Items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
2038 Cash Concept (Monetary) As Of Debit ifrs-full:Cash
2039 Restricted cash Concept (Monetary) As Of Debit ifrs-full:RestrictedCashAndCashEquivalents
2040 Equity in unquoted companies – FVTPL Concept (Monetary) As Of Debit ifrs-full:CurrentFinancialAssetsAtFairValueThroughProfitOrLoss
2041 Accounts receivable Concept (Monetary) As Of Debit ifrs-full:CurrentTradeReceivables
2042 Derivatives Concept (Monetary) As Of Debit ifrs-full:CurrentDerivativeFinancialAssets
2043 Accounts payable and accrued liabilities Concept (Monetary) As Of Credit tsg:CurrentTradePayablesAndAccruedLiabilities
2044 Long-term debt Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
2045 Derivatives Concept (Monetary) As Of Credit ifrs-full:CurrentDerivativeFinancialLiabilities
2046 Customer deposits Concept (Monetary) As Of Credit ifrs-full:CurrentDepositsFromCustomers
2047 101490 - Disclosure - Financial Instruments Risk Management - Additional Information (Details) Network

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*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureFinancialInstrumentsRiskManagementAdditionalInformationDetails
2048 Disclosure Of Financial Instruments [Table] Table

*

*

 ifrs-full:DisclosureOfFinancialInstrumentsTable
2049 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2050 Risks [member] Member ifrs-full:TypesOfRisksMember
2051 Foreign Exchange Risk Member ifrs-full:CurrencyRiskMember
2052 Interest Rate Risk Member ifrs-full:InterestRateRiskMember
2053 Credit risk [member] Member ifrs-full:CreditRiskMember
2054 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
2055 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
2056 USD First Lien Term Loan Member tsg:UnitedStatesDollarsFirstLienTermLoanMember
2057 EUR First Lien Term Loan Member tsg:EURFirstLienTermLoanMember
2058 Range [axis] Axis ifrs-full:RangeAxis
2059 Ranges [member] Member ifrs-full:RangesMember
2060 Minimum Member ifrs-full:BottomOfRangeMember
2061 Maximum Member ifrs-full:TopOfRangeMember
2062 Disclosure Of Financial Instruments [Line Items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
2063 Effect of exchange rate on earnings before tax, percentage Concept (Percent) For Period tsg:EffectOfExchangeRateOnEarningsBeforeTaxPercentage
2064 Strengthening or weakening exchange rates Concept (Percent) For Period tsg:IncreaseDecreaseTranslationAdjustmentPercentStrengtheningWeakening
2065 Sensitivity rate used when reporting foreign currency risk Concept (Percent) For Period tsg:SensitivityFactorRateToCurrencyRiskExposure
2066 Description of sensitivity rate Concept (Text/String) For Period ifrs-full:MethodsUsedInPreparingSensitivityAnalysisReflectingInterdependenciesBetweenRiskVariables
2067 Borrowings, interest rate basis Concept (Text/String) For Period ifrs-full:BorrowingsInterestRateBasis
2068 Interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
2069 First lien term loan floor rate Concept (Percent) For Period tsg:FirstLienTermLoanFloorRate
2070 Allowance for doubtful accounts Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
2071 101500 - Disclosure - Financial Instruments Risk Management - Schedule of Effect on Earnings Before Tax of Exchange Rate (Details) Network

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*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureFinancialInstrumentsRiskManagementScheduleOfEffectOnEarningsBeforeTaxOfExchangeRateDetails
2072 Disclosure Of Financial Instruments [Table] Table

*

*

 ifrs-full:DisclosureOfFinancialInstrumentsTable
2073 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2074 Risks [member] Member ifrs-full:TypesOfRisksMember
2075 Foreign Exchange Risk Member ifrs-full:CurrencyRiskMember
2076 Interest Rate Risk Member ifrs-full:InterestRateRiskMember
2077 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
2078 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
2079 Strengthening Of L I B O R Member tsg:StrengtheningOfLIBORMember
2080 Weakening Of L I B O R Member tsg:WeakeningOfLIBORMember
2081 Weakening of EURIBOR Member tsg:WeakeningOfEuriborMember
2082 Strengthening of EURIBOR Member tsg:StrengtheningOfEuriborMember
2083 Weakening of GBP LIBOR Member tsg:WeakeningOfGBPLIBORMember
2084 Strengthening of GBP LIBOR Member tsg:StrengtheningOfGBPLIBORMember
2085 Currency Axis us-gaap:CurrencyAxis
2086 All Currencies Member currency:AllCurrenciesDomain
2087 USD:EUR exchange rate Member tsg:USDToEURExchangeRateMember
2088 EUR:GBP exchange rate Member tsg:EuroToGBPExchangeRateMember
2089 Disclosure Of Financial Instruments [Line Items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
2090 Earnings impact - gain (loss) Concept (Monetary) For Period Debit tsg:EffectOfExchangeRateOnEarningsBeforeTax
2091 Equity impact - gain (loss) Concept (Monetary) For Period Credit tsg:EffectOfExchangeRateOnEquityBeforeTax
2092 Equity Concept (Monetary) As Of Credit ifrs-full:Equity
2093 Net (loss) earnings Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
2094 101510 - Disclosure - Financial Instruments Risk Management - Schedule of Age of Receivables (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureFinancialInstrumentsRiskManagementScheduleOfAgeOfReceivablesDetails
2095 Disclosure Of Financial Assets That Are Either Past Due Or Impaired [Table] Table

*

*

 ifrs-full:DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedTable
2096 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2097 Risks [member] Member ifrs-full:TypesOfRisksMember
2098 Credit risk [member] Member ifrs-full:CreditRiskMember
2099 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
2100 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
2101 Trade receivables [member] Member ifrs-full:TradeReceivablesMember
2102 Past due status [axis] Axis ifrs-full:PastDueStatusAxis
2103 Past due status [member] Member ifrs-full:PastDueStatusMember
2104 Past Due Less Than 181 Days Member ifrs-full:LaterThanOneMonthAndNotLaterThanSixMonthsMember
2105 Past Due More Than 181 Days Member ifrs-full:LaterThanSixMonthsMember
2106 Impairment of financial assets [axis] Axis ifrs-full:ImpairmentOfFinancialAssetsAxis
2107 Entity's total for impairment of financial assets [member] Member ifrs-full:EntitysTotalForImpairmentOfFinancialAssetsMember
2108 Receivables Past Due But Not Impaired Member ifrs-full:FinancialAssetsPastDueButNotImpairedMember
2109 Disclosure Of Financial Assets That Are Either Past Due Or Impaired [Line Items] LineItems ifrs-full:DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedLineItems
2110 Age of receivables past due Concept (Monetary) As Of Debit tsg:AgeOfReceivablesPastDue
2111 101520 - Disclosure - Financial Instruments Risk Management - Schedule of Age of Impaired Trade Receivables (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureFinancialInstrumentsRiskManagementScheduleOfAgeOfImpairedTradeReceivablesDetails
2112 Disclosure Of Financial Assets That Are Either Past Due Or Impaired [Table] Table

*

*

 ifrs-full:DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedTable
2113 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2114 Risks [member] Member ifrs-full:TypesOfRisksMember
2115 Credit risk [member] Member ifrs-full:CreditRiskMember
2116 Impairment of financial assets [axis] Axis ifrs-full:ImpairmentOfFinancialAssetsAxis
2117 Entity's total for impairment of financial assets [member] Member ifrs-full:EntitysTotalForImpairmentOfFinancialAssetsMember
2118 Financial Assets Impaired Member ifrs-full:FinancialAssetsImpairedMember
2119 Past due status [axis] Axis ifrs-full:PastDueStatusAxis
2120 Past due status [member] Member ifrs-full:PastDueStatusMember
2121 Past Due Less Than 181 Days Member ifrs-full:LaterThanOneMonthAndNotLaterThanSixMonthsMember
2122 Past Due More Than 181 Days Member ifrs-full:LaterThanSixMonthsMember
2123 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
2124 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
2125 Trade receivables [member] Member ifrs-full:TradeReceivablesMember
2126 Disclosure Of Financial Assets That Are Either Past Due Or Impaired [Line Items] LineItems ifrs-full:DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedLineItems
2127 Age of impaired trade receivables Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsThatAreIndividuallyDeterminedToBeImpairedFairValueOfCollateralHeldAndOtherCreditEnhancements
2128 101530 - Disclosure - Financial Instruments Risk Management - Schedule of Information about Terms of Financial Obligations and Liabilities (Details) Network

*

*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureFinancialInstrumentsRiskManagementScheduleOfInformationAboutTermsOfFinancialObligationsAndLiabilitiesDetails
2129 Schedule Of Information About Terms Of Financial Obligations And Liabilities [Table] Table

*

*

 tsg:ScheduleOfInformationAboutTermsOfFinancialObligationsAndLiabilitiesTable
2130 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2131 Risks [member] Member ifrs-full:TypesOfRisksMember
2132 Liquidity Risk Member ifrs-full:LiquidityRiskMember
2133 Maturity [axis] Axis ifrs-full:MaturityAxis
2134 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
2135 On Demand Member ifrs-full:OnDemandMember
2136 Within One Year Member ifrs-full:NotLaterThanOneYearMember
2137 Later Than One Year but Not Later Than 5 Years Member ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
2138 More Than 5 Years Member ifrs-full:LaterThanFiveYearsMember
2139 Schedule Of Information About Terms Of Financial Obligations And Liabilities [Line Items] LineItems tsg:ScheduleOfInformationAboutTermsOfFinancialObligationsAndLiabilitiesLineItems
2140 Accounts payable and other liabilities Concept (Monetary) As Of Credit tsg:AccountsPayableAndOtherLiabilities
2141 Customer deposits Concept (Monetary) As Of Credit ifrs-full:CurrentDepositsFromCustomers
2142 Derivative Liabilities Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
2143 Provisions Concept (Monetary) As Of Credit ifrs-full:OtherProvisions
2144 Long-term debt Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
2145 Total Concept (Monetary) As Of Credit tsg:FinancialObligationsAndLiabilities
2146 101540 - Disclosure - Related Party Transactions - Summary of Compensation to Key Management Members (Details) Network

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*

 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureRelatedPartyTransactionsSummaryOfCompensationToKeyManagementMembersDetails
2147 Implied Table Table

*

*

 implied:Table
2148 Disclosure Of Transactions Between Related Parties [Abstract] Abstract ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract
2149 Salaries, bonuses and short-term employee benefits Concept (Monetary) For Period Debit tsg:KeyManagementPersonnelCompensationSalariesBonusesAndShortTermEmployeeBenefits
2150 Director retainers Concept (Monetary) For Period Debit tsg:KeyManagementPersonnelCompensationToRetainDirector
2151 Stock-based payments Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationSharebasedPayment
2152 Total key management personnel compensation Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensation
2153 101550 - Disclosure - Subsequent Events - Additional Information (Details) Network

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 http://www.starsgroup.com/20181231/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetails
2154 Disclosure Of Nonadjusting Events After Reporting Period [Table] Table

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 ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodTable
2155 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
2156 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
2157 USD First Lien Term Loan Member tsg:USDFirstLienTermLoanMember
2158 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
2159 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
2160 Events After Reporting Period Member tsg:EventsAfterReportingPeriodMember
2161 Disclosure Of Nonadjusting Events After Reporting Period [Line Items] LineItems ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems
2162 Prepayment of loan including accrued & unpaid interest Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfNoncurrentBorrowings

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