Osisko Gold Royalties LTD (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line Label Object Class Period Type Balance Report ElementName
1 001 - Document - Document and Entity Information Network

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 http://www.osiskomining.com/role/DocumentAndEntityInformation
2 Statements Table Table

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3 Legal Entity [Axis] Axis dei:LegalEntityAxis
4 Entity [Domain] Member dei:EntityDomain
5 Statements Line Items LineItems or:StatementsLineItems
6 Document Type Concept (Submission Type) For Period dei:DocumentType
7 Amendment Flag Concept (Yes/No) For Period dei:AmendmentFlag
8 Amendment Description Concept (Text/String) For Period dei:AmendmentDescription
9 Document Period End Date Concept (Date) For Period dei:DocumentPeriodEndDate
10 Trading Symbol Concept (Text/String) For Period dei:TradingSymbol
11 Entity Registrant Name Concept (Text/String) For Period dei:EntityRegistrantName
12 Entity Central Index Key Concept (CIK Number) For Period dei:EntityCentralIndexKey
13 Current Fiscal Year End Date Concept (Month/Day) For Period dei:CurrentFiscalYearEndDate
14 Entity Filer Category Concept (Filer Category) For Period dei:EntityFilerCategory
15 Entity Emerging Growth Company Concept (Yes/No) For Period dei:EntityEmergingGrowthCompany
16 Entity Common Stock, Shares Outstanding Concept (Shares) As Of dei:EntityCommonStockSharesOutstanding
17 Entity Current Reporting Status Concept (Yes/No) For Period dei:EntityCurrentReportingStatus
18 Entity Voluntary Filers Concept (Yes/No) For Period dei:EntityVoluntaryFilers
19 Entity Well Known Seasoned Issuer Concept (Yes/No) For Period dei:EntityWellKnownSeasonedIssuer
20 Entity Public Float Concept (Monetary) As Of Credit dei:EntityPublicFloat
21 Document Fiscal Year Focus Concept (Year) For Period dei:DocumentFiscalYearFocus
22 Document Fiscal Period Focus Concept (Fiscal Period) For Period dei:DocumentFiscalPeriodFocus
23 002 - Statement - Consolidated Balance Sheets Network

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24 Statements Table Table

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25 Statements Line Items LineItems or:StatementsLineItems
26 Assets Abstract ifrs-full:AssetsAbstract
27 Current assets Abstract ifrs-full:CurrentAssetsAbstract
28 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
29 Short-term investment Concept (Monetary) As Of Debit ifrs-full:CurrentInvestments
30 Amounts receivable Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
31 Inventories Concept (Monetary) As Of Debit ifrs-full:Inventories
32 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherCurrentAssets
33 Total current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
34 Non-current assets Abstract ifrs-full:NoncurrentAssetsAbstract
35 Investments in associates Concept (Monetary) As Of Debit ifrs-full:InvestmentsInAssociates
36 Other investments Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentFinancialAssets
37 Royalty, stream and other interests Concept (Monetary) As Of Debit or:RoyaltyInterests
38 Exploration and evaluation Concept (Monetary) As Of Debit ifrs-full:AssetsArisingFromExplorationForAndEvaluationOfMineralResources
39 Goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
40 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentAssets
41 Total Assets Concept (Monetary) As Of Debit ifrs-full:Assets
42 Liabilities Abstract ifrs-full:LiabilitiesAbstract
43 Current liabilities Abstract ifrs-full:CurrentLiabilitiesAbstract
44 Accounts payable and accrued liabilities Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
45 Dividends payable Concept (Monetary) As Of Credit ifrs-full:DividendPayables
46 Provisions and other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherCurrentFinancialLiabilities
47 Total current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
48 Non-current liabilities Abstract ifrs-full:NoncurrentLiabilitiesAbstract
49 Long-term debt Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
50 Provisions and other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentFinancialLiabilities
51 Deferred income taxes Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
52 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
53 Equity attributable to Osisko Gold Royalties Ltd's shareholders Abstract ifrs-full:EquityAbstract
54 Share capital Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
55 Warrants Concept (Monetary) As Of Credit or:Warrants
56 Contributed surplus Concept (Monetary) As Of Credit ifrs-full:AdditionalPaidinCapital
57 Equity component of convertible debentures Concept (Monetary) As Of Credit ifrs-full:ReserveOfEquityComponentOfConvertibleInstruments
58 Accumulated other comprehensive income (loss) Concept (Monetary) As Of Credit ifrs-full:AccumulatedOtherComprehensiveIncome
59 Retained earnings Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
60 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
61 Total Liabilities and Equity Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
62 003 - Statement - Consolidated Statements of Income Network

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63 Statements Table Table

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64 Statements Line Items LineItems or:StatementsLineItems
65 Revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
66 Cost of sales Concept (Monetary) For Period Debit ifrs-full:CostOfSales
67 Depletion of royalty, stream and other interests Concept (Monetary) For Period Debit or:DepletionOfRoyaltyInterests
68 Gross profit Concept (Monetary) For Period Credit ifrs-full:GrossProfit
69 Other operating expenses Abstract ifrs-full:ExpenseByNatureAbstract
70 General and administrative Concept (Monetary) For Period Debit ifrs-full:SellingGeneralAndAdministrativeExpense
71 Business development Concept (Monetary) For Period Debit or:BusinessDevelopments
72 Gain on disposal of a stream interest Concept (Monetary) For Period Credit ifrs-full:GainsOnDisposalsOfNoncurrentAssets
73 Impairment of assets Concept (Monetary) For Period Debit ifrs-full:ImpairmentLoss
74 Exploration and evaluation, net of tax credits Concept (Monetary) For Period Debit ifrs-full:ExpenseArisingFromExplorationForAndEvaluationOfMineralResources
75 Operating loss Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
76 Interest income Concept (Monetary) For Period Credit ifrs-full:RevenueFromInterest
77 Dividend income Concept (Monetary) For Period Credit ifrs-full:RevenueFromDividends
78 Finance costs Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
79 Foreign exchange gain (loss) Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
80 Share of loss of associates Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod
81 Other gains, net Concept (Monetary) For Period Credit ifrs-full:OtherGainsLosses
82 Loss before income taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
83 Income tax recovery Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
84 Net loss Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
85 Net loss attributable to: Abstract ifrs-full:ProfitLossAttributableToAbstract
86 Osisko Gold Royalties Ltd's shareholders Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
87 Non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
88 Net loss per share attributable to Osisko Gold Royalties Ltd's shareholders Abstract ifrs-full:EarningsPerShareAbstract
89 Basic (in dollars per share) Concept (Share) For Period ifrs-full:BasicEarningsLossPerShare
90 Diluted (in dollars per share) Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShare
91 004 - Statement - Consolidated Statements of Comprehensive Income (Loss) Network

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92 Statements Table Table

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93 Statements Line Items LineItems or:StatementsLineItems
94 Net loss Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
95 Other comprehensive income (loss) Abstract ifrs-full:OtherComprehensiveIncomeAbstract
96 Items that will not be reclassified to the consolidated statement of loss Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract
97 Changes in fair value of financial assets at fair value through comprehensive income Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTax
98 Income tax effect Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome
99 Changes in fair value of derivative financial instruments - cash flow hedges Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesOnHedgingInstrumentsThatHedgeInvestmentsInEquityInstruments
100 Income tax effect Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToAvailableforsaleFinancialAssetsOfOtherComprehensiveIncome
101 Share of other comprehensive income (loss) of associates Concept (Monetary) For Period Credit ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossNetOfTax
102 Items that may be reclassified to the consolidated statement of loss Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTaxAbstract
103 Currency translation adjustments Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation
104 Share of other comprehensive loss of associates Concept (Monetary) For Period Credit ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossBeforeTax
105 Other comprehensive income (loss) Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
106 Comprehensive loss Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
107 Comprehensive loss attributable to: Abstract ifrs-full:ComprehensiveIncomeAttributableToAbstract
108 Osisko Gold Royalties Ltd's shareholders Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
109 Non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
110 005 - Statement - Consolidated Statements of Cash Flows Network

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111 Statements Table Table

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112 Statements Line Items LineItems or:StatementsLineItems
113 Operating activities Abstract ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
114 Net loss Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
115 Adjustments for: Abstract ifrs-full:AdjustmentsForReconcileProfitLossAbstract
116 Share-based compensation Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForSharebasedPayments
117 Depletion and amortization Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDepreciationAndAmortisationExpense
118 Finance costs Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForFinanceCosts
119 Gain on disposal of a stream interest Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets
120 Impairment of assets Concept (Monetary) For Period Debit ifrs-full:ImpairmentLoss
121 Share of loss of associates Concept (Monetary) For Period Credit ifrs-full:AdjustmentsForUndistributedProfitsOfAssociates
122 Net (gain) loss on acquisition of investments Concept (Monetary) For Period Debit or:AdjustmentsForLossGainOnAcquisitionOfInvestments
123 Net gain on disposal of investments Concept (Monetary) For Period Credit or:AdjustmentsForNetGainOnDisposalOfInvestments
124 Net gain on dilution of investments in associates Concept (Monetary) For Period Credit or:AdjustmentsForNetGainLossOnDilutionOfInvestmentsInAssociates
125 Change in fair value of financial assets at fair value through profit and loss Concept (Monetary) For Period Debit or:AdjustmentsForChangeInFairValueOfFinancialAssetsAtFairValueThroughProfitAndLoss
126 Deferred income tax recovery Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDeferredTaxExpense
127 Unrealized foreign exchange loss Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForUnrealisedForeignExchangeLossesGains
128 Settlement of deferred and restricted share units Concept (Monetary) For Period Credit or:SettlementOfRestrictedShareUnits
129 Other Concept (Monetary) For Period Debit ifrs-full:OtherAdjustmentsForNoncashItems
130 Net cash flows provided by operating activities before changes in non-cash working capital items Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital
131 Changes in non-cash working capital items Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInWorkingCapital
132 Net cash flows provided by operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
133 Investing activities Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
134 Net (increase) decrease in short-term investments Concept (Monetary) For Period Debit or:PurchaseProceedsFromPurchaseOfShortTermInvestments
135 Business combination, net of cash acquired Concept (Monetary) For Period Debit ifrs-full:CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013
136 Settlement of derivative financial instruments Concept (Monetary) For Period Credit or:SettlementOfDerivativeFinancialInstruments
137 Acquisition of investments Concept (Monetary) For Period Credit ifrs-full:PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities
138 Proceeds on disposal of investments Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities
139 Acquisition of royalty and stream interests Concept (Monetary) For Period Credit or:PurchaseOfRoyaltyInterests
140 Proceeds on sale of a stream interest Concept (Monetary) For Period Credit or:ProceedsFromSaleOfAStreamInterestClassifiedAsInvestingActivities
141 Property and equipment Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
142 Exploration and evaluation tax credits (expenses), net Concept (Monetary) For Period Credit ifrs-full:PurchaseOfExplorationAndEvaluationAssets
143 Net cash flows used in investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
144 Financing activities Abstract ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
145 Issuance of long-term debt Concept (Monetary) For Period Debit ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
146 Issuance of common shares Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssuingShares
147 Issue expenses Concept (Monetary) For Period Credit ifrs-full:PaymentsForShareIssueCosts
148 Financing fees Concept (Monetary) For Period Credit ifrs-full:PaymentsForDebtIssueCosts
149 Investment from non-controlling interests Concept (Monetary) For Period Debit ifrs-full:ProceedsFromContributionsOfNoncontrollingInterests
150 Repayment of long-term debt Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
151 Normal course issuer bid purchase of common shares Concept (Monetary) For Period Credit ifrs-full:CancellationOfTreasuryShares
152 Dividends paid Concept (Monetary) For Period Credit ifrs-full:DividendsPaidClassifiedAsFinancingActivities
153 Net cash flows (used in) provided by financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
154 Decrease in cash and cash equivalents before effects of exchange rate changes on cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges
155 Effects of exchange rate changes on cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
156 Decrease in cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalents
157 Cash and cash equivalents - January 1 Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
158 Cash and cash equivalents - December 31 Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
159 006 - Statement - Consolidated Statements of Changes in Equity Network

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160 Statements Table Table

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161 Components of equity [Axis] Axis ifrs-full:ComponentsOfEquityAxis
162 Equity components [Domain] Member ifrs-full:EquityMember
163 Share capital [Member] Member ifrs-full:IssuedCapitalMember
164 Warrants [Member] Member or:WarrantsMember
165 Contributed surplus [Member] Member ifrs-full:AdditionalPaidinCapitalMember
166 Equity component of convertible debentures [member] Member ifrs-full:ReserveOfEquityComponentOfConvertibleInstrumentsMember
167 Accumulated other comprehensive income (loss) [Member] Member ifrs-full:AccumulatedOtherComprehensiveIncomeMember
168 Retained earnings [Member] Member ifrs-full:RetainedEarningsMember
169 Equity attributable to owners of parent [member] Member ifrs-full:EquityAttributableToOwnersOfParentMember
170 Non-controlling interest [Member] Member ifrs-full:NoncontrollingInterestsMember
171 Special Warrants [Member] Member or:SpecialWarrantsMember
172 Special warrants/warrants [Member] Member or:SpecialWarrantsAndWarrantsMember
173 Statements Line Items LineItems or:StatementsLineItems
174 Beginning Balance Concept (Monetary) As Of Credit ifrs-full:Equity
175 Beginning Balance (shares) Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
176 Net loss Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
177 Other comprehensive income (loss) Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
178 Comprehensive income (loss) Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
179 Business combinations Concept (Monetary) For Period Credit or:IncreaseDecreaseThroughBusinessCombination
180 Business combinations (shares) Concept (Shares) For Period or:IncreaseDecreaseThroughBusinessCombinationShares
181 Private placements Concept (Monetary) For Period Credit or:IncreaseDecreaseThroughPrivatePlacement
182 Private placements (shares) Concept (Shares) For Period or:IncreaseDecreaseThroughPrivatePlacementShares
183 Exercise of share exchange rights Concept (Monetary) For Period Credit or:IncreaseDecreaseThroughExerciseOfShareExchangeRights
184 Exercise of share exchange rights (shares) Concept (Shares) For Period or:IncreaseDecreaseThroughExerciseOfShareExchangeRightsShares
185 Dividends declared Concept (Monetary) For Period Debit ifrs-full:DividendsRecognisedAsDistributionsToOwnersOfParent
186 Shares issued - Dividends reinvestment plan Concept (Monetary) For Period Credit or:IncreaseDecreaseThroughDividendsReinvestmentPlan
187 Shares issued - Dividends reinvestment plan (shares) Concept (Shares) For Period or:IncreaseDecreaseThroughDividendsReinvestmentPlanShares
188 Shares issued - Employee share purchase plan Concept (Monetary) For Period Credit or:IncreaseDecreaseThroughEmployeeSharePurchasePlan
189 Shares issued - Employee share purchase plan (shares) Concept (Shares) For Period or:IncreaseDecreaseThroughEmployeeSharePurchasePlanShares
190 Shared-based compensation Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
191 Fair value of options exercised Concept (Monetary) For Period Credit or:FairValueOfOptionsExercised
192 Proceeds from exercise of options Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughExerciseOfOptions
193 Proceeds from exercise of options (shares) Concept (Shares) For Period or:IncreaseDecreaseThroughExerciseOfOptionsShares
194 Fair value of options exercised, replacement share options Concept (Monetary) For Period Credit or:FairValueOfOptionsExercisedReplacementShareOptions
195 Proceeds from exercise of options, replacement share options Concept (Monetary) For Period Credit or:IncreaseDecreaseThroughExerciseOfReplacementShareOptions
196 Proceeds from exercise of options, replacement share options (shares) Concept (Shares) For Period or:IncreaseDecreaseThroughExerciseOfReplacementShareOptionsShares
197 Equity component of convertible debentures, net of transaction costs of $789 and taxes of $5,232 Concept (Monetary) For Period Credit or:IncreaseDecreaseThroughEquityComponentOfConvertibleDebentureNetOfTransactionCosts
198 Investments from non-controlling interests Concept (Monetary) For Period Credit or:IncreaseDecreaseThroughInvestmentsFromNonControllingInterests
199 Issue costs, net of taxes of $101 Concept (Monetary) For Period Debit or:IncreaseDecreaseThroughIssueCosts
200 Units granted as payment of a 2017 bonus Concept (Monetary) For Period Credit or:IncreaseDecreaseAsPaymentBonus
201 Transfer of units from cash-settled to equity-settled Concept (Monetary) For Period Credit or:IncreaseDecreaseThroughTransferOfUnitsFromCashSettledToEquitySettled
202 Share-based compensation, Restricted share units to be settled in common shares: Concept (Monetary) For Period Credit or:IncreaseDecreaseThroughShareBasedPaymentTransactionsSettledInCommonShares
203 Income tax impact Concept (Monetary) For Period Debit or:IncreaseDecreaseThroughIncomeTaxImpact
204 Normal course issuer bid purchase of common shares Concept (Monetary) For Period Debit ifrs-full:PurchaseOfTreasuryShares
205 Normal course issuer bid purchase of common shares (shares) Concept (Shares) For Period or:PurchaseOfTreasurySharesNumberOfShares
206 Transfer of realized gain on financial assets at fair value through other comprehensive income (loss) Concept (Monetary) For Period Credit or:CumulativeGainLossArisingFromReclassificationOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeIntoFairVa
207 Settlement of derivative financial instruments, net of tax of $2,824 Concept (Monetary) For Period Credit or:SettlementOfDerivativeFinancialInstrumentsNetOfTax
208 Issuance of shares and warrants Concept (Monetary) For Period Credit ifrs-full:IssueOfEquity
209 Issuance of shares and warrants (shares) Concept (Shares) For Period ifrs-full:IncreaseDecreaseInNumberOfSharesOutstanding
210 Acquisition of Virginia Mines Inc. Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughAcquisitionOfSubsidiary
211 Acquisition of Virginia Mines Inc. (shares) Concept (Shares) For Period or:IncreaseDecreaseThroughAcquisitionOfSubsidiaryShares
212 Special warrants issuance Concept (Monetary) For Period Credit or:IncreaseDecreaseThroughSpecialWarrantsIssuance
213 Special warrants issuance (shares) Concept (Shares) For Period or:IncreaseDecreaseThroughSpecialWarrantsIssuanceShares
214 Special warrants exercised (shares) Concept (Shares) For Period or:IncreaseDecreaseThroughExerciseOfWarrantsEquityShares
215 Acquisition of Virginia Mines Inc. , replacement share options Concept (Monetary) For Period Credit or:IncreaseDecreaseThroughAcquisitionOfSubsidiaryReplacementShareOptions
216 Acquisition of Virginia Mines Inc. , replacement share options (shares) Concept (Shares) For Period or:IncreaseDecreaseThroughAcquisitionOfSubsidiaryReplacementShareOptionsShares
217 Shares issued from escrow (shares) Concept (Shares) For Period or:IncreaseDecreaseThroughSharesIssuedFromEscrowShares
218 Ending Balance Concept (Monetary) As Of Credit ifrs-full:Equity
219 Ending Balance (shares) Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
220 007 - Statement - Consolidated Statements of Changes in Equity (Parenthetical) Network

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221 Statements Table Table

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222 Statements Line Items LineItems or:StatementsLineItems
223 Equity component of convertible debentures, transaction costs Concept (Monetary) For Period Debit or:EquityComponentOfConvertibleDebentureTransactionCosts
224 Equity component of convertible debentures, taxes Concept (Monetary) For Period Debit or:EquityComponentOfConvertibleDebentureTaxes
225 Issue costs, net of taxes Concept (Monetary) For Period Debit or:IssueCostsTaxes
226 Settlement of derivative financial instruments, taxes Concept (Monetary) For Period Debit or:DerivativeFinancialInstrumentsTaxes
227 Accumulated other comprehensive loss comprises items that will not be recycled Concept (Monetary) For Period Debit or:AccumulatedOtherComprehensiveLossWillNotBeRecycled
228 Accumulated other comprehensive loss comprises items that may be recycled Concept (Monetary) For Period Debit or:AccumulatedOtherComprehensiveLossThatMayBeRecycled
229 008 - Disclosure - Nature of activities Network

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230 Statements Table Table

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232 Entity [Domain] Member dei:EntityDomain
233 Statements Line Items LineItems or:StatementsLineItems
234 Nature of activities [Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfNatureOfActivitiesExplanatoryTextBlock
235 009 - Disclosure - Basis of presentation Network

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236 Statements Table Table

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239 Statements Line Items LineItems or:StatementsLineItems
240 Basis of presentation [Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory
241 010 - Disclosure - New accounting standard Network

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242 Statements Table Table

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244 Entity [Domain] Member dei:EntityDomain
245 Statements Line Items LineItems or:StatementsLineItems
246 Disclosure of initial application of standards or interpretations [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfInitialApplicationOfStandardsOrInterpretations
247 011 - Disclosure - Significant accounting policies Network

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248 Statements Table Table

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251 Statements Line Items LineItems or:StatementsLineItems
252 Significant accounting policies [Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
253 012 - Disclosure - Accounting standards issued but not yet effective Network

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254 Statements Table Table

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258 Accounting standards issued but not yet effective [Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfAccountingStandardsIssuedButNotYetEffectiveExplanatoryTextBlock
259 013 - Disclosure - Critical accounting estimates and judgements Network

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260 Statements Table Table

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263 Statements Line Items LineItems or:StatementsLineItems
264 Critical accounting estimates and judgements [Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfAccountingJudgementsAndEstimatesExplanatory
265 014 - Disclosure - Business combination Network

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266 Statements Table Table

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269 Statements Line Items LineItems or:StatementsLineItems
270 Business combination [Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory
271 015 - Disclosure - Cash and cash equivalents Network

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272 Statements Table Table

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276 Cash and cash equivalents [Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory
277 016 - Disclosure - Short-term investments Network

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278 Statements Table Table

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282 Short-term investments [Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfCurrentInvestmentsTextBlock
283 017 - Disclosure - Accounts receivable Network

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284 Statements Table Table

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285 Legal Entity [Axis] Axis dei:LegalEntityAxis
286 Entity [Domain] Member dei:EntityDomain
287 Statements Line Items LineItems or:StatementsLineItems
288 Accounts receivable [Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory
289 018 - Disclosure - Inventories Network

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290 Statements Table Table

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291 Legal Entity [Axis] Axis dei:LegalEntityAxis
292 Entity [Domain] Member dei:EntityDomain
293 Statements Line Items LineItems or:StatementsLineItems
294 Inventories [Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInventoriesExplanatory
295 019 - Disclosure - Investments in associates Network

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296 Statements Table Table

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297 Legal Entity [Axis] Axis dei:LegalEntityAxis
298 Entity [Domain] Member dei:EntityDomain
299 Statements Line Items LineItems or:StatementsLineItems
300 Investments in associates [Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInterestsInAssociatesExplanatory
301 020 - Disclosure - Other investments Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfOtherInvestmentsExplanatoryTextBlock
302 Statements Table Table

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303 Legal Entity [Axis] Axis dei:LegalEntityAxis
304 Entity [Domain] Member dei:EntityDomain
305 Statements Line Items LineItems or:StatementsLineItems
306 Other investments [Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodExplanatory
307 021 - Disclosure - Royalty, stream and other interests Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfRoyaltyInterestsExplanatoryTextBlock
308 Statements Table Table

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 or:StatementsTable
309 Legal Entity [Axis] Axis dei:LegalEntityAxis
310 Entity [Domain] Member dei:EntityDomain
311 Statements Line Items LineItems or:StatementsLineItems
312 Royalty, stream and other interests [Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfRoyaltyInterestsExplanatoryTextBlock
313 022 - Disclosure - Exploration and evaluation Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfExplorationAndEvaluationAssetsExplanatoryTextBlock
314 Statements Table Table

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 or:StatementsTable
315 Legal Entity [Axis] Axis dei:LegalEntityAxis
316 Entity [Domain] Member dei:EntityDomain
317 Statements Line Items LineItems or:StatementsLineItems
318 Exploration and evaluation [Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfExplorationAndEvaluationAssetsExplanatory
319 023 - Disclosure - Goodwill Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfGoodwillExplanatoryTextBlock
320 Statements Table Table

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 or:StatementsTable
321 Legal Entity [Axis] Axis dei:LegalEntityAxis
322 Entity [Domain] Member dei:EntityDomain
323 Statements Line Items LineItems or:StatementsLineItems
324 Goodwill [Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGoodwillExplanatory
325 024 - Disclosure - Accounts payable and accrued liabilities Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfTradeAndOtherPayablesExplanatoryTextBlock
326 Statements Table Table

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 or:StatementsTable
327 Legal Entity [Axis] Axis dei:LegalEntityAxis
328 Entity [Domain] Member dei:EntityDomain
329 Statements Line Items LineItems or:StatementsLineItems
330 Accounts payable and accrued liabilities [Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory
331 025 - Disclosure - Provisions and other liabilities Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfProvisionsExplanatoryTextBlock
332 Statements Table Table

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333 Legal Entity [Axis] Axis dei:LegalEntityAxis
334 Entity [Domain] Member dei:EntityDomain
335 Statements Line Items LineItems or:StatementsLineItems
336 Provisions and other liabilities [Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfProvisionsExplanatory
337 026 - Disclosure - Long-term debt Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfBorrowingsExplanatoryTextBlock
338 Statements Table Table

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 or:StatementsTable
339 Legal Entity [Axis] Axis dei:LegalEntityAxis
340 Entity [Domain] Member dei:EntityDomain
341 Statements Line Items LineItems or:StatementsLineItems
342 Long-term debt [Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBorrowingsExplanatory
343 027 - Disclosure - Share capital Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfIssuedCapitalExplanatoryTextBlock
344 Statements Table Table

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345 Legal Entity [Axis] Axis dei:LegalEntityAxis
346 Entity [Domain] Member dei:EntityDomain
347 Statements Line Items LineItems or:StatementsLineItems
348 Share capital [Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIssuedCapitalExplanatory
349 028 - Disclosure - Disclosure of warrants Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfWarrantsExplanatoryTextBlock
350 Statements Table Table

*

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 or:StatementsTable
351 Legal Entity [Axis] Axis dei:LegalEntityAxis
352 Entity [Domain] Member dei:EntityDomain
353 Statements Line Items LineItems or:StatementsLineItems
354 Disclosure of warrants [Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfWarrantsExplanatoryTextBlock
355 029 - Disclosure - Share-based compensation Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfSharebasedPaymentArrangementsExplanatoryTextBlock
356 Statements Table Table

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 or:StatementsTable
357 Legal Entity [Axis] Axis dei:LegalEntityAxis
358 Entity [Domain] Member dei:EntityDomain
359 Statements Line Items LineItems or:StatementsLineItems
360 Share-based compensation [Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory
361 030 - Disclosure - Income taxes Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfIncomeTaxExplanatoryTextBlock
362 Statements Table Table

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 or:StatementsTable
363 Legal Entity [Axis] Axis dei:LegalEntityAxis
364 Entity [Domain] Member dei:EntityDomain
365 Statements Line Items LineItems or:StatementsLineItems
366 Income taxes [Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIncomeTaxExplanatory
367 031 - Disclosure - Additional information on the consolidated statements of loss Network

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 http://www.osiskomining.com/role/Additionalinformationonconsolidatedstatementsofloss
368 Statements Table Table

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 or:StatementsTable
369 Legal Entity [Axis] Axis dei:LegalEntityAxis
370 Entity [Domain] Member dei:EntityDomain
371 Statements Line Items LineItems or:StatementsLineItems
372 Additional information on the consolidated statements of loss [Text Block] Concept (Text Block (HTML)) For Period or:AdditionalInformationOnTheConsolidatedStatementsOfLossTextBlock
373 032 - Disclosure - Key management Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfInformationAboutKeyManagementPersonnelExplanatoryTextBlock
374 Statements Table Table

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 or:StatementsTable
375 Legal Entity [Axis] Axis dei:LegalEntityAxis
376 Entity [Domain] Member dei:EntityDomain
377 Statements Line Items LineItems or:StatementsLineItems
378 Key management [Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInformationAboutKeyManagementPersonnelExplanatory
379 033 - Disclosure - Net earnings (loss) per share Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfEarningsPerShareExplanatoryTextBlock
380 Statements Table Table

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 or:StatementsTable
381 Legal Entity [Axis] Axis dei:LegalEntityAxis
382 Entity [Domain] Member dei:EntityDomain
383 Statements Line Items LineItems or:StatementsLineItems
384 Net earnings (loss) per share [Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEarningsPerShareExplanatory
385 034 - Disclosure - Additional information on the consolidated statements of cash flows Network

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 http://www.osiskomining.com/role/Notestofinancialstatementsdisclosureofcashflowstatementexplanatorytextblock
386 Statements Table Table

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 or:StatementsTable
387 Legal Entity [Axis] Axis dei:LegalEntityAxis
388 Entity [Domain] Member dei:EntityDomain
389 Statements Line Items LineItems or:StatementsLineItems
390 Additional information on the consolidated statements of cash flows [Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCashFlowStatementExplanatory
391 035 - Disclosure - Financial risks Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfFinancialRiskManagementExplanatoryTextBlock
392 Statements Table Table

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 or:StatementsTable
393 Legal Entity [Axis] Axis dei:LegalEntityAxis
394 Entity [Domain] Member dei:EntityDomain
395 Statements Line Items LineItems or:StatementsLineItems
396 Financial risks [Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialRiskManagementExplanatory
397 036 - Disclosure - Fair Value of financial instruments Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfFairValueOfFinancialInstrumentsExplanatoryTextBlock
398 Statements Table Table

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 or:StatementsTable
399 Legal Entity [Axis] Axis dei:LegalEntityAxis
400 Entity [Domain] Member dei:EntityDomain
401 Statements Line Items LineItems or:StatementsLineItems
402 Fair Value of financial instruments [Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFairValueOfFinancialInstrumentsExplanatory
403 037 - Disclosure - Segment disclosure Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfEntitysReportableSegmentsExplanatoryTextBlock
404 Statements Table Table

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 or:StatementsTable
405 Legal Entity [Axis] Axis dei:LegalEntityAxis
406 Entity [Domain] Member dei:EntityDomain
407 Statements Line Items LineItems or:StatementsLineItems
408 Segment disclosure [Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory
409 038 - Disclosure - Related party transactions Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfRelatedPartyExplanatoryTextBlock
410 Statements Table Table

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 or:StatementsTable
411 Legal Entity [Axis] Axis dei:LegalEntityAxis
412 Entity [Domain] Member dei:EntityDomain
413 Statements Line Items LineItems or:StatementsLineItems
414 Related party transactions [Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRelatedPartyExplanatory
415 039 - Disclosure - Commitments Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfCommitmentsExplanatoryTextBlock
416 Statements Table Table

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 or:StatementsTable
417 Legal Entity [Axis] Axis dei:LegalEntityAxis
418 Entity [Domain] Member dei:EntityDomain
419 Statements Line Items LineItems or:StatementsLineItems
420 Commitments [Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCommitmentsExplanatory
421 040 - Disclosure - Subsequent events Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfEventsAfterReportingPeriodExplanatoryTextBlock
422 Statements Table Table

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 or:StatementsTable
423 Legal Entity [Axis] Axis dei:LegalEntityAxis
424 Entity [Domain] Member dei:EntityDomain
425 Statements Line Items LineItems or:StatementsLineItems
426 Subsequent events [Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEventsAfterReportingPeriodExplanatory
427 041 - Disclosure - Summary of Significant Accounting Policies (Policies) Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsSignificantAccountingPoliciesTextBlockPolicies
428 Statements Table Table

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 or:StatementsTable
429 Legal Entity [Axis] Axis dei:LegalEntityAxis
430 Entity [Domain] Member dei:EntityDomain
431 Statements Line Items LineItems or:StatementsLineItems
432 Basis of measurement [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory
433 Business combinations [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForBusinessCombinationsAndGoodwillExplanatory
434 Consolidation [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBasisOfConsolidationExplanatory
435 Non-controlling interests [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForTransactionsWithNoncontrollingInterestsExplanatory
436 Foreign currency translation [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory
437 Financial instruments [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory
438 Impairment of financial assets [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForImpairmentOfFinancialAssetsExplanatory
439 Cash and cash equivalents [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents
440 Refundable tax credits for mining exploration expenses [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForTaxesOtherThanIncomeTaxExplanatory
441 Inventories [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForMeasuringInventories
442 Investments in associates [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForInvestmentInAssociates
443 Royalty, stream and other interests [Policy Text Block] Concept (Text Block (HTML)) For Period or:DescriptionOfAccountingPolicyForRoyaltyInterestsExplanatoryPolicyTextBlock
444 Property and equipment [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory
445 Exploration and evaluation expenditures [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForExplorationAndEvaluationExpenditures
446 Goodwill [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForGoodwillExplanatory
447 Current and deferred income tax [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory
448 Convertible debentures [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForBorrowingsExplanatory
449 Share capital [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIssuedCapitalExplanatory
450 Warrants [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForWarrantsExplanatory
451 Revenue recognition [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue
452 Operating leases [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForLeasesExplanatory
453 Share-based compensation [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory
454 Earnings per share [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForEarningsPerShareExplanatory
455 Segment reporting [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForSegmentReportingExplanatory
456 042 - Disclosure - Significant accounting policies (Tables) Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfSummaryOfSignificantAccountingPoliciesExplanatoryTextBlockTables
457 Statements Table Table

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 or:StatementsTable
458 Legal Entity [Axis] Axis dei:LegalEntityAxis
459 Entity [Domain] Member dei:EntityDomain
460 Statements Line Items LineItems or:StatementsLineItems
461 Disclosure of principal subsidiaries and their geographic location [Table Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfPrincipalSubsidiariesAndTheirGeographicLocationTableTextBlock
462 Disclosure of detailed Information about financial instruments[Table Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatoryTableTextBlock
463 Disclosure of detailed information about estimated useful life or depreciation rate [Table Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfDetailedInformationAboutEstimatedUsefulLifeOrDepreciationRateExplanatory
464 043 - Disclosure - Business combination (Tables) Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfDetailedInformationAboutBusinessCombinationsExplanatoryTextBlockTables
465 Statements Table Table

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 or:StatementsTable
466 Legal Entity [Axis] Axis dei:LegalEntityAxis
467 Entity [Domain] Member dei:EntityDomain
468 Statements Line Items LineItems or:StatementsLineItems
469 Disclosure of detailed information about purchase price allocation [Table Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfDetailedInformationAboutPurchasePriceAllocationTableTextBlock
470 044 - Disclosure - Cash and cash equivalents (Tables) Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfCashAndCashEquivalentsExplanatoryTextBlockTables
471 Statements Table Table

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 or:StatementsTable
472 Legal Entity [Axis] Axis dei:LegalEntityAxis
473 Entity [Domain] Member dei:EntityDomain
474 Statements Line Items LineItems or:StatementsLineItems
475 Disclosure of detailed information about cash and cash equivalents [Table Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfDetailedInformationAboutCashAndCashEquivalentsExplanatory
476 045 - Disclosure - Accounts receivable (Tables) Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfTradeAndOtherReceivablesExplanatoryTextBlockTables
477 Statements Table Table

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 or:StatementsTable
478 Legal Entity [Axis] Axis dei:LegalEntityAxis
479 Entity [Domain] Member dei:EntityDomain
480 Statements Line Items LineItems or:StatementsLineItems
481 Disclosure of detailed information about trade and other receivables [Table Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatory
482 046 - Disclosure - Investments in associates (Tables) Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfInterestsInAssociatesExplanatoryTextBlockTables
483 Statements Table Table

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 or:StatementsTable
484 Legal Entity [Axis] Axis dei:LegalEntityAxis
485 Entity [Domain] Member dei:EntityDomain
486 Statements Line Items LineItems or:StatementsLineItems
487 Disclosure of transactions recognised separately from acquisition of assets and assumption of liabilities in business combination [Table Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationExplanatory
488 Disclosure of associates [Table Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesExplanatory
489 Disclosure of investments accounted for using equity method [Table Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory
490 047 - Disclosure - Other investments (Tables) Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfOtherInvestmentsExplanatoryTextBlockTables
491 Statements Table Table

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*

 or:StatementsTable
492 Legal Entity [Axis] Axis dei:LegalEntityAxis
493 Entity [Domain] Member dei:EntityDomain
494 Statements Line Items LineItems or:StatementsLineItems
495 Disclosure of detailed information about other investments [Table Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfDetailedInformationAboutOtherInvestmentsExplanatoryTableTextBlock
496 048 - Disclosure - Royalty, stream and other interests (Tables) Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfRoyaltyInterestsExplanatoryTextBlockTables
497 Statements Table Table

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 or:StatementsTable
498 Legal Entity [Axis] Axis dei:LegalEntityAxis
499 Entity [Domain] Member dei:EntityDomain
500 Statements Line Items LineItems or:StatementsLineItems
501 Disclosure of detailed information about royalty interests [Table Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfDetailedInformationAboutRoyaltyInterestsExplanatoryTableTextBlock
502 Disclosure of detailed information about buy-back and buy-down rights [Table Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfDetailedInformationAboutBuybackAndBuydownRightsTableTextBlock
503 049 - Disclosure - Exploration and evaluation (Tables) Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfExplorationAndEvaluationAssetsExplanatoryTextBlockTables
504 Statements Table Table

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 or:StatementsTable
505 Legal Entity [Axis] Axis dei:LegalEntityAxis
506 Entity [Domain] Member dei:EntityDomain
507 Statements Line Items LineItems or:StatementsLineItems
508 Disclosure of detailed information about exploration assets [Table Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfDetailedInformationAboutExplorationAssetsExplanatory
509 050 - Disclosure - Goodwill (Tables) Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfGoodwillExplanatoryTextBlockTables
510 Statements Table Table

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*

 or:StatementsTable
511 Legal Entity [Axis] Axis dei:LegalEntityAxis
512 Entity [Domain] Member dei:EntityDomain
513 Statements Line Items LineItems or:StatementsLineItems
514 Dislclosure of detailed information about key assumptions for the CGU's [Table Text Block] Concept (Text Block (HTML)) For Period or:DislclosureOfDetailedInformationAboutKeyAssumptionsForTheCgusTableTextBlock
515 051 - Disclosure - Accounts payable and accrued liabilities (Tables) Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfTradeAndOtherPayablesExplanatoryTextBlockTables
516 Statements Table Table

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 or:StatementsTable
517 Legal Entity [Axis] Axis dei:LegalEntityAxis
518 Entity [Domain] Member dei:EntityDomain
519 Statements Line Items LineItems or:StatementsLineItems
520 Disclosure of detailed information about trade and other payables [Table Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfDetailedInformationAboutTradeAndOtherPayablesExplanatory
521 052 - Disclosure - Provisions and other liabilities (Tables) Network

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*

 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfProvisionsExplanatoryTextBlockTables
522 Statements Table Table

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 or:StatementsTable
523 Legal Entity [Axis] Axis dei:LegalEntityAxis
524 Entity [Domain] Member dei:EntityDomain
525 Statements Line Items LineItems or:StatementsLineItems
526 Disclosure of other provisions [Table Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherProvisionsExplanatory
527 053 - Disclosure - Long-term debt (Tables) Network

*

*

 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfBorrowingsExplanatoryTextBlockTables
528 Statements Table Table

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 or:StatementsTable
529 Legal Entity [Axis] Axis dei:LegalEntityAxis
530 Entity [Domain] Member dei:EntityDomain
531 Statements Line Items LineItems or:StatementsLineItems
532 Disclosure of detailed information of long-term debt, activity [Table Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfDetailedInformationOfBorrowingsActivityTableTextBlock
533 Disclosure of detailed information about borrowings [Table Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory
534 054 - Disclosure - Share capital (Tables) Network

*

*

 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfIssuedCapitalExplanatoryTextBlockTables
535 Statements Table Table

*

*

 or:StatementsTable
536 Legal Entity [Axis] Axis dei:LegalEntityAxis
537 Entity [Domain] Member dei:EntityDomain
538 Statements Line Items LineItems or:StatementsLineItems
539 Disclosure of dividends [Table Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDividendsExplanatory
540 Disclosure of objectives, policies and processes for managing capital [text block] [Table Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory
541 055 - Disclosure - Warrants (Tables) Network

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*

 http://www.osiskomining.com/role/WarrantsTables
542 Statements Table Table

*

*

 or:StatementsTable
543 Legal Entity [Axis] Axis dei:LegalEntityAxis
544 Entity [Domain] Member dei:EntityDomain
545 Statements Line Items LineItems or:StatementsLineItems
546 Disclosure of detailed information about warrants, activity [Table Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfDetailedInformationAboutWarrantsActivityExplanatory
547 056 - Disclosure - Share-based compensation (Tables) Network

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*

 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfSharebasedPaymentArrangementsExplanatoryTextBlockTables
548 Statements Table Table

*

*

 or:StatementsTable
549 Legal Entity [Axis] Axis dei:LegalEntityAxis
550 Entity [Domain] Member dei:EntityDomain
551 Statements Line Items LineItems or:StatementsLineItems
552 Disclosure of number and weighted average exercise prices of share options [Table Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory
553 Disclosure of range of exercise prices of outstanding share options [Table Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsExplanatory
554 Disclosure of detailed information about options, valuation assumptions [Table Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfDetailedInformationAboutOptionsValuationAssumptionsExplanatory
555 Disclosure of deferred and restricted share units [Table Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfDeferredAndRestrictedShareUnitsExplanatoryTableTextBlock
556 Disclosure of deferred and restricted share units, fair value [Table Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfDeferredAndRestrictedShareUnitsFairValueExplanatoryTableTextBlock
557 057 - Disclosure - Income taxes (Tables) Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfIncomeTaxExplanatoryTextBlockTables
558 Statements Table Table

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 or:StatementsTable
559 Legal Entity [Axis] Axis dei:LegalEntityAxis
560 Entity [Domain] Member dei:EntityDomain
561 Statements Line Items LineItems or:StatementsLineItems
562 Disclosure of detailed information about income taxes [Table Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfDetailedInformationAboutIncomeTaxesExplanatoryTableTextBlock
563 Disclosure of components of deferred income tax assets and liabilities [Table Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfComponentsOfDeferredIncomeTaxAssetsAndLiabilitiesExplanatoryTableTextBlock
564 Disclosure of reconciliation of statutory weighted average tax rate applicable to income [Table Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfReconciliationOfStatutoryWeightedAverageTaxRateApplicableToIncomeExplanatoryTableTextBlock
565 Disclosure of deferred taxes [Table Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDeferredTaxesExplanatory
566 058 - Disclosure - Additional information on the consolidated statements of loss (Tables) Network

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 http://www.osiskomining.com/role/Additionalinformationontheconsolidatedstatementsoflosstables
567 Statements Table Table

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568 Legal Entity [Axis] Axis dei:LegalEntityAxis
569 Entity [Domain] Member dei:EntityDomain
570 Statements Line Items LineItems or:StatementsLineItems
571 Disclosure Of Detailed Information About Consolidated Statements Of Loss Explanatory [Table Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfDetailedInformationAboutConsolidatedStatementsOfLossExplanatoryTableTextBlock
572 059 - Disclosure - Key management (Tables) Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfInformationAboutKeyManagementPersonnelExplanatoryTextBlockTables
573 Statements Table Table

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574 Legal Entity [Axis] Axis dei:LegalEntityAxis
575 Entity [Domain] Member dei:EntityDomain
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578 060 - Disclosure - Net loss per share (Tables) Network

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584 061 - Disclosure - Additional information on the consolidated statements of cash flows (Tables) Network

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590 062 - Disclosure - Financial risks (Tables) Network

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596 Disclosure of detailed information about financial instruments [text block] [Table Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory
597 063 - Disclosure - Fair Value of financial instruments (Tables) Network

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*

 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfFairValueOfFinancialInstrumentsExplanatoryTextBlockTables
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603 Disclosure of detailed information about changes in fair value of investments [Table Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfDetailedInformationAboutChangesInFairValueOfInvestmentsExplanatoryTableTextBlock
604 Disclosure of detailed information about valuation technique used to evaluate fair value explanatory [Table Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfDetailedInformationAboutValuationTechniqueUsedToEvaluateFairValueExplanatoryTableTextBlock
605 Disclosure of detailed information about fair value of long-term debt [Table Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfDetailedInformationAboutFairValueOfBorrowingsTableTextBlock
606 064 - Disclosure - Segment disclosure (Tables) Network

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 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfEntitysReportableSegmentsExplanatoryTextBlockTables
607 Statements Table Table

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612 Dislcosure of detailed information about the royalty, stream and other interests [Table Text Block] Concept (Text Block (HTML)) For Period or:DislcosureOfDetailedInformationAboutTheRoyaltyStreamAndOtherInterestsTableTextBlock
613 Disclosure of detailed information about geographic areas segment reporitng, by country [Table Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfDetailedInformationAboutGeographicAreasSegmentReporitngByCountryTableTextBlock
614 065 - Disclosure - Related party transactions (Tables) Network

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 http://www.osiskomining.com/role/RelatedpartytransactionsTables
615 Statements Table Table

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620 066 - Disclosure - Commitments (Tables) Network

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*

 http://www.osiskomining.com/role/NotesToFinancialStatementsDisclosureOfCommitmentsExplanatoryTextBlockTables
621 Statements Table Table

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626 Disclosure of detailed information about commitments [Table Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfDetailedInformationAboutCommitmentsExplanatoryTableTextBlock
627 Disclosure of detailed information about significant commitments related to the acquisition of royalties and streams [Table Text Block] Concept (Text Block (HTML)) For Period or:DisclosureOfDetailedInformationAboutSignificantCommitmentsRelatedToTheAcquisitionOfRoyaltiesAndStreamsTableTextBlock
628 067 - Disclosure - Nature of activities (Narrative) (Details) Network

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 http://www.osiskomining.com/role/DisclosureDisclosureOfNatureOfActivitiesExplanatoryTextBlockDetails
629 Statements Table Table

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646 068 - Disclosure - Significant accounting policies (Narrative) (Details) Network

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 http://www.osiskomining.com/role/DisclosureDisclosureOfSummaryOfSignificantAccountingPoliciesExplanatoryDetails
647 Statements Table Table

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655 069 - Disclosure - Accounting standards issued but not yet effective (Narrative) (Details) Network

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 http://www.osiskomining.com/role/AccountingStandardsIssuedButNotYetEffectiveNarrativeDetails
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 ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLessorTable
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669 070 - Disclosure - Business combination (Narrative) (Details) Network

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 http://www.osiskomining.com/role/DisclosureDisclosureOfDetailedInformationAboutBusinessCombinationsExplanatoryDetails
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721 Net earnings of acquiree Concept (Monetary) For Period Credit ifrs-full:ProfitLossOfAcquiree
722 071 - Disclosure - Cash and cash equivalents (Narrative) (Details) Network

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734 072 - Disclosure - Short-term investments (Narrative) (Details) Network

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 http://www.osiskomining.com/role/DisclosureDisclosureOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodExplanatoryDetails
735 Statements Table Table

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755 073 - Disclosure - Investments in associates (Narrative) (Details) Network

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 http://www.osiskomining.com/role/DisclosureDisclosureOfInterestsInAssociatesExplanatoryDetails
756 Statements Table Table

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762 Victoria [Member] Member or:VictoriaMember
763 Teck [Member] Member or:TeckMember
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809 074 - Disclosure - Royalty, stream and other interests (Narrative) (Details) Network

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 http://www.osiskomining.com/role/DisclosureDisclosureOfRoyaltyInterestsExplanatoryTextBlockDetails
810 Statements Table Table

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901 Impairment of royalty, stream and other interests, net of tax Concept (Monetary) For Period Debit or:ImpairmentOfRoyaltyStreamAndOtherInterestsNetOfTax
902 Additional impairment of royalty stream and other interests Concept (Monetary) For Period Debit or:AdditionalImpairmentOfRoyaltyStreamAndOtherInterests
903 Additional impairment of royalty stream and other interests net of tax Concept (Monetary) For Period Debit or:AdditionalImpairmentOfRoyaltyStreamAndOtherInterestsNetOfTax
904 Estimated recoverable amount Concept (Monetary) For Period Debit or:EstimatedRecoverableAmount
905 Long-term gold price, per ounce Concept (Monetary) For Period or:LongTermGoldPrice
906 Real discount rate post-tax Concept (Percent) For Period or:RealDiscountRatePostTax
907 Value at risk Concept (Monetary) As Of ifrs-full:ValueAtRisk
908 Reasonable increase decrease in estimates, percentage Concept (Percent) As Of or:ReasonableIncreaseDecreaseInEstimatesPercentage
909 Estimated gold price, per ounce Concept (Monetary) As Of or:EstimatedGoldPrice
910 Discount rate applied to cash flow projections Concept (Percent) As Of ifrs-full:DescriptionOfDiscountRatesAppliedToCashFlowProjections
911 Description of discount rates applied to cash flow projections plus reasonable increase in estimate Concept (Percent) As Of or:DescriptionOfDiscountRatesAppliedToCashFlowProjectionsPlusReasonableIncreaseInEstimate
912 Refined gold delivered Concept (Decimal) For Period or:RefinedGoldDelivered
913 Value of royalty purchase price remaining commitment. Concept (Monetary) As Of Credit or:RoyaltyPurchasePriceRemainingCommitment
914 Net smelter return, additional Concept (Percent) For Period or:NetSmelterReturnAdditional
915 Additional investments in associates Concept (Monetary) As Of Debit or:InvestmentsInAssociatesAdditional
916 Additional up-front deposit Concept (Monetary) As Of Credit or:AdditionalUpFrontDeposit
917 Payment of up-front cash deposit Concept (Monetary) For Period Debit or:UpfrontCashDepositsPayment
918 Per ounce/carat price Concept (Text/String) For Period or:PerOunceOrCaratPrice
919 Per ounce/carat price before amendment Concept (Text/String) For Period or:PerOunceOrCaratPriceBeforeAmendment
920 Estimated recoverable written down amount Concept (Monetary) For Period Debit or:EstimatedRecoverableWrittenDownAmount
921 Long term annual gold production for royalty Concept (Integer) For Period or:LongTermAnnualGoldProductionForRoyalty
922 Long term gold price per ounce Concept (Monetary) For Period Debit or:LongTermGoldPricePerOunce
923 Percentage of post tax real discount rate Concept (Percent) For Period or:PercentageOfPostTaxRealDiscountRate
924 Cash flow projections lower than management estimates for gold per ounce Concept (Monetary) For Period Credit or:CashFlowProjectionsLowerThanManagementEstimatesForGoldPerOunce
925 Management estimated additional impairment charge Concept (Monetary) For Period Debit or:ManagementEstimatedAdditionalImpairmentCharge
926 Recognized an additional impairment charge Concept (Monetary) For Period Debit or:RecognizedAnAdditionalImpairmentCharge
927 Additional impairment charges on royalty and offtake interests Concept (Monetary) For Period Debit or:AdditionalImpairmentChargesOnRoyaltyAndOfftakeInterests
928 Additional impairment charges on royalty and offtake interests net of tax Concept (Monetary) For Period Debit or:AdditionalImpairmentChargesOnRoyaltyAndOfftakeInterestsNetOfTax
929 075 - Disclosure - Exploration and evaluation (Narrative) (Details) Network

*

*

 http://www.osiskomining.com/role/ExplorationAndEvaluationNarrativeDetails
930 Statements Table Table

*

*

 or:StatementsTable
931 Range [Axis] Axis ifrs-full:RangeAxis
932 Ranges [Domain] Member ifrs-full:RangesMember
933 Top of range [Member] Member ifrs-full:TopOfRangeMember
934 Bottom of range [Member] Member ifrs-full:BottomOfRangeMember
935 Increase [Member] Member or:IncreaseInEquityPricesMember
936 Decrease [Member] Member or:DecreaseInEquityPricesMember
937 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
938 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
939 Osisko Mining [Member] Member or:OsiskoMiningMember
940 Mines Coulon Inc. [Member] Member or:MinesCoulonIncMember
941 Dalradian Resources Inc. [Member] Member or:DalradianResourcesIncMember
942 Taseko [Member] Member or:TasekoMember
943 CDP Investissements Inc. [Member] Member or:CdpInvestissementsIncMember
944 Types of investment property [Axis] Axis ifrs-full:TypesOfInvestmentPropertyAxis
945 Investment property [Domain] Member ifrs-full:InvestmentPropertyMember
946 Kan property [Member] Member or:KanPropertyMember
947 26 Exploration properties [Member] Member or:TwoSixExplorationPropertiesMember
948 Curraghinalt Gold Project [Member] Member or:CurraghinaltGoldProjectMember
949 27 Exploration properties [Member] Member or:TwoSevenExplorationPropertiesMember
950 Legal Entity [Axis] Axis dei:LegalEntityAxis
951 Entity [Domain] Member dei:EntityDomain
952 Statements Line Items LineItems or:StatementsLineItems
953 Impairment Concept (Monetary) For Period Credit or:ImpairmentLossReversalOfImpairmentLossAssetsArisingFromExplorationAndEvaluationOfMineralResources
954 Impairment charge, net of income taxes Concept (Monetary) For Period Debit or:ImpairmentLossReversalOfImpairmentLossAssetsArisingFromExplorationAndEvaluationOfMineralResourcesNetOfIncomeTaxes
955 Earn-in agreement description Concept (Text/String) For Period or:EarnInAgreementDescription
956 Net smelter return Concept (Percent) For Period or:NetSmelterReturn
957 Net book value Concept (Monetary) As Of Debit ifrs-full:AssetsArisingFromExplorationForAndEvaluationOfMineralResources
958 Investments by Farmee Concept (Monetary) As Of Debit or:InvestmentsByFarmee
959 Total earnout amount Concept (Monetary) As Of Debit or:TotalEarnoutAmount
960 076 - Disclosure - Provisions and other liabilities (Narrative) (Details) Network

*

*

 http://www.osiskomining.com/role/DisclosureDisclosureOfProvisionsExplanatoryDetails
961 Statements Table Table

*

*

 or:StatementsTable
962 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
963 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
964 Mines Coulon Inc. [Member] Member or:MinesCoulonIncMember
965 Legal Entity [Axis] Axis dei:LegalEntityAxis
966 Entity [Domain] Member dei:EntityDomain
967 Statements Line Items LineItems or:StatementsLineItems
968 Non-controlling interests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
969 Exercise of share exchange rights Concept (Shares) For Period or:IncreaseDecreaseThroughExerciseOfShareExchangeRightsShares
970 077 - Disclosure - Long-term debt (Narrative) (Details) Network

*

*

 http://www.osiskomining.com/role/DisclosureDisclosureOfBorrowingsExplanatoryDetails
971 Statements Table Table

*

*

 or:StatementsTable
972 Range [Axis] Axis ifrs-full:RangeAxis
973 Ranges [Domain] Member ifrs-full:RangesMember
974 Top of range [Member] Member ifrs-full:TopOfRangeMember
975 Bottom of range [Member] Member ifrs-full:BottomOfRangeMember
976 Increase [Member] Member or:IncreaseInEquityPricesMember
977 Decrease [Member] Member or:DecreaseInEquityPricesMember
978 Classes of financial instruments [Axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
979 Financial instruments, class [Domain] Member ifrs-full:ClassesOfFinancialInstrumentsMember
980 Revolving credit facility [Member] Member or:LineOfCreditsMember
981 Liability component of convertible debenture [Member] Member or:LiabilityComponentOfConvertibleDebentureMember
982 Equity component of convertible instruments [Member] Member ifrs-full:ReserveOfEquityComponentOfConvertibleInstrumentsMember
983 Convertible Debts Member Member or:ConvertibleDebtsMember
984 Public Offering [Member] Member or:PublicOfferingMember
985 Private Placements Member Member or:PrivatePlacementsMember
986 Convertible debenture 2016 [Member] Member or:ConvertibleDebentureTwoZeroOneSixMember
987 Convertible debenture 2017 [Member] Member or:ConvertibleDebentureTwoZeroOneSevenMember
988 Variable Rates Axis Axis or:VariableRatesAxis
989 Variable Rates Domain Member or:VariableRatesDomain
990 London Interbank Offered Rates Libor [Member] Member or:LondonInterbankOfferedRatesLiborMember
991 Legal Entity [Axis] Axis dei:LegalEntityAxis
992 Entity [Domain] Member dei:EntityDomain
993 Statements Line Items LineItems or:StatementsLineItems
994 Revolving credit facility Concept (Monetary) As Of Credit ifrs-full:UnsecuredBankLoansReceived
995 Allowable increase in Facility Concept (Monetary) As Of Credit or:AllowableIncreaseInFacility
996 Standby fee Concept (Percent) As Of or:StandbyFee
997 Borrowings, interest rate basis Concept (Text/String) For Period ifrs-full:BorrowingsInterestRateBasis
998 Convertible debenture Concept (Monetary) As Of Credit or:ConvertibleDebentures
999 Borrowings, interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1000 Financing fee Concept (Percent) As Of or:FinancingFee
1001 Description of conversion of debt to equity Concept (Text/String) For Period ifrs-full:DescriptionOfConversionOfDebtToEquity
1002 Conversion price Concept (Decimal) For Period or:ConversionRate
1003 Convertible debt after transaction costs Concept (Monetary) As Of Credit or:NetProceedsConvertibleDebt
1004 Transaction costs Concept (Monetary) For Period Debit ifrs-full:BorrowingCostsRecognisedAsExpense
1005 Long-term debt Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
1006 Equity component of convertible debentures, taxes Concept (Monetary) For Period Debit or:EquityComponentOfConvertibleDebentureTaxes
1007 Amortization of transaction costs Concept (Monetary) As Of Debit or:AmortisationOfTransactionCosts
1008 Accretion expense Concept (Monetary) For Period Debit or:AccretionExpenses
1009 Commission percentage Concept (Percent) For Period or:CommissionPercentage
1010 Effective interest rate Concept (Percent) As Of or:EffectiveInterestRate
1011 Accordion feature Concept (Monetary) For Period Credit or:AccordionFeature
1012 Deferred financing costs Concept (Monetary) For Period Credit or:DeferredFinancingCosts
1013 Amortization of financing costs Concept (Monetary) As Of Debit or:AmortizationOfFinancingCost
1014 Applicable margin facility Concept (Monetary) As Of Credit or:ApplicableMarginFacility
1015 Effective Interest Rate Applicable Margin Facility Concept (Percent) For Period or:EffectiveInterestRateApplicableMarginFacility
1016 078 - Disclosure - Share capital (Narrative) (Details) Network

*

*

 http://www.osiskomining.com/role/DisclosureDisclosureOfIssuedCapitalExplanatoryDetails
1017 Statements Table Table

*

*

 or:StatementsTable
1018 Components of equity [Axis] Axis ifrs-full:ComponentsOfEquityAxis
1019 Equity components [Domain] Member ifrs-full:EquityMember
1020 Common shares Member ifrs-full:IssuedCapitalMember
1021 Warrants [Member] Member or:WarrantsMember
1022 Special Warrants [Member] Member or:SpecialWarrantsMember
1023 Issued and fully paid [Member] Member or:IssuedAndFullyPaidMember
1024 Measurement [Axis] Axis ifrs-full:MeasurementAxis
1025 Aggregated measurement [Domain] Member ifrs-full:AggregatedMeasurementMember
1026 Fair value [Member] Member ifrs-full:AtFairValueMember
1027 Range [Axis] Axis ifrs-full:RangeAxis
1028 Ranges [Domain] Member ifrs-full:RangesMember
1029 January 15, 2019 Member ifrs-full:TopOfRangeMember
1030 Bottom of range [Member] Member ifrs-full:BottomOfRangeMember
1031 Increase [Member] Member or:IncreaseInEquityPricesMember
1032 Decrease [Member] Member or:DecreaseInEquityPricesMember
1033 Classes of Dividends [Axis] Axis or:ClassesOfDividendsAxis
1034 Classes of dividends and declaration [Domain] Member or:ClassesOfDividendsAndDeclarationDomain
1035 Dividend reinvestment plan [Member] Member or:DividendReinvestmentPlanMember
1036 February 16, 2016 [Member] Member or:FebruaryOneSixTwoZeroOneSixMember
1037 May 4, 2016 [Member] Member or:MayFourTwoZeroOneSixMember
1038 August 4, 2016 [Member] Member or:AugustFourTwoZeroOneSixMember
1039 November 9, 2016 [Member] Member or:NovemberNineTwoZeroOneSixMember
1040 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1041 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1042 Fonds [Member] Member or:FondsMember
1043 Teck [Member] Member or:TeckMember
1044 Mines Coulon Inc. [Member] Member or:MinesCoulonIncMember
1045 CDP Investissements Inc. [Member] Member or:CdpInvestissementsIncMember
1046 Types of equity transactions [Axis] Axis or:TypesOfEquityTransactionsAxis
1047 Equity transactions [Domain] Member or:EquityTransactionsDomain
1048 Private Placements Member Member or:PrivatePlacementsMember
1049 Capital Commitments [Axis] Axis or:CapitalCommitmentsAxis
1050 Capital Commitments [Domain] Member or:CapitalCommitmentsDomain
1051 Capital Commitments representing 2% [Member] Member or:CapitalCommitmentsRepresentingTwoMember
1052 Capital Commitments representing 5% [Member] Member or:CapitalCommitmentsRepresentingFiveMember
1053 Scenario [Axis] Axis or:ScenarioAxis
1054 Scenariounspecified [Domain] Member or:ScenariounspecifiedDomain
1055 Approximations [Member] Member or:ApproximationsMember
1056 Legal Entity [Axis] Axis dei:LegalEntityAxis
1057 Entity [Domain] Member dei:EntityDomain
1058 Statements Line Items LineItems or:StatementsLineItems
1059 Number of shares outstanding Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
1060 Shares issued from escrow, shares Concept (Shares) For Period or:IncreaseDecreaseThroughSharesIssuedFromEscrowShares
1061 Exercise price, units Concept (Share) For Period or:ExercisePriceUnitsIssued
1062 Description of employee share purchase plan Concept (Text/String) For Period or:DescriptionOfEmployeeSharePurchasePlan
1063 Amount of outstanding common shares reserved for issuance under Employee Share Purchase Plan Concept (Percent) For Period or:AmountOfOutstandingCommonSharesReservedForIssuanceUnderEmployeeSharePurchasePlan
1064 Increase (decrease) in number of shares outstanding Concept (Shares) For Period ifrs-full:IncreaseDecreaseInNumberOfSharesOutstanding
1065 Increase (decrease) in number of units issued Concept (Shares) For Period or:IncreaseDecreaseInNumberOfUnitsIssued
1066 Proceeds from exercise of options, aggregate amount Concept (Monetary) For Period Debit ifrs-full:ProceedsFromExerciseOfOptions
1067 Proceeds from exercise of options, net amount Concept (Monetary) For Period Credit or:IncreaseDecreaseInNumberOfUnitsIssuedAmount
1068 Conversion rate Concept (Decimal) For Period or:ConversionRate
1069 Equity amount Concept (Monetary) For Period Credit ifrs-full:IssueOfEquity
1070 Exercise price, common shares Concept (Share) For Period or:ExercisePriceCommonShares
1071 Exercise price, warrants Concept (Share) For Period or:ExercisePriceWarrants
1072 Expected dividend, warrants Concept (Percent) For Period or:ExpectedDividendWarrants
1073 Expected life, warrants Concept (Text/String) For Period or:DescriptionOfLifeWarrants
1074 Expected volitility, warrants Concept (Percent) For Period or:ExpectedVolitilityWarrants
1075 Risk free interest rate, warrants Concept (Percent) For Period or:RiskFreeInterestRateWarrants
1076 Transaction costs Concept (Monetary) For Period Debit or:IncreaseDecreaseThroughIssuanceCostsIncludingTax
1077 Transaction costs, net of income taxes Concept (Monetary) For Period Debit or:IncreaseDecreaseThroughIssueCosts
1078 Issuance of Special Warrants Concept (Shares) For Period or:IncreaseDecreaseThroughSpecialWarrantsIssuanceShares
1079 Exercise price, Special Warrants Concept (Share) For Period or:ExercisePriceSpecialWarrants
1080 Proceeds from issuance of Special Warrants Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughExerciseOfWarrantsEquity
1081 Conversion of Special Warrants, common shares Concept (Share) For Period or:ConversionOfSpecialWarrants
1082 Warrants issued Concept (Decimal) For Period or:WarrantsGrantsInPeriod
1083 NCIB description Concept (Text/String) For Period or:NcibDescription
1084 Daily purchases of common shares, limit Concept (Shares) For Period or:DailyPurchasesOfCommonSharesLimit
1085 Block purchase exemptions, common shares Concept (Shares) For Period or:BlockPurchaseExemptionsCommonShares
1086 Average daily trading volume Concept (Shares) For Period or:AverageDailyTradingVolume
1087 Normal course issuer bid purchase of common shares. amount Concept (Monetary) For Period Debit or:IncreaseDecreaseThroughNormalCourseIssuerBidPurchaseOfCommonShares
1088 Purchased of cancellation share under 2017 NCIB program Concept (Shares) For Period or:PurchasedOfCancellationShareUnder2017NcibProgram
1089 Purchased of cancellation shares value under 2017 NCIB program Concept (Monetary) For Period Credit or:PurchasedOfCancellationSharesValueUnder2017NcibProgram
1090 Purchased of cancellation share under 2018 NCIB program Concept (Shares) For Period or:PurchasedOfCancellationShareUnder2018NcibProgram
1091 Purchased of cancellation shares value under 2018 NCIB program Concept (Monetary) For Period Credit or:PurchasedOfCancellationSharesValueUnder2018NcibProgram
1092 Total purchased of cancellation shares of NCIB program Concept (Shares) For Period or:TotalPurchasedOfCancellationSharesOfNcibProgram
1093 Total purchased of cancellation shares value of NCIB program Concept (Monetary) For Period Credit or:TotalPurchasedOfCancellationSharesValueOfNcibProgram
1094 Accounts payable and accrued liabilities Concept (Monetary) As Of Credit or:AccountsPayableAndAccruedLiabilities
1095 Common shares elected to participate in dividend reinvestment plan Concept (Shares) For Period or:CommonSharesElectedToParticipateInDividendReinvestmentPlan
1096 Dividends payable Concept (Monetary) As Of Credit ifrs-full:DividendsPayable
1097 Cost of investment at conversion Concept (Monetary) As Of Debit or:CostOfInvestmentAtConversion
1098 Shares issued under dividend reinvestment plan Concept (Shares) For Period or:SharesIssuedUnderDividendReinvestmentPlan
1099 Discount under dividend reinvestment plan Concept (Percent) For Period or:DiscountUnderDividendReinvestmentPlan
1100 Number of shares issued Concept (Decimal) As Of ifrs-full:NumberOfInstrumentsOrInterestsIssuedOrIssuable
1101 Share issued, value Concept (Monetary) As Of Credit or:SharesIssuedValue
1102 Share subscriptions Concept (Monetary) For Period Credit or:BuyBackExercised
1103 Shares issued for private placement Concept (Shares) For Period or:SharesIssuedForPrivatePlacement
1104 Exercise price, common shares, private placement Concept (Share) For Period or:ExercisePriceCommonSharesPrivatePlacement
1105 Capital commitment, percentage Concept (Percent) For Period or:CapitalCommitmentPercentage
1106 Capital commitment, shares to be issued Concept (Shares) For Period or:CapitalCommitmentSharesIssued
1107 Capital commitments Concept (Monetary) As Of Credit ifrs-full:CapitalCommitments
1108 Additional fees related to financing Concept (Monetary) For Period Debit or:AdditionalFeesRelatedToFinancing
1109 Income taxes on additional fees Concept (Monetary) For Period Debit or:IncomeTaxesOnAdditionalFees
1110 Exercise of share exchange rights Concept (Shares) For Period or:IncreaseDecreaseThroughExerciseOfShareExchangeRightsShares
1111 Description of share exchange right Concept (Text/String) For Period or:DescriptionOfShareExchangeRight
1112 Accordion feature Concept (Monetary) For Period Credit or:AccordionFeature
1113 079 - Disclosure - Warrants (Narrative) (Details) Network

*

*

 http://www.osiskomining.com/role/WarrantsNarrativeDetails
1114 Statements Table Table

*

*

 or:StatementsTable
1115 Maturity [Axis] Axis ifrs-full:MaturityAxis
1116 Aggregated time bands [Domain] Member ifrs-full:AggregatedTimeBandsMember
1117 March 5, 2022 [Member] Member or:MarchFiveTwoZeroTwoTwoMember
1118 February 26, 2019 [Member] Member or:FebruaryTwoSixTwoZeroOneNineMember
1119 Legal Entity [Axis] Axis dei:LegalEntityAxis
1120 Entity [Domain] Member dei:EntityDomain
1121 Statements Line Items LineItems or:StatementsLineItems
1122 Exercise price, warrants Concept (Share) For Period or:ExercisePriceCommonShares
1123 Number of warrants entitled to purchase one common share Concept (Shares) For Period or:NumberOfWarrantsEntitledToPurchaseCommonShares
1124 080 - Disclosure - Share-based compensation (Narrative) (Details) Network

*

*

 http://www.osiskomining.com/role/DisclosureDisclosureOfSharebasedPaymentArrangementsExplanatoryDetails
1125 Statements Table Table

*

*

 or:StatementsTable
1126 Classes of other provisions [Axis] Axis ifrs-full:ClassesOfProvisionsAxis
1127 Other provisions [Domain] Member ifrs-full:OtherProvisionsMember
1128 DSU and RSU [Member] Member or:DeferredShareUnitsAndRestrictedShareUnitsMember
1129 RSU [Member] Member or:RestrictedShareUnitsMember
1130 Classes of property, plant and equipment [Axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1131 Property, plant and equipment [Domain] Member ifrs-full:PropertyPlantAndEquipmentMember
1132 Exploration and evaluation [Member] Member ifrs-full:ExplorationAndEvaluationAssetsMember
1133 Leasehold improvements [Member] Member ifrs-full:LeaseholdImprovementsMember
1134 Legal Entity [Axis] Axis dei:LegalEntityAxis
1135 Entity [Domain] Member dei:EntityDomain
1136 Statements Line Items LineItems or:StatementsLineItems
1137 Weighted average share price Concept (Monetary) For Period ifrs-full:WeightedAverageSharePrice
1138 Share-based compensation related to share options Concept (Monetary) For Period Debit or:SharebasedCompensationRelatedToShareOptions
1139 Share-based compensation capitalized Concept (Monetary) For Period Debit or:SharebasedCompensationCapitalized
1140 Share-based compensation Concept (Monetary) For Period Debit or:ShareBasedCompensations
1141 Number of restricted stock units granted Concept (Shares) For Period or:NumberOfRestrictedStockUnitsGranted
1142 Value of restricted stock units granted Concept (Monetary) For Period Credit or:NumberOfRestrictedStockUnitsGrantedValue
1143 Weighted average value Concept (Share) For Period or:WeightedAverageValueRestrictedStockUnitsGranted
1144 Number of units, transfer from cash-settled to equity-settled Concept (Decimal) For Period or:NumberOfOtherEquityInstrumentsTransferFromCashToEquitySettledInSharebasedPaymentArrangement
1145 Closing price of the common shares Concept (Monetary) For Period Debit or:ClosingPricesOfCommonShares
1146 Marginal income tax rate Concept (Percent) For Period or:MarginalIncomeTaxRate
1147 Employees tax obligations settlement amount related to vested RSU Concept (Monetary) For Period Credit or:EmployeesTaxObligationsSettlementAmountRelatedToVestedRestrictedShareUnits
1148 Employees tax obligations settlement amount related to outstanding RSU Concept (Monetary) For Period Credit or:EmployeesTaxObligationsSettlementAmountRelatedToOutstandingRestrictedShareUnits
1149 081 - Disclosure - Income taxes (Narrative) (Details) Network

*

*

 http://www.osiskomining.com/role/DisclosureDisclosureOfIncomeTaxExplanatoryDetails
1150 Statements Table Table

*

*

 or:StatementsTable
1151 Range [Axis] Axis ifrs-full:RangeAxis
1152 Ranges [Domain] Member ifrs-full:RangesMember
1153 Top of range [Member] Member ifrs-full:TopOfRangeMember
1154 Bottom of range [Member] Member ifrs-full:BottomOfRangeMember
1155 Increase [Member] Member or:IncreaseInEquityPricesMember
1156 Decrease [Member] Member or:DecreaseInEquityPricesMember
1157 Income tax jurisdictions [Axis] Axis or:IncomeTaxJurisdictionsAxis
1158 Income tax jurisdictions [Domain] Member or:IncomeTaxJurisdictionsDomain
1159 Quebec [Member] Member or:QuebecMember
1160 UNITED STATES Member country:US
1161 Legal Entity [Axis] Axis dei:LegalEntityAxis
1162 Entity [Domain] Member dei:EntityDomain
1163 Statements Line Items LineItems or:StatementsLineItems
1164 Statutory tax rate Concept (Percent) For Period ifrs-full:ApplicableTaxRate
1165 Change in tax rate Concept (Percent) For Period or:TaxRateChangeAmount
1166 Tax rate effect from change in tax rate Concept (Percent) For Period ifrs-full:TaxRateEffectFromChangeInTaxRate
1167 Tax effect from change in tax rate Concept (Monetary) For Period Debit ifrs-full:TaxEffectFromChangeInTaxRate
1168 Tax rate effect of Federal tax rate Concept (Percent) For Period ifrs-full:TaxRateEffectOfForeignTaxRates
1169 Tax effect of Federal tax rate Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfForeignTaxRates
1170 Unrecognized deferred tax liabilities Concept (Monetary) For Period Credit or:UnrecognizedDeferredTaxLiabilities
1171 082 - Disclosure - Financial risks (Narrative) (Details) Network

*

*

 http://www.osiskomining.com/role/DisclosureDisclosureOfFinancialRiskManagementExplanatoryDetails
1172 Statements Table Table

*

*

 or:StatementsTable
1173 Range [Axis] Axis ifrs-full:RangeAxis
1174 Ranges [Domain] Member ifrs-full:RangesMember
1175 Increase [Member] Member or:IncreaseInEquityPricesMember
1176 Decrease [Member] Member or:DecreaseInEquityPricesMember
1177 Types of risks [Axis] Axis ifrs-full:TypesOfRisksAxis
1178 Risks [Domain] Member ifrs-full:TypesOfRisksMember
1179 Currency risk [Member] Member ifrs-full:CurrencyRiskMember
1180 Market risk [Member] Member ifrs-full:MarketRiskMember
1181 Interest rate risk [Member] Member ifrs-full:InterestRateRiskMember
1182 Commodity Price Risk [Member] Member ifrs-full:CommodityPriceRiskMember
1183 Other price risk [Member] Member ifrs-full:OtherPriceRiskMember
1184 Foreign exchange risk [Member] Member or:ForeignExchangeRiskMember
1185 Maturity [Axis] Axis ifrs-full:MaturityAxis
1186 Aggregated time bands [Domain] Member ifrs-full:AggregatedTimeBandsMember
1187 No later than 5 years [Member] Member ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
1188 Later than five years [Member] Member ifrs-full:LaterThanFiveYearsMember
1189 March 5, 2022 [Member] Member or:MarchFiveTwoZeroTwoTwoMember
1190 February 26, 2019 [Member] Member or:FebruaryTwoSixTwoZeroOneNineMember
1191 Type Of Financial Liabilities [Axis] Axis or:TypeOfFinancialLiabilitiesAxis
1192 Types of financial liabilities [Domain] Member or:TypesOfFinancialLiabilitiesDomain
1193 Financial liabilities [Member] Member ifrs-full:FinancialLiabilitiesMember
1194 Scenario [Axis] Axis or:ScenarioAxis
1195 Scenariounspecified [Domain] Member or:ScenariounspecifiedDomain
1196 Approximations [Member] Member or:ApproximationsMember
1197 Legal Entity [Axis] Axis dei:LegalEntityAxis
1198 Entity [Domain] Member dei:EntityDomain
1199 Statements Line Items LineItems or:StatementsLineItems
1200 Sensitivity analysis, variance, percentage Concept (Percent) For Period or:SensitivityAnalysisVariancePrice
1201 Effect of variance on net earnings Concept (Monetary) For Period Credit or:EffectOfVarianceOnNetEarnings
1202 Effect of variance increase decrease on net earnings Concept (Monetary) For Period Credit or:EffectOfVarianceIncreaseDecreaseOnNetEarnings
1203 Effect of variance increase decrease on other comprehensive income Concept (Monetary) For Period Credit or:EffectOfVarianceIncreaseDecreaseOnOtherComprehensiveIncome
1204 Convertible debt Concept (Monetary) As Of Debit ifrs-full:OtherDebtInstrumentsHeld
1205 Interest expense on borrowings Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnBorrowings
1206 Purchase price, acquisition of assets Concept (Monetary) For Period Debit or:PurchasePriceAcquisitionOfAssets
1207 Foreign exchange forward contract Concept (Monetary) As Of Credit or:ForeignExchangeForwardContract
1208 Cash transferred Concept (Monetary) As Of Credit ifrs-full:CashTransferred
1209 Weighted average rate Concept (Decimal) As Of or:WeightedAverageRate
1210 Balance owing, foreign exchange forward contract Concept (Monetary) As Of Debit or:BalanceOwingForeignExchangeForwardContract
1211 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1212 083 - Disclosure - Fair Value of financial instruments (Narrative) (Details) Network

*

*

 http://www.osiskomining.com/role/DisclosureDisclosureOfFairValueOfFinancialInstrumentsExplanatoryDetails
1213 Statements Table Table

*

*

 or:StatementsTable
1214 Range [Axis] Axis ifrs-full:RangeAxis
1215 Ranges [Domain] Member ifrs-full:RangesMember
1216 Increase [Member] Member or:IncreaseInEquityPricesMember
1217 Decrease [Member] Member or:DecreaseInEquityPricesMember
1218 Levels of fair value hierarchy [Axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1219 All levels of fair value hierarchy [Domain] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
1220 Level 3 [Member] Member ifrs-full:Level3OfFairValueHierarchyMember
1221 Valuation techniques used in fair value measurement [axis] Axis ifrs-full:ValuationTechniquesUsedInFairValueMeasurementAxis
1222 Valuation techniques [member] Member ifrs-full:ValuationTechniquesMember
1223 Discounted cash flow [member] Member ifrs-full:DiscountedCashFlowMember
1224 Legal Entity [Axis] Axis dei:LegalEntityAxis
1225 Entity [Domain] Member dei:EntityDomain
1226 Statements Line Items LineItems or:StatementsLineItems
1227 Sensitivity analysis, variance, percentage Concept (Percent) For Period or:SensitivityAnalysisVariancePrice
1228 Effect of variance on fair value Concept (Monetary) For Period Debit or:EffectOfVarianceOnFairValue
1229 Percentage of increase (decrease) on gold price Concept (Percent) For Period or:PercentageOfIncreaseDecreaseInExpectedPrice
1230 Basis points increase (decrease) on discount rate Concept (Pure) For Period or:BasisPointsIncreaseDecreaseOnDiscountRate
1231 Base price used in the discounted cash flow model Concept (Per Unit) For Period or:BaseGoldPriceUsedInDiscountedCashFlowModel
1232 Increase (decrease) in the fair value of investments Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInFairValueMeasurementEntitysOwnEquityInstruments
1233 Discount rate Concept (Percent) For Period or:DiscountRate
1234 084 - Disclosure - Segment disclosure (Narrative) (Details) Network

*

*

 http://www.osiskomining.com/role/DisclosureDisclosureOfEntitysReportableSegmentsExplanatoryDetails
1235 Statements Table Table

*

*

 or:StatementsTable
1236 Geographical areas [Axis] Axis ifrs-full:GeographicalAreasAxis
1237 Geographical areas [Domain] Member ifrs-full:GeographicalAreasMember
1238 North America from Canada Member ifrs-full:CountryOfDomicileMember
1239 North America from United States Member ifrs-full:ForeignCountriesMember
1240 North American revenues from Canada and the United States Member or:NorthAmericanRevenuesFromCanadaAndUnitedStatesMember
1241 Segments [axis] Axis ifrs-full:SegmentsAxis
1242 Segments [member] Member ifrs-full:SegmentsMember
1243 Precious metals Member or:PreciousMetalsMember
1244 Diamonds Member or:DiamondsMember
1245 Categories of royalty, streams and interests [Axis] Axis or:CategoriesOfRoyaltyStreamsAndInterestsAxis
1246 Royalty interests, stream interests and other interests [Domain] Member or:RoyaltyInterestsStreamInterestsAndOtherInterestsDomain
1247 One royalty interest [Member] Member or:OneRoyaltyInterestMember
1248 Excluding offtakes Member or:ExcludingOfftakesMember
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1251 Percentage of entity's revenue Concept (Percent) For Period ifrs-full:PercentageOfEntitysRevenue
1252 Percentage of net interests from North America located in Canada and the United States Concept (Percent) For Period or:PercentageOfNetInterests
1253 085 - Disclosure - Related party transactions (Narrative) (Details) Network

*

*

 http://www.osiskomining.com/role/RelatedPartyTransactionsNarrativeDetails
1254 Statements Table Table

*

*

 or:StatementsTable
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1259 Revenue from rendering of services, related party transactions Concept (Monetary) For Period Credit ifrs-full:RevenueFromRenderingOfServicesRelatedPartyTransactions
1260 Services received, related party transactions Concept (Monetary) For Period Debit ifrs-full:ServicesReceivedRelatedPartyTransactions
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1262 Amounts receivable, related party transactions Concept (Monetary) As Of Debit ifrs-full:AmountsReceivableRelatedPartyTransactions
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1264 Financing agreement Concept (Monetary) For Period Debit or:FinancingAgreement
1265 086 - Disclosure - Commitments (Narrative) (Details) Network

*

*

 http://www.osiskomining.com/role/DisclosureDisclosureOfCommitmentsExplanatoryDetails
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*

*

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1267 Range [Axis] Axis ifrs-full:RangeAxis
1268 Ranges [Domain] Member ifrs-full:RangesMember
1269 Increase [Member] Member or:IncreaseInEquityPricesMember
1270 Decrease [Member] Member or:DecreaseInEquityPricesMember
1271 Royalty Stream And Other Interests [Axis] Axis or:RoyaltyStreamAndOtherInterestsAxis
1272 Royalty Interests [Domain] Member or:RoyaltyInterestsDomain
1273 Back Forty stream [Member] Member or:BackFortyStreamMember
1274 Brucejack stream [Member] Member or:BrucejackStreamMember
1275 Gibraltar stream [Member] Member or:GibraltarStreamMember
1276 Amulsar Offtake [Member] Member or:AmulsarOfftakeMember
1277 Types of requirements [Axis] Axis or:TypesOfRequirementsAxis
1278 Requirements [Domain] Member or:RequirementsDomain
1279 2nd Anniversary [Member] Member or:TwondAnniversaryMember
1280 3rd Anniversary [Member] Member or:ThreerdAnniversaryMember
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1282 After reaching 19,300,000 ounces [Member] Member or:AfterReachingOneNineThreeZeroZeroZeroZeroZeroOuncesMember
1283 Until reaching the delivery of 5.9 million ounces of silver [Member] Member or:UntilReachingTheDeliveryOfFiveNineMillionOuncesOfSilverMember
1284 After reaching 5.9 million ounces of silver [Member] Member or:AfterReachingFiveNineMillionOuncesOfSilverMember
1285 Until reaching 105,000 ounces of gold [Member] Member or:UntilReachingOneZeroFiveZeroZeroZeroOuncesOfGoldMember
1286 After reaching 105,000 ounces of gold [Member] Member or:AfterReachingOneZeroFiveZeroZeroZeroOuncesOfGoldMember
1287 Upon receipt by Aquila all material permits [Member] Member or:UponReceiptByAquilaAllMaterialPermitsMember
1288 After a positive construction decision for the property [Member] Member or:AfterAPositiveConstructionDecisionForThePropertyMember
1289 Upon the first drawdown of an appropriate project debt finance facility [Member] Member or:UponTheFirstDrawdownOfAnAppropriateProjectDebtFinanceFacilityMember
1290 Legal Entity [Axis] Axis dei:LegalEntityAxis
1291 Entity [Domain] Member dei:EntityDomain
1292 Statements Line Items LineItems or:StatementsLineItems
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1302 Whole payment option Concept (Monetary) For Period Debit or:WholePaymentOption
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1307 Amount paid on closing Concept (Monetary) For Period Credit or:AmountPaidOnClosing
1308 Amount payable Concept (Monetary) For Period Credit or:AmountPayableUponReceipt
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1311 Gold per ounces, attributable to OBL (less any ounces delivered pursuant to the Amulsar stream) Concept (Decimal) For Period or:GoldAttributableToObl
1312 087 - Disclosure - Subsequent events (Narrative) (Details) Network

*

*

 http://www.osiskomining.com/role/DisclosureDisclosureOfEventsAfterReportingPeriodExplanatoryDetails
1313 Statements Table Table

*

*

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1314 Subsequents Events [Axis] Axis or:SubsequentsEventsAxis
1315 Subsequent Event [Domain] Member or:SubsequentEventDomain
1316 Subsequent events [Member] Member ifrs-full:NonadjustingEventsMember
1317 Normal Course Issuer Bid Program [Axis] Axis or:NormalCourseIssuerBidProgramAxis
1318 Normal-Course Issuer Bid Program [Domain] Member or:Normal-CourseIssuerBidProgramDomain
1319 2018 NCIB Program Member or:Normal-CourseIssuerBidProgram2018Member
1320 Legal Entity [Axis] Axis dei:LegalEntityAxis
1321 Entity [Domain] Member dei:EntityDomain
1322 Statements Line Items LineItems or:StatementsLineItems
1323 Repayment of remaining outstanding amount related to revolving credit facility Concept (Monetary) As Of Credit or:RepaymentOfBorrowing
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1326 Dividend per share Concept (Share) As Of or:DividendPerShare
1327 088 - Disclosure - Disclosure of detailed information about estimated useful life or depreciation rate (Details) Network

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*

 http://www.osiskomining.com/role/DisclosureDisclosureOfDetailedInformationAboutEstimatedUsefulLifeOrDepreciationRateExplanatoryDetails
1328 Statements Table Table

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*

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1332 Furniture and office equipment [Member] Member ifrs-full:OfficeEquipmentMember
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1334 Exploration and evaluation [Member] Member ifrs-full:ExplorationAndEvaluationAssetsMember
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1338 Useful life of property, plant and equipment Concept (Text/String) For Period ifrs-full:UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment
1339 089 - Disclosure - Disclosure of detailed information about purchase price allocation (Details) Network

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 http://www.osiskomining.com/role/DisclosureDisclosureOfDetailedInformationAboutPurchasePriceAllocationTableTextBlockDetails
1340 Statements Table Table

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*

 or:StatementsTable
1341 Legal Entity [Axis] Axis dei:LegalEntityAxis
1342 Entity [Domain] Member dei:EntityDomain
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1356 090 - Disclosure - Disclosure of detailed information about cash and cash equivalents (Details) Network

*

*

 http://www.osiskomining.com/role/DisclosureDisclosureOfDetailedInformationAboutCashAndCashEquivalentsExplanatoryDetails
1357 Statements Table Table

*

*

 or:StatementsTable
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1362 Cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashEquivalents
1363 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1364 091 - Disclosure - Disclosure of detailed information about trade and other receivables (Details) Network

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*

 http://www.osiskomining.com/role/DisclosureDisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatoryDetails
1365 Statements Table Table

*

*

 or:StatementsTable
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1367 Entity [Domain] Member dei:EntityDomain
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1371 Interest income receivable Concept (Monetary) As Of Debit ifrs-full:InterestReceivable
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1374 Accounts receivable Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
1375 092 - Disclosure - Disclosure of transactions recognised separately from acquisition of assets and assumption of liabilities in business combination (Details) Network

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*

 http://www.osiskomining.com/role/DisclosureDisclosureOfTransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationExplanatoryDetails
1376 Statements Table Table

*

*

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1377 Legal Entity [Axis] Axis dei:LegalEntityAxis
1378 Entity [Domain] Member dei:EntityDomain
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1381 Acquistions Concept (Monetary) For Period Debit or:AcquisitionsInvestmentInAssociates
1382 Exercise of warrants Concept (Monetary) For Period Debit or:ExerciseOfWarrantsBusinessCombination
1383 Transfer from other investments (Note 13) Concept (Monetary) For Period Credit or:TransferFromOtherInvestments
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1385 Share of other comprehensive income (loss), net Concept (Monetary) For Period Credit ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
1386 Net gain on ownership dilution Concept (Monetary) For Period Credit or:NetGainLossOnOwnershipDilution
1387 Gain on deemed disposal Concept (Monetary) For Period Credit ifrs-full:GainsOnDisposalsOfInvestments
1388 Transfer to other investments Concept (Monetary) For Period Credit or:TransferToOtherInvestments
1389 Disposals Concept (Monetary) For Period Credit or:DisposalsOfInvestments
1390 Investments in associates end of period Concept (Monetary) As Of Debit or:InvestmentsInAssociatesEndOfPeriod
1391 093 - Disclosure - Disclosure of associates (Details) Network

*

*

 http://www.osiskomining.com/role/DisclosureDisclosureOfSignificantInvestmentsInAssociatesExplanatoryDetails
1392 Statements Table Table

*

*

 or:StatementsTable
1393 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1394 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1395 Osisko Mining [Member] Member or:OsiskoMiningMember
1396 Barkerville [Member] Member or:BarkervilleMember
1397 Victoria [Member] Member or:VictoriaMember
1398 Falco [Member] Member or:FalcoMember
1399 Dalradian Resources Inc. [Member] Member or:DalradianResourcesIncMember
1400 Taseko [Member] Member or:TasekoMember
1401 CDP Investissements Inc. [Member] Member or:CdpInvestissementsIncMember
1402 Legal Entity [Axis] Axis dei:LegalEntityAxis
1403 Entity [Domain] Member dei:EntityDomain
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1414 Fair value of investment Concept (Monetary) As Of Debit ifrs-full:FairValueOfInvestmentsInAssociatesWherePriceQuotationsPublished
1415 094 - Disclosure - Disclosure of investments accounted for using equity method (Details) Network

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*

 http://www.osiskomining.com/role/DisclosureDisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatoryDetails
1416 Statements Table Table

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*

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1421 Entity [Domain] Member dei:EntityDomain
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1427 095 - Disclosure - Disclosure of detailed information about other investments (Details) Network

*

*

 http://www.osiskomining.com/role/DisclosureDisclosureOfDetailedInformationAboutOtherInvestmentsExplanatoryTableTextBlockDetails
1428 Statements Table Table

*

*

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1433 Amortized cost [Member] Member or:AmortizedCostMember
1434 Fair value [Member] Member ifrs-full:AtFairValueMember
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1447 Total Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentFinancialAssets
1448 096 - Disclosure - Disclosure of detailed information about royalty interests (Details) Network

*

*

 http://www.osiskomining.com/role/DisclosureDisclosureOfDetailedInformationAboutRoyaltyInterestsExplanatoryTableTextBlockDetails
1449 Statements Table Table

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1460 Producing [Member] Member or:ProducingMember
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1466 Stream interests [Member] Member or:StreamInterestsMember
1467 Offtake interests [Member] Member or:OfftakeInterestsMember
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1469 Entity [Domain] Member dei:EntityDomain
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1485 097 - Disclosure - Disclosure of detailed information about buy-back and buy-down rights (Details) Network

*

*

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1486 Statements Table Table

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1513 098 - Disclosure - Disclosure of detailed information about exploration assets (Details) Network

*

*

 http://www.osiskomining.com/role/DisclosureDisclosureOfDetailedInformationAboutExplorationAssetsExplanatoryDetails
1514 Statements Table Table

*

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1530 099 - Disclosure - Dislclosure of detailed information about key assumptions for the CGU's (Details) Network

*

*

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1531 Statements Table Table

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1554 101 - Disclosure - Disclosure of other provisions (Details) Network

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1760 112 - Disclosure - Disclosure of detailed information about income taxes (Details) Network

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1814 115 - Disclosure - Disclosure of deferred taxes (Details) Network

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1928 Dilutive effect of convertible debenture Concept (Shares) For Period ifrs-full:DilutiveEffectOfConvertibleInstrumentsOnNumberOfOrdinaryShares
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1959 Decrease (increase) in other current assets Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInOtherAssets
1960 Decrease in accounts payable and accrued liabilities Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseDecreaseInOtherOperatingPayables
1961 Changes in non-cash working capital items Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInWorkingCapital
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1963 Accounts receivable on disposal of investments - end of period Concept (Monetary) As Of Debit or:AccountsReceivableOnDisposalOfInvestments
1964 Accounts payable on acquisition of investments - beginning of year Concept (Monetary) As Of Debit or:AccountsPayableOnAcquisitionOfInvestments
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1967 Tax credits receivable related to exploration and evaluation assets - end of period Concept (Monetary) As Of Debit or:TaxCreditsReceivableRelatedToExplorationAndEvaluationAssets
1968 Accounts payable and accrued liabilities related to exploration and evaluation assets - beginning of period Concept (Monetary) As Of Debit or:AccountsPayableAndAccruedLiabilitiesRelatedToExplorationAndEvaluationAssets
1969 Accounts payable and accrued liabilities related to exploration and evaluation assets - end of period Concept (Monetary) As Of Debit or:AccountsPayableAndAccruedLiabilitiesRelatedToExplorationAndEvaluationAssets
1970 Accounts payable and accrued liabilities related to financing fees Concept (Monetary) As Of Debit or:AccountsPayableAndAccruedLiabilitiesRelatedToFinancingFees
1971 Accounts payable and accrued liabilities related to financing fees Concept (Monetary) As Of Debit or:AccountsPayableAndAccruedLiabilitiesRelatedToFinancingFees
1972 Accounts payable and accrued liabilities related to share issue expenses - beginning of period Concept (Monetary) As Of Debit or:AccountsPayableAndAccruedLiabilitiesRelatedToShareIssueExpenses
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1974 Normal course issuer bid purchase of common shares payable - Beginning of year Concept (Monetary) As Of Debit or:NormalCourseIssuerBidPurchaseOfCommonSharesPayable
1975 Normal course issuer bid purchase of common shares payable - End of year Concept (Monetary) As Of Debit or:NormalCourseIssuerBidPurchaseOfCommonSharesPayable
1976 124 - Disclosure - Disclosure of detailed information about foreign currency risk explanatory (Details) Network

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2012 126 - Disclosure - Disclosure of significant observable inputs used in fair value measurement of equity (Details) Network

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2138 Atrributable payable production to be purchased, ounces Concept (Decimal) For Period or:AtrributablePayableProductionToBePurchasedOunces
2139 Attributable payable production to be purchased, percentage Concept (Percent) For Period or:AttributablePayableProductionToBePurchasedPercentage
2140 Per ounce/carat price Concept (Text/String) For Period or:PerOunceOrCaratPrice
2141 Term of agreement Concept (Text/String) For Period or:TermOfAgreement
2142 133 - Disclosure - Disclosure of detailed information about acquisition of royalties and streams (Details) Network

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 http://www.osiskomining.com/role/DisclosureOfDetailedInformationAboutAcquisitionOfRoyaltiesAndStreamsDetails
2143 Statements Table Table

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 or:StatementsTable
2144 Legal Entity [Axis] Axis dei:LegalEntityAxis
2145 Entity [Domain] Member dei:EntityDomain
2146 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
2147 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
2148 Victoria [Member] Member or:VictoriaMember
2149 Falco [Member] Member or:FalcoMember
2150 Barkerville [Member] Member or:BarkervilleMember
2151 Aquila Resources Inc [Member] Member or:AquilaResourcesIncMember
2152 Types of investment property [Axis] Axis ifrs-full:TypesOfInvestmentPropertyAxis
2153 Investment property [Domain] Member ifrs-full:InvestmentPropertyMember
2154 Back Forty Project [Member] Member or:BackFortyProjectMember
2155 Eagle Gold Project [Member] Member or:EagleGoldProjectMember
2156 Horne 5 [Member] Member or:HorneFiveMember
2157 Cariboo Gold project [Member] Member or:CaribooGoldMember
2158 Installments [Axis] Axis or:InstallmentsAxis
2159 Installments [Domain] Member or:InstallmentsDomain
2160 First Installments [Member] Member or:FirstInstallmentsMember
2161 Second Installments [Member] Member or:SecondInstallmentsMember
2162 Third Installments [Member] Member or:ThirdInstallmentsMember
2163 Four Installments [Member] Member or:FourInstallmentsMember
2164 Five Installments [Member] Member or:FiveInstallmentsMember
2165 Statements Line Items LineItems or:StatementsLineItems
2166 Installments Concept (Monetary) For Period Debit or:Installments
2167 Triggering Events Concept (Text/String) For Period or:TriggeringEvents
2168 134 - Disclosure - Disclosure of detailed information about commitments (Details) Network

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 http://www.osiskomining.com/role/DisclosureDisclosureOfDetailedInformationAboutCommitmentsExplanatoryTableTextBlockDetails
2169 Statements Table Table

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 or:StatementsTable
2170 Miscellaneous time bands [Axis] Axis or:MiscellaneousTimeBandsAxis
2171 Miscellaneous Time Bands [Domain] Member or:MiscellaneousTimeBandsDomain
2172 Not later than one year [Member] Member ifrs-full:NotLaterThanOneYearMember
2173 Later than one year and not later than two years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
2174 Later than two years and not later than three years [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
2175 Later than three years and not later than four years [member] Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
2176 Later than four years and not later than five years [member] Member ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
2177 Later than five years and not later than ten years [member] Member ifrs-full:LaterThanFiveYearsAndNotLaterThanTenYearsMember
2178 No later than 5 years [Member] Member ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
2179 Later than one year [Member] Member ifrs-full:LaterThanOneYearMember
2180 Legal Entity [Axis] Axis dei:LegalEntityAxis
2181 Entity [Domain] Member dei:EntityDomain
2182 Statements Line Items LineItems or:StatementsLineItems
2183 Minimum lease payments payable under non-cancellable operating lease Concept (Monetary) As Of Credit ifrs-full:MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease

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