New Gold Inc. /FI (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line Label Object Class Period Type Balance Report ElementName
1 1001 - Document - Document And Entity Information Network

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2 Implied Table Table

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3 Document and Entity Information [Abstract] Abstract ngd:DocumentAndEntityInformationAbstract
4 Document Type Concept (Submission Type) For Period dei:DocumentType
5 Amendment Flag Concept (Yes/No) For Period dei:AmendmentFlag
6 Document Period End Date Concept (Date) For Period dei:DocumentPeriodEndDate
7 Document Fiscal Year Focus Concept (Year) For Period dei:DocumentFiscalYearFocus
8 Document Fiscal Period Focus Concept (Fiscal Period) For Period dei:DocumentFiscalPeriodFocus
9 Entity Registrant Name Concept (Text/String) For Period dei:EntityRegistrantName
10 Entity Central Index Key Concept (CIK Number) For Period dei:EntityCentralIndexKey
11 Current Fiscal Year End Date Concept (Month/Day) For Period dei:CurrentFiscalYearEndDate
12 Entity Current Reporting Status Concept (Yes/No) For Period dei:EntityCurrentReportingStatus
13 Trading Symbol Concept (Text/String) For Period dei:TradingSymbol
14 Entity Common Stock, Shares Outstanding Concept (Shares) As Of dei:EntityCommonStockSharesOutstanding
15 Entity Emerging Growth Company Concept (Yes/No) For Period dei:EntityEmergingGrowthCompany
16 1002 - Statement - CONSOLIDATED INCOME STATEMENTS Network

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17 Implied Table Table

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18 Income Statement [Abstract] Abstract ifrs-full:IncomeStatementAbstract
19 Revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
20 Operating expenses Concept (Monetary) For Period Debit ifrs-full:OperatingExpense
21 Depreciation and depletion Concept (Monetary) For Period Debit ifrs-full:DepreciationAndAmortisationExpense
22 Revenue less cost of goods sold Concept (Monetary) For Period Credit ifrs-full:GrossProfit
23 Corporate administration Concept (Monetary) For Period Debit ifrs-full:AdministrativeExpense
24 Corporate restructuring Concept (Monetary) For Period Debit ifrs-full:ExpenseOfRestructuringActivities
25 Share-based payment expenses Concept (Monetary) For Period Debit ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees
26 Asset impairment Concept (Monetary) For Period Debit ifrs-full:ImpairmentLoss
27 Exploration and business development Concept (Monetary) For Period Debit ifrs-full:ExpenseArisingFromExplorationForAndEvaluationOfMineralResources
28 Loss from operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
29 Finance income Concept (Monetary) For Period Credit ifrs-full:FinanceIncome
30 Finance costs Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
31 Other gains Concept (Monetary) For Period Credit ifrs-full:OtherGainsLosses
32 Loss before taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
33 Income tax recovery Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
34 Loss from continuing operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromContinuingOperations
35 (Loss) earnings from discontinued operations, net of tax Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromDiscontinuedOperations
36 Net loss Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
37 Loss from continuing operations per share Abstract ifrs-full:BasicAndDilutedEarningsPerShareAbstract
38 Basic Concept (Share) For Period ifrs-full:BasicEarningsLossPerShareFromContinuingOperations
39 Diluted Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShareFromContinuingOperations
40 Net loss per share Abstract ifrs-full:EarningsPerShareAbstract
41 Basic Concept (Share) For Period ifrs-full:BasicEarningsLossPerShare
42 Diluted Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShare
43 Weighted average number of shares outstanding (in millions) Abstract ifrs-full:WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract
44 Basic Concept (Shares) For Period ifrs-full:WeightedAverageShares
45 Diluted Concept (Shares) For Period ifrs-full:AdjustedWeightedAverageShares
46 1003 - Statement - CONSOLIDATED INCOME STATEMENTS (Parenthetical) Network

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47 Implied Table Table

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48 Income Statement [Abstract] Abstract ifrs-full:IncomeStatementAbstract
49 Expense of restructuring activities Concept (Monetary) For Period Debit ifrs-full:ExpenseOfRestructuringActivities
50 1004 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Network

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51 Implied Table Table

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52 Statement of comprehensive income [abstract] Abstract ifrs-full:StatementOfComprehensiveIncomeAbstract
53 Net loss Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
54 Other comprehensive income Abstract ifrs-full:OtherComprehensiveIncomeAbstract
55 Unrealized loss on mark-to-market of diesel swap contracts Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnCashFlowHedgesBeforeTax
56 Reclassification of realized loss on settlement of diesel swap contracts Concept (Monetary) For Period Debit ngd:ReclassificationOfRealizedLossOnSettlementOfDieselSwapContractsBeforeTax
57 Gain (loss) on revaluation of gold stream obligation Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability
58 Deferred income tax related to derivative contracts and gold stream obligation Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToHedgesOfInvestmentsInEquityInstrumentsOfOtherComprehensiveIncome
59 Total other comprehensive income (loss) Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
60 Total comprehensive loss Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
61 1005 - Statement - CONSOLIDATED STATEMENTS OF FINANCIAL POSITION Network

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62 Implied Table Table

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63 Statement of financial position [abstract] Abstract ifrs-full:StatementOfFinancialPositionAbstract
64 Assets Abstract ifrs-full:AssetsAbstract
65 Current assets Abstract ifrs-full:CurrentAssetsAbstract
66 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
67 Trade and other receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
68 Inventories Concept (Monetary) As Of Debit ifrs-full:Inventories
69 Current income tax receivable Concept (Monetary) As Of Debit ifrs-full:CurrentTaxAssetsCurrent
70 Prepaid expenses and other Concept (Monetary) As Of Debit ifrs-full:CurrentPrepaidExpenses
71 Total current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
72 Non-current inventories Concept (Monetary) As Of Debit ifrs-full:NoncurrentInventories
73 Mining interests Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
74 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
75 Other Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentAssets
76 Assets before non-current assets or disposal groups classified as held for sale Concept (Monetary) As Of Debit ngd:AssetsBeforeNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale
77 Assets held for sale Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale
78 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
79 Liabilities and equity Abstract ifrs-full:EquityAndLiabilitiesAbstract
80 Current liabilities Abstract ifrs-full:CurrentLiabilitiesAbstract
81 Trade and other payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
82 Deferred benefit – Peak sale prepayment Concept (Monetary) As Of Credit ifrs-full:DeferredIncomeClassifiedAsCurrent
83 Total current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
84 Reclamation and closure cost obligations Concept (Monetary) As Of Credit ifrs-full:LongtermProvisionForDecommissioningRestorationAndRehabilitationCosts
85 Gold stream obligation Concept (Monetary) As Of Credit ngd:GoldStreamObligationNoncurrent
86 Long-term debt Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
87 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
88 Other Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentLiabilities
89 Liabilities excluding liabilities included in disposal groups classified as held for sale Concept (Monetary) As Of Credit ngd:LiabilitiesExcludingLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale
90 Liabilities held for sale Concept (Monetary) As Of Credit ifrs-full:LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale
91 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
92 Equity Abstract ifrs-full:EquityAbstract
93 Common shares Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
94 Contributed surplus Concept (Monetary) As Of Credit ifrs-full:SharePremium
95 Other reserves Concept (Monetary) As Of Credit ifrs-full:OtherReserves
96 Deficit Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
97 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
98 Total liabilities and equity Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
99 1006 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN EQUITIES Network

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100 Statement of changes in equity [table] Table

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 ifrs-full:StatementOfChangesInEquityTable
101 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
102 Equity [Member] Member ifrs-full:EquityMember
103 Statement of changes in equity [line items] LineItems ifrs-full:StatementOfChangesInEquityLineItems
104 Common shares, beginning of Period Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
105 Common share issuance Concept (Monetary) For Period Credit ifrs-full:IssueOfEquity
106 Shares issued for exercise of options and vested PSUs Concept (Monetary) For Period Debit ngd:SharesIssuedForExerciseOfOptionsAndVestedPerformanceShareUnits
107 Reversal of deferred tax recovery Concept (Monetary) For Period Debit ifrs-full:DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences
108 Common shares, end of period Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
109 Contributed surplus, beginning of Period Concept (Monetary) As Of Credit ifrs-full:SharePremium
110 Exercise of options and vested PSUs Concept (Monetary) For Period Debit ngd:ValueExerciseOfOptionsAndSettlementOfPerformanceShareUnits
111 Equity settled share-based payments Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
112 Contributed surplus, ending of Period Concept (Monetary) As Of Credit ifrs-full:SharePremium
113 Other reserves, beginning of period Concept (Monetary) As Of Credit ifrs-full:OtherReserves
114 Change in fair value of hedging instruments (net of tax) Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnHedgingInstrument
115 Gain on revaluation of gold stream obligation (net of tax) Concept (Monetary) For Period Credit ifrs-full:ChangesInFairValueOfFinancialLiabilityAttributableToChangesInCreditRiskOfLiability
116 Other reserves, ending of period Concept (Monetary) As Of Credit ifrs-full:OtherReserves
117 deficit, beginning of period Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
118 Net loss Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
119 deficit, ending of period Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
120 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
121 1007 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOW Network

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122 Statement Of Cash Flows [Table] Table

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 ngd:StatementOfCashFlowsTable
123 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
124 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
125 Biological assets [axis] Axis ifrs-full:BiologicalAssetsAxis
126 Biological assets [member] Member ifrs-full:BiologicalAssetsMember
127 Mesquite Assets [Member] Member ngd:MesquiteAssetsMember
128 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
129 Property, Plant and Equipment [Member] Member ifrs-full:PropertyPlantAndEquipmentMember
130 Peak Mines Asset [Member] Member ifrs-full:MiningAssetsMember
131 Statement Of Cash Flows [Line Items] LineItems ngd:StatementOfCashFlowsLineItems
132 OPERATING ACTIVITIES Abstract ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
133 Loss from continuing operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromContinuingOperations
134 Adjustments for: Abstract ifrs-full:AdjustmentsForReconcileProfitLossAbstract
135 Foreign exchange (gains) loss Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForUnrealisedForeignExchangeLossesGains
136 Asset impairment Concept (Monetary) For Period Debit ngd:AssetsImpairmentCharges
137 Reclamation and closure costs paid Concept (Monetary) For Period Credit ngd:PaymentsForReclamationAndClosureCosts
138 Gain on disposal of El Morro stream Concept (Monetary) For Period Credit ngd:GainLossOnDisposalOfGoldStreamAsset
139 Depreciation and depletion Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDepreciationAndAmortisationExpense
140 Other non-cash adjustments Concept (Monetary) For Period Debit ifrs-full:OtherAdjustmentsForNoncashItems
141 Income tax expense (recovery) Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
142 Finance income Concept (Monetary) For Period Credit ifrs-full:FinanceIncome
143 Finance costs Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
144 Cash flows from (used in) operations before changes in working capital Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital
145 Change in non-cash operating working capital Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInWorkingCapital
146 Income taxes paid Concept (Monetary) For Period Credit ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities
147 Operating cash flows generated from continuing operations Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInOperatingActivitiesContinuingOperations
148 Operating cash flows generated from discontinued operations Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations
149 Cash generated from operations Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
150 INVESTING ACTIVITIES Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
151 Mining interests Concept (Monetary) For Period Credit ifrs-full:PurchaseOfMiningAssets
152 Proceeds from the sale of Peak Mines, net of transaction costs Concept (Monetary) For Period Debit ngd:ProceedsFromSaleOfPeakMinesNetOfTransactionCosts
153 Proceeds from sale of Mesquite, net of transaction costs and other adjustments Concept (Monetary) For Period Debit ngd:ProceedsFromSaleOfMesquiteNetOfTransactionCostsAndOtherAdjustments
154 Proceeds from the sale of the El Morro stream and other assets Concept (Monetary) For Period Debit ngd:ProceedsFromSaleOfSaleOfElMorroStreamAndOthers
155 Interest received Concept (Monetary) For Period Debit ifrs-full:InterestReceivedClassifiedAsInvestingActivities
156 Gold price option contract investment costs Concept (Monetary) For Period Debit ifrs-full:OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities
157 Investing cash flows used by continuing operations Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivitiesContinuingOperations
158 Investing cash flows used by discontinued operations Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations
159 Cash used by investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
160 FINANCING ACTIVITIES Abstract ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
161 Proceeds received from exercise of options Concept (Monetary) For Period Debit ifrs-full:ProceedsFromExerciseOfOptions
162 Net proceeds received from issuance of common shares Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssueOfOrdinaryShares
163 (Repayment) drawdown of Credit Facility Concept (Monetary) For Period Debit ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
164 Finance lease payments Concept (Monetary) For Period Credit ifrs-full:PaymentsOfFinanceLeaseLiabilitiesClassifiedAsFinancingActivities
165 Cash settlement of gold stream obligation Concept (Monetary) For Period Credit ngd:CashSettlementOfGoldStreamObligation
166 Issuance of senior unsecured notes, net of transaction costs Concept (Monetary) For Period Debit ifrs-full:ProceedsFromNoncurrentBorrowings
167 Repayment of senior unsecured notes Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfNoncurrentBorrowings
168 Financing initiation costs Concept (Monetary) For Period Credit ifrs-full:PaymentsForDebtIssueCosts
169 Interest paid Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsFinancingActivities
170 Cash (used by) generated by financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
171 Effect of exchange rate changes on cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
172 Cash and cash equivalents sold with the sale Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsClassifiedAsPartOfDisposalGroupHeldForSale
173 Change in cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalents
174 Cash and cash equivalents, beginning of period Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
175 Cash and cash equivalents, end of period Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
176 Cash and cash equivalents are comprised of: Abstract ifrs-full:CashAndCashEquivalentsAbstract
177 Cash Concept (Monetary) As Of Debit ifrs-full:Cash
178 Short-term money market instruments Concept (Monetary) As Of Debit ifrs-full:ShorttermInvestmentsClassifiedAsCashEquivalents
179 Cash and cash equivalents, end of period Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
180 1008 - Disclosure - DESCRIPTION OF BUSINESS AND NATURE OF OPERATIONS Network

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181 Implied Table Table

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182 Description of Business and Nature of Operations [Abstract] Abstract ngd:DescriptionOfBusinessAndNatureOfOperationsAbstract
183 Description of business and nature of operations [text block] Concept (Text Block (HTML)) For Period ngd:DescriptionOfBusinessAndNatureOfOperationsTextBlock
184 1009 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES Network

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185 Implied Table Table

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186 SIGNIFICANT ACCOUNTING POLICIES [Abstract] Abstract ngd:SignificantAccountingPoliciesAbstract
187 Disclosure of significant accounting policies [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
188 1010 - Disclosure - CRITICAL JUDGMENTS AND ESTIMATION UNCERTAINTIES Network

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189 Implied Table Table

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190 Critical judgments and estimation uncertainties [Abstract] Abstract ngd:CriticalJudgmentsAndEstimationUncertaintiesAbstract
191 Disclosure of accounting judgements and estimates [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfAccountingJudgementsAndEstimatesExplanatory
192 1011 - Disclosure - FUTURE CHANGES IN ACCOUNTING POLICIES Network

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193 Implied Table Table

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194 Future changes in accounting policies [Abstract] Abstract ngd:FutureChangesInAccountingPoliciesAbstract
195 Disclosure Of Future Changes In Accounting Policies Explanatory [text block] Concept (Text Block (HTML)) For Period ngd:DisclosureOfFutureChangesInAccountingPoliciesExplanatoryTextBlock
196 1012 - Disclosure - EXPENSES Network

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197 Implied Table Table

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198 Disclosure of expenses [Abstract] Abstract ngd:DisclosureOfExpensesAbstract
199 Disclosure of expenses [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfExpensesExplanatory
200 1013 - Disclosure - TRADE AND OTHER RECEIVABLES Network

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201 Implied Table Table

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202 Disclosure of trade and other receivables [Abstract] Abstract ngd:DisclosureOfTradeAndOtherReceivablesAbstract
203 Disclosure of trade and other receivables [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory
204 1014 - Disclosure - TRADE AND OTHER PAYABLES Network

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205 Implied Table Table

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206 Disclosure of trade and other payables [Abstract] Abstract ngd:DisclosureOfTradeAndOtherPayablesAbstract
207 Disclosure of trade and other payables [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory
208 1015 - Disclosure - INVENTORIES Network

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209 Implied Table Table

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210 Disclosure of inventories [Abstract] Abstract ngd:DisclosureOfInventoriesAbstract
211 Disclosure of inventories [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInventoriesExplanatory
212 1016 - Disclosure - MINING INTERESTS Network

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213 Implied Table Table

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214 Disclosure of detailed information about property, plant and equipment [abstract] Abstract ifrs-full:DisclosureOfPropertyPlantAndEquipmentAbstract
215 Disclosure of property, plant and equipment [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory
216 1017 - Disclosure - IMPAIRMENT Network

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217 Implied Table Table

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218 Disclosure of impairment loss and reversal of impairment loss [abstract] Abstract ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract
219 Disclosure of impairment of assets [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfImpairmentOfAssetsExplanatory
220 1018 - Disclosure - LONG-TERM DEBT Network

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221 Implied Table Table

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222 Long Term Debts [Abstract] Abstract ngd:LongTermDebtsAbstract
223 Disclosure of debt instruments [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDebtSecuritiesExplanatory
224 1019 - Disclosure - GOLD STREAM OBLIGATION Network

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225 Implied Table Table

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226 Gold stream obligation [Abstract] Abstract ngd:GoldStreamObligationAbstract
227 Disclosure of financial liabilities [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialLiabilitiesExplanatory
228 1020 - Disclosure - DERIVATIVE INSTRUMENTS Network

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229 Implied Table Table

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230 Derivative instruments [Abstract] Abstract ngd:DerivativeInstrumentsAbstract
231 Disclosure of derivative financial instruments [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDerivativeFinancialInstrumentsExplanatory
232 1021 - Disclosure - SHARE CAPITAL Network

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233 Implied Table Table

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234 Disclosure of classes of share capital [abstract] Abstract ifrs-full:DisclosureOfClassesOfShareCapitalAbstract
235 Disclosure of classes of share capital [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfClassesOfShareCapitalExplanatory
236 1022 - Disclosure - DISCONTINUED OPERATIONS Network

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237 Implied Table Table

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238 Disclosure Of DISCONTINUED OPERATIONS [Abstract] Abstract ngd:DisclosureOfDiscontinuedOperationsAbstract
239 Disclosure of discontinued operations [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDiscontinuedOperationsExplanatory
240 1023 - Disclosure - INCOME AND MINING TAXES Network

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241 Implied Table Table

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242 Income and mining taxes [Abstract] Abstract ngd:IncomeAndMiningTaxesAbstract
243 Disclosure of income tax [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIncomeTaxExplanatory
244 1024 - Disclosure - RECLAMATION AND CLOSURE COST OBLIGATIONS Network

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245 Implied Table Table

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246 Disclosure of reclamation and closure cost obligations [Abstract] Abstract ngd:DisclosureOfReclamationAndClosureCostObligationsAbstract
247 Disclosure of reclamation and closure cost obligations [text block] Concept (Text Block (HTML)) For Period ngd:DisclosureOfReclamationAndClosureCostObligationsTextBlock
248 1025 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION Network

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249 Implied Table Table

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250 Disclosure Of Supplemental cash flow information [Abstract] Abstract ngd:DisclosureOfSupplementalCashFlowInformationAbstract
251 Disclosure of cash flow statement [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCashFlowStatementExplanatory
252 1026 - Disclosure - SEGMENTED INFORMATION Network

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253 Implied Table Table

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254 Disclosure of operating segments [abstract] Abstract ifrs-full:DisclosureOfOperatingSegmentsAbstract
255 Disclosure of entity's operating segments [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory
256 1027 - Disclosure - CAPITAL RISK MANAGEMENT Network

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257 Implied Table Table

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258 Capital risk management [Abstract] Abstract ngd:CapitalRiskManagementAbstract
259 Disclosure Of Capital Risk Management [text block] Concept (Text Block (HTML)) For Period ngd:DisclosureOfCapitalRiskManagementTextBlock
260 1028 - Disclosure - FINANCIAL RISK MANAGEMENT Network

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261 Implied Table Table

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262 Financial risk management [Abstract] Abstract ngd:FinancialRiskManagementAbstract
263 Disclosure of financial risk management [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialRiskManagementExplanatory
264 1029 - Disclosure - FAIR VALUE MEASUREMENT Network

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265 Implied Table Table

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266 Fair value measurement [Abstract] Abstract ngd:FairValueMeasurementAbstract
267 Disclosure of fair value measurement [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFairValueMeasurementExplanatory
268 1030 - Disclosure - OPERATING LEASES Network

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269 Implied Table Table

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270 Operating leases [Abstract] Abstract ngd:OperatingLeasesAbstract
271 Disclosure of leases [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfLeasesExplanatory
272 1031 - Disclosure - COMPENSATION OF KEY MANAGEMENT PERSONNEL Network

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273 Implied Table Table

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274 Compensation of directors and other key management personnel [Abstract] Abstract ngd:CompensationOfDirectorsAndOtherKeyManagementPersonnelAbstract
275 Disclosure of information about key management personnel [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInformationAboutKeyManagementPersonnelExplanatory
276 1032 - Disclosure - COMMITMENTS AND CONTINGENCIES Network

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277 Implied Table Table

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278 Contractual commitments [Abstract] Abstract ngd:ContractualCommitmentsAbstract
279 Disclosure of commitments and contingent liabilities [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory
280 1033 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Policies) Network

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281 Implied Table Table

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282 SIGNIFICANT ACCOUNTING POLICIES [Abstract] Abstract ngd:SignificantAccountingPoliciesAbstract
283 Statement of compliance [text block] Concept (Text Block (HTML)) For Period ifrs-full:StatementOfIFRSCompliance
284 Basis of preparation [text block] Concept (Text Block (HTML)) For Period ngd:DescriptionOfAccountingPolicyForBasisOfPreparationOfFinancialStatementsPolicyTextBlock
285 Basis of consolidation [text block] Concept (Text Block (HTML)) For Period ngd:DescriptionOfAccountingPolicyForBasisOfConsolidationPolicyTextBlock
286 Business combinations and asset acquisitions [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory
287 Cash and cash equivalents [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents
288 Inventories [text block] Concept (Text Block (HTML)) For Period ngd:DescriptionOfAccountingPolicyForInventoriesPolicyTextBlock
289 Mining interests [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForMiningAssetsExplanatory
290 Impairment of long-lived assets [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory
291 Reclamation and closure cost obligations [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForDecommissioningRestorationAndRehabilitationProvisionsExplanatory
292 Income taxes [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory
293 Foreign currency translation [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory
294 Earnings (loss) per share [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForEarningsPerShareExplanatory
295 Revenue recognition [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue
296 Financial assets [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinancialAssetsExplanatory
297 Financial liabilities [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinancialLiabilitiesExplanatory
298 Derivative instruments, including hedge accounting [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsAndHedgingExplanatory
299 Trade and other receivables [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory
300 Leases [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForLeasesExplanatory
301 Description of accounting policy for new adoption of accounting standards [text block] Concept (Text Block (HTML)) For Period ngd:DescriptionOfAccountingPolicyForNewAdoptionOfAccountingStandardsPolicyTextBlock
302 1034 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Tables) Network

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303 Implied Table Table

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304 SIGNIFICANT ACCOUNTING POLICIES [Abstract] Abstract ngd:SignificantAccountingPoliciesAbstract
305 Disclosure of subsidiaries [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory
306 Disclosure of detailed information about estimated useful life of property plant and equipment [text block] Concept (Text Block (HTML)) For Period ngd:DisclosureOfDetailedInformationAboutEstimatedUsefulLifeOfPropertyPlantAndEquipmentTextBlock
307 1035 - Disclosure - EXPENSES (Tables) Network

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308 Implied Table Table

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309 Expenses by nature [abstract] Abstract ifrs-full:ExpenseByNatureAbstract
310 Disclosure of expenses by nature [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfExpensesByNatureExplanatory
311 Disclosure of finance income (cost) [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinanceIncomeExpenseExplanatory
312 Disclosure of detailed information about other losses gains [text block] Concept (Text Block (HTML)) For Period ngd:DisclosureOfDetailedInformationAboutOtherLossesGainsTextBlock
313 1036 - Disclosure - TRADE AND OTHER RECEIVABLES (Tables) Network

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314 Implied Table Table

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315 Trade and other current receivables [abstract] Abstract ifrs-full:TradeAndOtherCurrentReceivablesAbstract
316 Disclosure of detailed information about trade and other receivables [text block] Concept (Text Block (HTML)) For Period ngd:DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesTextBlock
317 1037 - Disclosure - TRADE AND OTHER PAYABLES (Tables) Network

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318 Implied Table Table

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319 Trade and other current payables [abstract] Abstract ifrs-full:TradeAndOtherCurrentPayablesAbstract
320 Disclosure of detailed information about trade and other payables [text block] Concept (Text Block (HTML)) For Period ngd:DisclosureOfDetailedInformationAboutTradeAndOtherPayablesTextBlock
321 1038 - Disclosure - INVENTORIES (Tables) Network

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322 Implied Table Table

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323 Classes of current inventories [abstract] Abstract ifrs-full:ClassesOfInventoriesAbstract
324 Disclosure of detailed information about inventories [text block] Concept (Text Block (HTML)) For Period ngd:DisclosureOfDetailedInformationAboutInventoriesTextBlock
325 1039 - Disclosure - MINING INTERESTS (Tables) Network

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 http://www.newgold.com/role/MiningInterestsTables
326 Implied Table Table

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327 Disclosure of detailed information about property, plant and equipment [abstract] Abstract ifrs-full:DisclosureOfPropertyPlantAndEquipmentAbstract
328 Disclosure of detailed information about property, plant and equipment [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory
329 Disclosure of detailed information about segmented assets and liabilities [text block] Concept (Text Block (HTML)) For Period ngd:DisclosureOfDetailedInformationAboutCarryingAmountOfPropertyPlantAndEquipmentBySegmentWiseTextBlock
330 1040 - Disclosure - IMPAIRMENT (Tables) Network

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331 Implied Table Table

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332 Disclosure of impairment loss and reversal of impairment loss [abstract] Abstract ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract
333 Disclosure of impairment loss and reversal of impairment loss [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory
334 Disclosure of impairment analysis, of commodity prices and exchange rate [text block] Concept (Text Block (HTML)) For Period ngd:DisclosureOfImpairmentAnalysisOfCommodityPricesAndExchangeRateTableTableTextBlock
335 Disclosure Of Detailed Information About Sensitivity Analysis On Key Assumptions Used In Determining Impairment Loss [text block] Concept (Text Block (HTML)) For Period ngd:DisclosureOfDetailedInformationAboutSensitivityAnalysisOnKeyAssumptionsUsedInDeterminingImpairmentLossTextBlock
336 1041 - Disclosure - LONG-TERM DEBT (Tables) Network

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337 Long Term Debts [Table] Table

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338 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
339 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
340 Disclosure of financial liabilities [line items] LineItems ifrs-full:DisclosureOfFinancialLiabilitiesLineItems
341 Disclosure of detailed information about borrowings [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory
342 Disclosure of detailed information about applicable redemption prices on unsecured notes [text block] Concept (Text Block (HTML)) For Period ngd:DisclosureOfDetailedInformationAboutApplicableRedemptionPricesOnUnsecuredNotesTextBlock
343 Disclosure of detailed information about applicable redemption prices on 2025 Unsecured Notes [text block] Concept (Text Block (HTML)) For Period ngd:DisclosureOfDetailedInformationAboutApplicableRedemptionPricesOn2025UnsecuredNotesTableTextBlock
344 Detailed information about significant convenants [text block] Concept (Text Block (HTML)) For Period ngd:DetailedInformationAboutSignificantConvenantsTextBlock
345 Disclosure of reconciliation of liabilities arising from fnancing activities explanatory [text block] Concept (Text Block (HTML)) For Period ngd:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatoryTableTextBlock
346 1042 - Disclosure - GOLD STREAM OBLIGATION (Tables) Network

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347 Implied Table Table

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348 Gold stream obligation [Abstract] Abstract ngd:GoldStreamObligationAbstract
349 Detailed Information About Gold Stream Obligation [Text Block] Concept (Text Block (HTML)) For Period ngd:DetailedInformationAboutGoldStreamObligationTextBlock
350 1043 - Disclosure - DERIVATIVE INSTRUMENTS (Tables) Network

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351 Derivative instruments [Table] Table

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352 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
353 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
354 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
355 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
356 Gold [Member] Member ngd:Gold1Member
357 Copper [Member] Member ngd:CopperMember
358 Derivative instruments [Line Items] LineItems ngd:DerivativeInstrumentsLineItems
359 Detailed information about derivative assets and derivative liabilities [text block] Concept (Text Block (HTML)) For Period ngd:DetailedInformationAboutDerivativeAssetsAndDerivativeLiabilitiesTextBlock
360 Detailed information about the realised and unrealised gainlosses on provisionally priced sales [text block] Concept (Text Block (HTML)) For Period ngd:DetailedInformationAboutRealisedAndUnrealisedGainlossesOnProvisionallyPricedSalesTextBlock
361 Detailed information about the realised and unrealised gainlosses on gold and copper swap contracts [text block] Concept (Text Block (HTML)) For Period ngd:DetailedInformationAboutRealisedAndUnrealisedGainlossesOnGoldAndCopperSwapContractsTextBlock
362 Detailed information about the remaining contracts of metal option [Text Block] Concept (Text Block (HTML)) For Period ngd:DetailedInformationAboutRemainingContractsOfMetalOptionTextBlock
363 1044 - Disclosure - SHARE CAPITAL (Tables) Network

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364 Implied Table Table

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365 Disclosure of classes of share capital [abstract] Abstract ifrs-full:DisclosureOfClassesOfShareCapitalAbstract
366 Detailed information of common shares issued and outstanding [text block] Concept (Text Block (HTML)) For Period ngd:DetailedInformationOfCommonSharesIssuedAndOutstandingTextBlock
367 Disclosure of share-based payment arrangements [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory
368 Disclosure of number and weighted average exercise prices of share options [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory
369 Disclosure of earnings per share [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEarningsPerShareExplanatory
370 Detailed information of antidilutive securities excluded from computation of earnings per share [text block] Concept (Text Block (HTML)) For Period ngd:DetailedInformationOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock
371 1045 - Disclosure - DISCONTINUED OPERATIONS (Tables) Network

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372 Implied Table Table

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373 Disclosure Of DISCONTINUED OPERATIONS [Abstract] Abstract ngd:DisclosureOfDiscontinuedOperationsAbstract
374 Disclosure of detailed information about profit loss on discontinued operations [text block] Concept (Text Block (HTML)) For Period ngd:DisclosureOfDetailedInformationAboutProfitLossOnDiscontinuedoperationsTextBlock
375 Disclosure of detailed information about cash flows of discontinued operations and prior period comparatives [Text Block] Concept (Text Block (HTML)) For Period ngd:DisclosureOfDetailedInformationAboutCashFlowsOfDiscontinuedOperationsAndPriorPeriodComparativesTextBlock
376 Disclosure of Detailed Information About Income or Loss From Discontinued Operations [Text Block] Concept (Text Block (HTML)) For Period ngd:DisclosureOfDetailedInformationAboutIncomeOrLossFromDiscontinuedOperationsTextBlock
377 1046 - Disclosure - INCOME AND MINING TAXES (Tables) Network

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378 Implied Table Table

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379 Income and mining taxes [Abstract] Abstract ngd:IncomeAndMiningTaxesAbstract
380 Disclosure of detailed information about major components of income tax expense [Text Block] Concept (Text Block (HTML)) For Period ngd:DisclosureOfDetailedInformationAboutMajorComponentsOfIncomeTaxExpenseTextBlock
381 Detailed Information for Reconciliation Of Income Tax Provision [Text Block] Concept (Text Block (HTML)) For Period ngd:DetailedInformationForReconciliationOfIncomeTaxProvisionTextBlock
382 Disclosure of temporary difference, unused tax losses and unused tax credits [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory
383 Detailed Information Of Movement In Net Deferred Tax Liabilities [Text Block] Concept (Text Block (HTML)) For Period ngd:DetailedInformationOfMovementInNetDeferredTaxLiabilitiesTextBlock
384 1047 - Disclosure - RECLAMATION AND CLOSURE COST OBLIGATIONS (Tables) Network

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385 Implied Table Table

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386 Disclosure of reclamation and closure cost obligations [Abstract] Abstract ngd:DisclosureOfReclamationAndClosureCostObligationsAbstract
387 Detailed information about reclamation and closure cost obligations [Text Block] Concept (Text Block (HTML)) For Period ngd:DetailedInformationAboutReclamationAndClosureCostObligationsTextBlock
388 1048 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION (Tables) Network

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389 Implied Table Table

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390 Disclosure Of Supplemental cash flow information [Abstract] Abstract ngd:DisclosureOfSupplementalCashFlowInformationAbstract
391 Detailed information about supplemental cash flow information [Text Block] Concept (Text Block (HTML)) For Period ngd:DetailedInformationAboutSupplementalCashFlowInformationTextBlock
392 1049 - Disclosure - SEGMENTED INFORMATION (Tables) Network

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393 Implied Table Table

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394 Disclosure of operating segments [abstract] Abstract ifrs-full:DisclosureOfOperatingSegmentsAbstract
395 Disclosure of operating segments [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOperatingSegmentsExplanatory
396 Disclosure of detailed information about segmented assets and liabilities [text block] Concept (Text Block (HTML)) For Period ngd:DisclosureOfDetailedInformationAboutSegmentedAssetsAndLiablitiesTextBlock
397 Disclosure of geographical areas [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGeographicalAreasExplanatory
398 Disclosure of major customers [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSegmentsMajorCustomersExplanatory
399 1050 - Disclosure - CAPITAL RISK MANAGEMENT (Tables) Network

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400 Implied Table Table

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401 Capital risk management [Abstract] Abstract ngd:CapitalRiskManagementAbstract
402 Detailed Information Of Capital [Text Block] Concept (Text Block (HTML)) For Period ngd:DetailedInformationOfCapitalTextBlock
403 1051 - Disclosure - FINANCIAL RISK MANAGEMENT (Tables) Network

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404 Implied Table Table

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405 Disclosure of financial assets that are either past due or impaired [abstract] Abstract ifrs-full:DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedAbstract
406 Disclosure of credit risk exposure [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCreditRiskExposureExplanatory
407 Analysis of age of financial assets that are past due but not impaired [text block] Concept (Text Block (HTML)) For Period ifrs-full:AnalysisOfAgeOfFinancialAssetsThatArePastDueButNotImpaired
408 Disclosure of detailed information about contractual maturities of debt commitments [text block] Concept (Text Block (HTML)) For Period ngd:DisclosureOfDetailedInformationAboutContractualMaturitiesOfDebtCommitmentsTextBlock
409 Disclosure of detailed information about currencies of financial instruments and other foreign currency denominated liabilities [text block] Concept (Text Block (HTML)) For Period ngd:DisclosureOfDetailedInformationAboutCurrenciesOfFinancialInstrumentsAndOtherForeignCurrencyDenominatedLiablitiesTextBlock
410 Disclosure of detailed information about changes in foreign exchange rates [text block] Concept (Text Block (HTML)) For Period ngd:DisclosureOfDetailedInformationAboutChangesInForeignExchangeRatesTextBlock
411 Disclosure of detailed information about change in commodity prices [text block] Concept (Text Block (HTML)) For Period ngd:DisclosureOfDetailedInformationAboutChangeInCommodityPricesTextBlock
412 1052 - Disclosure - FAIR VALUE MEASUREMENT (Tables) Network

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413 Implied Table Table

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414 Fair value measurement [Abstract] Abstract ngd:FairValueMeasurementAbstract
415 Disclosure of detailed information about financial assets and liabilities by category and information about financial assets and liabilities measured at fair value on recurring basis [Text Block] Concept (Text Block (HTML)) For Period ngd:DisclosureOfDetailedInformationAboutFinancialAssetsAndLiablitiesByCategoryAndInformationAboutFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisTextBlock
416 Disclosure of detailed information about carrying values and fair values of financial instruments [Text Block] Concept (Text Block (HTML)) For Period ngd:DisclosureOfDetailedInformationAboutCarryingValuesAndFairValuesOfFinancialInstumentsTextBlock
417 1053 - Disclosure - OPERATING LEASES (Tables) Network

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418 Implied Table Table

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419 Disclosure of maturity analysis of operating lease payments [abstract] Abstract ifrs-full:DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsAbstract
420 Disclosure of additional information about leasing activities for lessee [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfAdditionalInformationAboutLeasingActivitiesForLesseeExplanatory
421 1054 - Disclosure - COMPENSATION OF KEY MANAGEMENT PERSONNEL (Tables) Network

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422 Implied Table Table

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423 Compensation of directors and other key management personnel [Abstract] Abstract ngd:CompensationOfDirectorsAndOtherKeyManagementPersonnelAbstract
424 Disclosure of amounts incurred by entity for provision of key management personnel services provided by separate management entities [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesExplanatory
425 1055 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Details) Network

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426 Disclosure of subsidiaries [table] Table

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427 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
428 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
429 Minera San Xavier S.A. de C.V. [Member] Member ngd:MineraSanXavierSaDeCvMember
430 Peak Gold Mines Pty Ltd. [Member] Member ngd:PeakGoldMinesPtyLtdMember
431 Western Mesquite Mines Inc. [Member] Member ngd:WesternMesquiteMinesIncMember
432 Disclosure of subsidiaries [line items] LineItems ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
433 Principal activity of subsidiary Concept (Text/String) For Period ngd:PrincipalActivityOfBusinessOfSubsidiary
434 Method used to account for subsidiary Concept (Text/String) For Period ifrs-full:MethodUsedToAccountForInvestmentsInSubsidiaries
435 Country of incorporation of subsidiary Concept (Text/String) For Period ifrs-full:CountryOfIncorporationOrResidenceOfSubsidiary
436 Proportion of ownership interest in subsidiary Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInSubsidiary
437 1056 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Details 1) Network

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438 Disclosure of detailed information about property, plant and equipment [table] Table

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439 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
440 Property, Plant and Equipment [Member] Member ifrs-full:PropertyPlantAndEquipmentMember
441 Plant and machinery [Member] Member ifrs-full:MachineryMember
442 Mobile equipment [member] Member ifrs-full:CommunicationAndNetworkEquipmentMember
443 Range [Axis] Axis ifrs-full:RangeAxis
444 Ranges [member] Member ifrs-full:RangesMember
445 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
446 Top of range [member] Member ifrs-full:TopOfRangeMember
447 Disclosure of detailed information about property, plant and equipment [line items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
448 Useful lives or depreciation rates, property, plant and equipment Concept (Text/String) For Period ifrs-full:UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment
449 1057 - Disclosure - EXPENSES (Details) Network

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450 Implied Table Table

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451 Expenses by nature [abstract] Abstract ifrs-full:ExpenseByNatureAbstract
452 Raw materials and consumables Concept (Monetary) For Period Debit ifrs-full:RawMaterialsAndConsumablesUsed
453 Salaries and employee benefits Concept (Monetary) For Period Debit ifrs-full:WagesAndSalaries
454 Contractors Concept (Monetary) For Period Debit ngd:ContractorsExpense
455 Repairs and maintenance Concept (Monetary) For Period Debit ifrs-full:RepairsAndMaintenanceExpense
456 General and administrative Concept (Monetary) For Period Debit ifrs-full:SellingGeneralAndAdministrativeExpense
457 Operating leases Concept (Monetary) For Period Debit ifrs-full:MinimumOperatingLeasePayments
458 Royalties Concept (Monetary) For Period Debit ifrs-full:RoyaltyExpense
459 Drilling and analytical Concept (Monetary) For Period Debit ngd:DrillingAndAnalyticalExpenses
460 Other Concept (Monetary) For Period Debit ifrs-full:OtherExpenseByNature
461 Total production expenses Concept (Monetary) For Period Debit ifrs-full:ExpenseByNature
462 Less: Production expenses capitalized Concept (Monetary) For Period Credit ngd:ProductionExpensesCapitalised
463 Less: Change in inventories Concept (Monetary) For Period Debit ifrs-full:ChangesInInventoriesOfFinishedGoodsAndWorkInProgress
464 Total operating expenses Concept (Monetary) For Period Debit ifrs-full:OperatingExpense
465 1058 - Disclosure - EXPENSES (Details 1) Network

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466 Implied Table Table

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467 Disclosure of expenses [Abstract] Abstract ngd:DisclosureOfExpensesAbstract
468 Finance costs Abstract ngd:FinanceCostsAbstract
469 Interest on senior unsecured notes Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnBorrowings
470 Interest on Credit Facility Concept (Monetary) For Period Debit ngd:InterestExpenseOnCreditFacilityAvailed
471 Accretion expense on decommissioning obligations (Note 17) Concept (Monetary) For Period Debit ngd:AccretionExpenseOnDecommissioningObligations
472 Gain on modification of long-term debt Concept (Monetary) For Period Credit ngd:GainOnModificationOfLongTermDebt
473 Other finance costs Concept (Monetary) For Period Debit ifrs-full:OtherFinanceCost
474 Interest expense Concept (Monetary) For Period Debit ifrs-full:InterestExpense
475 Less: amounts included in cost of qualifying assets Concept (Monetary) For Period ifrs-full:BorrowingCostsCapitalised
476 Total finance costs Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
477 Finance income Abstract ngd:FinanceIncomeAbstract
478 Interest income Concept (Monetary) For Period Credit ifrs-full:FinanceIncome
479 1059 - Disclosure - EXPENSES (Details 2) Network

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480 Implied Table Table

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481 Other gains and losses [abstract] Abstract ngd:OtherGainsAndLossesAbstract
482 Unrealized gain on share purchase warrants Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnChangeInFairValueOfDerivatives
483 Gain (loss) on foreign exchange Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
484 Gain on disposal of El Morro stream Concept (Monetary) For Period Credit ngd:GainsOnDisposalOfElMorroStream
485 Other (loss) gain on disposal of assets Concept (Monetary) For Period Credit ngd:OtherGainOnDisposalOfAssets
486 Loss on revaluation of investments Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnRemeasuringAvailableforsaleFinancialAssetsBeforeTax
487 Unrealized gain (loss) on revaluation of gold stream obligation (Note 12) Concept (Monetary) For Period Credit ngd:GainsLossesOnRevaluationOfGoldStreamObligation
488 Settlement and loss on revaluation of gold price option contracts Concept (Monetary) For Period Credit ngd:GainLossOnRevaluationOfGoldPriceOptionContracts
489 Gain (loss) on revaluation of copper forward contracts and copper price option contracts Concept (Monetary) For Period Debit ngd:LossOnRevaluationOfCopperForwardContractsAndCopperPriceOptionContracts
490 Revaluation of CSP's reclamation and closure cost obligation Concept (Monetary) For Period Debit ngd:GainOrLossOnRevaluationOfCSPsReclamationAndClosureCost
491 Other Concept (Monetary) For Period Credit ngd:GainLossArisedFromOtherActivitiesOccurredDuringPeriod
492 Total other gains Concept (Monetary) For Period Credit ifrs-full:OtherGainsLosses
493 1060 - Disclosure - TRADE AND OTHER RECEIVABLES (Details) Network

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494 Implied Table Table

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495 Trade and other receivables [abstract] Abstract ifrs-full:TradeAndOtherReceivablesAbstract
496 Trade receivables Concept (Monetary) As Of Debit ifrs-full:TradeReceivables
497 Sales tax receivable Concept (Monetary) As Of Debit ifrs-full:ReceivablesFromTaxesOtherThanIncomeTax
498 Unsettled provisionally priced concentrate derivatives and swap contracts (Note 13) Concept (Monetary) As Of Debit ngd:ReceivableFromInsettledProvisionallPricedConcentrateDerivativesAndCopperSwapContracts
499 Proceeds due from the sale of Mesquite, excluding income tax refund receivable (Note 15) Concept (Monetary) As Of Debit ngd:ProceedsDueFromSaleOfMineExcludingIncomeTaxRefundReceivable
500 Other Concept (Monetary) As Of Debit ifrs-full:OtherReceivables
501 Total trade and other receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
502 1061 - Disclosure - TRADE AND OTHER PAYABLES (Details) Network

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503 Implied Table Table

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504 Trade and other payables [abstract] Abstract ifrs-full:TradeAndOtherPayablesAbstract
505 Trade payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherPayablesToTradeSuppliers
506 Interest payable Concept (Monetary) As Of Credit ifrs-full:CurrentInterestPayable
507 Accruals Concept (Monetary) As Of Credit ifrs-full:Accruals
508 Current portion of reclamation and closure cost obligations (Note 17) Concept (Monetary) As Of Credit ifrs-full:ShorttermProvisionForDecommissioningRestorationAndRehabilitationCosts
509 Current portion of gold stream obligation (Note 12) Concept (Monetary) As Of Credit ifrs-full:OtherCurrentFinancialLiabilities
510 Derivative liabilities (Note 13) Concept (Monetary) As Of Credit ifrs-full:CurrentDerivativeFinancialLiabilities
511 Total trade and other payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
512 1062 - Disclosure - INVENTORIES (Details) Network

*

*

 http://www.newgold.com/role/InventoriesDetails
513 Implied Table Table

*

*

 implied:Table
514 Classes of current inventories [abstract] Abstract ifrs-full:ClassesOfInventoriesAbstract
515 Heap leach ore Concept (Monetary) As Of Debit ngd:HeapLeachInventories
516 Stockpile ore Concept (Monetary) As Of Debit ifrs-full:CurrentOreStockpiles
517 Work-in-process Concept (Monetary) As Of Debit ifrs-full:WorkInProgress
518 Finished goods Concept (Monetary) As Of Debit ifrs-full:FinishedGoods
519 Supplies Concept (Monetary) As Of Debit ifrs-full:ProductionSupplies
520 Inventories Concept (Monetary) As Of Debit ifrs-full:InventoriesTotal
521 Less: non-current inventories Concept (Monetary) As Of Debit ifrs-full:NoncurrentInventories
522 Total current inventories Concept (Monetary) As Of Debit ifrs-full:Inventories
523 1063 - Disclosure - INVENTORIES (Details Textual) Network

*

*

 http://www.newgold.com/role/InventoriesDetailsTextual
524 Disclosure of inventories [Table] Table

*

*

 ngd:DisclosureOfInventoriesTable
525 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
526 Assets [member] Member ifrs-full:ClassesOfAssetsMember
527 Inventories recognized [Member] Member ngd:InventoriesRecognizedMember
528 Mining Interest By Site [Axis] Axis ngd:MiningInterestBySiteAxis
529 Mining Property [Domain] Member ngd:MiningPropertyDomain
530 Cerro San Pedro [Member] Member ngd:CerroSanPedroMember
531 Disclosure of inventories [Line Items] LineItems ngd:DisclosureOfInventoriesLineItems
532 Operating expense Concept (Monetary) For Period Debit ifrs-full:OperatingExpense
533 Non-current inventories Concept (Monetary) As Of Debit ifrs-full:NoncurrentInventories
534 Inventory write-down Concept (Monetary) For Period ifrs-full:InventoryWritedown2011
535 Depreciation expense Concept (Monetary) For Period Debit ifrs-full:DepreciationExpense
536 1064 - Disclosure - MINING INTERESTS (Details) Network

*

*

 http://www.newgold.com/role/MiningInterestsDetails
537 Mining interests [Table] Table

*

*

 ngd:MiningInterestsTable
538 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
539 Property, Plant and Equipment [Member] Member ifrs-full:PropertyPlantAndEquipmentMember
540 Non-depletable [Member] Member ngd:MiningPropertiesNondepletableIncludingExplorationAndEvaluationMember
541 Plant & equipment [Member] Member ngd:PlantAndEquipmentMember
542 Construction in Progress [Member] Member ifrs-full:ConstructionInProgressMember
543 Exploration and evaluation assets [member] Member ifrs-full:ExplorationAndEvaluationAssetsMember
544 Depletable [Member] Member ngd:MiningPropertiesDepletableMember
545 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
546 Carrying amount [member] Member ifrs-full:CarryingAmountMember
547 Gross carrying amount [member] Member ifrs-full:GrossCarryingAmountMember
548 Accumulated depreciation and amortisation [member] Member ifrs-full:AccumulatedDepreciationAndAmortisationMember
549 Mining Interests [Line Items] LineItems ngd:MiningInterestsLineItems
550 Balance Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
551 Depreciation for the period Concept (Monetary) For Period ifrs-full:DepreciationPropertyPlantAndEquipment
552 Additions Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
553 Disposal of El Morro stream Concept (Monetary) For Period Debit ngd:DisposalOfElMorroStream
554 Disposals Concept (Monetary) For Period Credit ifrs-full:DisposalsPropertyPlantAndEquipment
555 Impairment loss on held-for-sale assets Concept (Monetary) For Period Credit ngd:ImpairmentLossRecognisedOnAssetsClassifiedAsHeldForSale
556 Assets reclassified as held for sale Concept (Monetary) For Period Credit ifrs-full:DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment
557 Sale of Mesquite Concept (Monetary) For Period Credit ifrs-full:DecreaseThroughClassifiedAsHeldForSaleBiologicalAssets
558 Transfers Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughTransfersFromToInvestmentPropertyPropertyPlantAndEquipment
559 Asset impairment Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
560 Balance Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
561 1065 - Disclosure - MINING INTERESTS (Details 1) Network

*

*

 http://www.newgold.com/role/MiningInterestsDetails1
562 Mining interests [Table] Table

*

*

 ngd:MiningInterestsTable
563 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
564 Property, Plant and Equipment [Member] Member ifrs-full:PropertyPlantAndEquipmentMember
565 Non-depletable [Member] Member ngd:MiningPropertiesNondepletableIncludingExplorationAndEvaluationMember
566 Plant and Equipment [Member] Member ngd:PlantAndEquipmentMember
567 Construction in Progress [Member] Member ifrs-full:ConstructionInProgressMember
568 Depletable [Member] Member ngd:MiningPropertiesDepletableMember
569 Mining Interest By Site [Axis] Axis ngd:MiningInterestBySiteAxis
570 Mining Property [Domain] Member ngd:MiningPropertyDomain
571 New Afton [Member] Member ngd:NewAftonMember
572 Mesquite [Member] Member ngd:MesquiteMember
573 Cerro San Pedro [Member] Member ngd:CerroSanPedroMember
574 Rainy River [Member] Member ngd:RainyRiverMember
575 Blackwater [Member] Member ngd:BlackwaterMember
576 Other [Member] Member ngd:OtherMember
577 Mining Interests [Line Items] LineItems ngd:MiningInterestsLineItems
578 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
579 1066 - Disclosure - MINING INTERESTS (Details Textual) Network

*

*

 http://www.newgold.com/role/MiningInterestsDetailsTextual
580 Mining interests [Table] Table

*

*

 ngd:MiningInterestsTable
581 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
582 Property, Plant and Equipment [Member] Member ifrs-full:PropertyPlantAndEquipmentMember
583 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
584 Carrying amount [member] Member ifrs-full:CarryingAmountMember
585 Gross carrying amount [member] Member ifrs-full:GrossCarryingAmountMember
586 Mining Interests [Line Items] LineItems ngd:MiningInterestsLineItems
587 Interest costs capitalised Concept (Monetary) For Period ifrs-full:InterestCostsCapitalised
588 Increase decrease through transfers from construction in progress, inventories Concept (Monetary) For Period Debit ngd:IncreaseDecreaseThroughTransfersFromConstructionInProgressInventories
589 1067 - Disclosure - IMPAIRMENT (Details) Network

*

*

 http://www.newgold.com/role/ImpairmentDetails
590 Impairment [Table] Table

*

*

 ngd:ImpairmentTable
591 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
592 Assets [member] Member ifrs-full:ClassesOfAssetsMember
593 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
594 Property, Plant and Equipment [Member] Member ifrs-full:PropertyPlantAndEquipmentMember
595 Blackwater nondepletable mining properties [Member] Member ngd:BlackwaterNondepletableMiningPropertiesMember
596 Rainy River Mining Properties Depletable [Member] Member ngd:RainyRiverMiningPropertiesDepletableMember
597 Impairment [Line Items] LineItems ngd:ImpairmentLineItems
598 Impairment loss Concept (Monetary) For Period Debit ifrs-full:ImpairmentLoss
599 Tax recovery Concept (Monetary) For Period Credit ngd:TaxRecoveryOnImpairmentLoss
600 Total impairment charge after tax Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossRecognisedInProfitOrLoss
601 1068 - Disclosure - IMPAIRMENT (Details 1) Network

*

*

 http://www.newgold.com/role/ImpairmentDetails1
602 Implied Table Table

*

*

 implied:Table
603 Disclosure of impairment loss and reversal of impairment loss [abstract] Abstract ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract
604 Rainy River depletable mining properties Concept (Monetary) For Period Debit ifrs-full:ImpairmentLoss
605 Tax recovery Concept (Monetary) For Period Credit ngd:TaxRecoveryOnImpairmentLoss
606 Total impairment charge after tax Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossRecognisedInProfitOrLoss
607 1069 - Disclosure - IMPAIRMENT (Details 2) Network

*

*

 http://www.newgold.com/role/ImpairmentDetails2
608 Impairment [Table] Table

*

*

 ngd:ImpairmentTable
609 Hedging instruments [axis] Axis ifrs-full:HedgingInstrumentsAxis
610 Hedging instruments [member] Member ifrs-full:HedgingInstrumentsMember
611 Gold [Member] Member ngd:Gold1Member
612 Silver [Member] Member ngd:SilverMember
613 Currency risk [Axis] Axis ngd:CurrencyRiskAxis
614 Currency risk [Domain] Member ngd:CurrencyRiskDomain
615 Impairment [Line Items] LineItems ngd:ImpairmentLineItems
616 Average Commodity prices Concept (Decimal) As Of ngd:ShortTermCommodityPricingAssumptions
617 Long term Commodity Prices Concept (Decimal) As Of ngd:LongTermCommodityPricingAssumptions
618 Average Exchange rates Concept (Decimal) As Of ngd:ShortTermForeignExchangeRateAssumptions
619 Long term Exchange rates Concept (Decimal) As Of ngd:LongTermForeignExchangeRateAssumptions
620 1070 - Disclosure - IMPAIRMENT (Details 3) Network

*

*

 http://www.newgold.com/role/ImpairmentDetails3
621 Impairment [Table] Table

*

*

 ngd:ImpairmentTable
622 Individual assets or cash-generating units [axis] Axis ifrs-full:IndividualAssetsOrCashgeneratingUnitsAxis
623 Entity's total for individual assets or cash-generating units [member] Member ifrs-full:EntitysTotalForIndividualAssetsOrCashgeneratingUnitsMember
624 Individual assets or cash-generating units [member] Member ifrs-full:IndividualAssetsOrCashgeneratingUnitsMember
625 Actuarial assumptions [axis] Axis ifrs-full:ActuarialAssumptionsAxis
626 Actuarial assumptions [member] Member ifrs-full:ActuarialAssumptionsMember
627 $100 per ounce change in gold price [Member] Member ngd:ChangeInGoldPriceMember
628 0.5% change in discount rate [Member] Member ngd:ZeroPointFivePercentageChangeInDiscountRateMember
629 5% change in foreign exchange rate [Member] Member ngd:FivePercentageChangeInExchangeRateMember
630 5% change in operating costs [Member] Member ngd:FivePercentageChangeInOperatingCostsMember
631 5% change in in-situ ounces [Member] Member ngd:FivePercentageChangeInInsituOuncesMember
632 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
633 Property, Plant and Equipment [Member] Member ifrs-full:PropertyPlantAndEquipmentMember
634 Rainy River Mines [Member] Member ngd:RainyRiverMinesMember
635 Blackwater Mines [Member] Member ngd:BlackwaterMinesMember
636 Impairment [Line Items] LineItems ngd:ImpairmentLineItems
637 Recoverable Amount Concept (Monetary) As Of Debit ngd:RecoverableAmount
638 1071 - Disclosure - IMPAIRMENT (Details 3) (Parenthetical) Network

*

*

 http://www.newgold.com/role/ImpairmentDetails3Parenthetical
639 Impairment [Table] Table

*

*

 ngd:ImpairmentTable
640 Individual assets or cash-generating units [axis] Axis ifrs-full:IndividualAssetsOrCashgeneratingUnitsAxis
641 Entity's total for individual assets or cash-generating units [member] Member ifrs-full:EntitysTotalForIndividualAssetsOrCashgeneratingUnitsMember
642 Individual assets or cash-generating units [member] Member ifrs-full:IndividualAssetsOrCashgeneratingUnitsMember
643 Impairment [Line Items] LineItems ngd:ImpairmentLineItems
644 Description of changes in gold price Concept (Per Unit) For Period ngd:DescriptionOfChangesInGoldPrice
645 Description of change in discount rate Concept (Percent) As Of ifrs-full:DescriptionOfDiscountRatesAppliedToCashFlowProjections
646 Description of change in foreign exchange rate Concept (Percent) For Period ngd:DescriptionOfChangesInExchangeRate
647 Description of change in operating costs Concept (Percent) For Period ngd:DescriptionOfChangesInOperatingCosts
648 Description of change in in-situ ounces or in-situ value Concept (Percent) For Period ngd:DescriptionOfChangesInInsituOunces
649 1072 - Disclosure - IMPAIRMENT (Details Textual) Network

*

*

 http://www.newgold.com/role/ImpairmentDetailsTextual
650 Impairment [Table] Table

*

*

 ngd:ImpairmentTable
651 Range [Axis] Axis ifrs-full:RangeAxis
652 Ranges [member] Member ifrs-full:RangesMember
653 Weighted Average [Member] Member ifrs-full:WeightedAverageMember
654 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
655 Property, Plant and Equipment [Member] Member ifrs-full:PropertyPlantAndEquipmentMember
656 Impairment [Line Items] LineItems ngd:ImpairmentLineItems
657 Impairment loss net of deferred tax recovery Concept (Monetary) For Period Debit ngd:ImpairmentLossNetOfDeferredTaxRecovery
658 Impairment loss Concept (Monetary) For Period Debit ifrs-full:ImpairmentLoss
659 Discount rate used in current estimate of value in use Concept (Percent) As Of ifrs-full:DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse
660 Insitu Valuation Per Ounce Of Gold Concept (Per Unit) As Of ngd:InsituValuationPerOunceOfGold
661 Impairment loss recognised in profit or loss Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossRecognisedInProfitOrLoss
662 1073 - Disclosure - LONG-TERM DEBT (Details) Network

*

*

 http://www.newgold.com/role/LongTermDebtDetails
663 Long Term Debts [Table] Table

*

*

 ngd:LongTermDebtsTable
664 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
665 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
666 Senior unsecured notes - due November 15, 2022 Member ngd:TwoThousandTwentyTwoUnsecuredNotesMember
667 Credit Facility [member] Member ngd:RevolvingCreditFacility1Member
668 Senior unsecured notes - due May15, 2025 Member ngd:TwoThousandTwentyFiveUnsecuredNotesMember
669 Long Term Debt [Line Items] LineItems ngd:LongTermDebtLineItems
670 LONG-TERM DEBT Abstract ifrs-full:NoncurrentPortionOfNoncurrentBorrowingsByTypeAbstract
671 Non-current portion of non-current borrowings Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
672 1074 - Disclosure - LONG-TERM DEBT (Details) (Parenthetical) Network

*

*

 http://www.newgold.com/role/LongTermDebtDetailsParenthetical
673 Long Term Debts [Table] Table

*

*

 ngd:LongTermDebtsTable
674 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
675 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
676 Senior unsecured notes - due November 15, 2022 Member ngd:TwoThousandTwentyTwoUnsecuredNotesMember
677 Senior unsecured notes - due May15, 2025 Member ngd:TwoThousandTwentyFiveUnsecuredNotesMember
678 Long Term Debt [Line Items] LineItems ngd:LongTermDebtLineItems
679 Borrowings, maturity Concept (Text/String) For Period ifrs-full:BorrowingsMaturity
680 1075 - Disclosure - LONG-TERM DEBT (Details 1) Network

*

*

 http://www.newgold.com/role/LongTermDebtDetails1
681 Long Term Debts [Table] Table

*

*

 ngd:LongTermDebtsTable
682 Redemption Period [Axis] Axis ngd:RedemptionPeriodAxis
683 Redemption Period [Domain] Member ngd:RedemptionPeriodDomain
684 2019 Member ngd:RedemptionPeriodTwoMember
685 2020 and thereafter Member ngd:RedemptionPeriodThreeMember
686 2021 and thereafter Member ngd:RedemptionperiodfourmemberMember
687 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
688 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
689 2022 Unsecured Notes [member] Member ngd:TwoThousandTwentyTwoUnsecuredNotesMember
690 Long Term Debt [Line Items] LineItems ngd:LongTermDebtLineItems
691 Redemption price percentage of borrowings Concept (Percent) For Period ngd:RedemptionPricePercentageOfBorrowings
692 1076 - Disclosure - LONG-TERM DEBT (Details 2) Network

*

*

 http://www.newgold.com/role/LongTermDebtDetails2
693 Long Term Debts [Table] Table

*

*

 ngd:LongTermDebtsTable
694 Maturity [axis] Axis ifrs-full:MaturityAxis
695 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
696 2020 Member ifrs-full:NotLaterThanOneYearMember
697 2021 Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
698 2022 Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
699 2023 and thereafter Member ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
700 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
701 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
702 2025 Unsecured Notes [member] Member ngd:UnsecuredNotesMember
703 Long Term Debt [Line Items] LineItems ngd:LongTermDebtLineItems
704 Borrowings Redemption Price Percentage Concept (Percent) For Period ngd:BorrowingsRedemptionPricePercentage
705 1077 - Disclosure - LONG-TERM DEBT (Details 3) Network

*

*

 http://www.newgold.com/role/LongTermDebtDetails3
706 Long Term Debts [Table] Table

*

*

 ngd:LongTermDebtsTable
707 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
708 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
709 Range [Axis] Axis ifrs-full:RangeAxis
710 Ranges [member] Member ifrs-full:RangesMember
711 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
712 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
713 Applicable Financial Covenant [Member] Member ngd:ApplicableFinancialCovenantMember
714 Continuing involvement in derecognised financial assets by type of instrument [axis] Axis ifrs-full:ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis
715 Types of instrument [member] Member ifrs-full:TypesOfInstrumentMember
716 Adjusted EBITDA to Interest [Member] Member ngd:AdjustedEbitdaToInterestMember
717 Net Debt to Adjusted EBITDA [Member] Member ngd:NetDebtToAdjustedEbitdaMember
718 Secured Debt To Adjusted Ebitda Member [Member] Member ngd:SecuredDebtToAdjustedEbitdaMemberMember
719 Long Term Debt [Line Items] LineItems ngd:LongTermDebtLineItems
720 Interest Coverage Ratio Concept (Text/String) For Period ngd:InterestCoverageRatio
721 Leverage Ratio Concept (Text/String) For Period ngd:LeverageRatio
722 Secured Leverage Ratio Concept (Text/String) For Period ngd:SecuredLeverageRatio
723 1078 - Disclosure - LONG-TERM DEBT (Details 4) Network

*

*

 http://www.newgold.com/role/LongTermDebtDetails4
724 Long Term Debts [Table] Table

*

*

 ngd:LongTermDebtsTable
725 Liabilities arising from financing activities [axis] Axis ifrs-full:LiabilitiesArisingFromFinancingActivitiesAxis
726 Liabilities arising from financing activities [member] Member ifrs-full:LiabilitiesArisingFromFinancingActivitiesMember
727 Long-term borrowings [member] Member ifrs-full:LongtermBorrowingsMember
728 Interest Payable [Member] Member ngd:InterestPayableMember
729 Gold stream obligation [Member] Member ngd:GoldStreamObligationMember
730 Long Term Debt [Line Items] LineItems ngd:LongTermDebtLineItems
731 Liabilities Arising From Financing Activities Concept (Monetary) As Of Credit ifrs-full:LiabilitiesArisingFromFinancingActivities
732 Borrowings Concept (Monetary) For Period Credit ngd:IncreaseDecreaseThroughChangesInBorrowingsArisingFromFinancingActivities
733 Repayments Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities
734 Fair Value changes Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughChangesInFairValuesLiabilitiesArisingFromFinancingActivities
735 Interest & Accretion Concept (Monetary) For Period Credit ngd:InterestAccretionOnLiabilitiesArisingFromFinancingActivities
736 Foreign Exchange Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities
737 Liabilities Arising From Financing Activities Concept (Monetary) As Of Credit ifrs-full:LiabilitiesArisingFromFinancingActivities
738 1079 - Disclosure - LONG-TERM DEBT (Details Textual) Network

*

*

 http://www.newgold.com/role/LongTermDebtDetailsTextual
739 Long Term Debts [Table] Table

*

*

 ngd:LongTermDebtsTable
740 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
741 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
742 2022 Unsecured Notes [member] Member ngd:TwoThousandTwentyTwoUnsecuredNotesMember
743 2025 Unsecured Notes [member] Member ngd:UnsecuredNotesMember
744 Credit Facility [member] Member ngd:CreditFacilitiesMember
745 Range [Axis] Axis ifrs-full:RangeAxis
746 Ranges [member] Member ifrs-full:RangesMember
747 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
748 Top of range [member] Member ifrs-full:TopOfRangeMember
749 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
750 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
751 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
752 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
753 Subsidiaries [Member] Member ifrs-full:SubsidiariesMember
754 Long Term Debt [Line Items] LineItems ngd:LongTermDebtLineItems
755 Proceeds from non-current borrowings Concept (Monetary) For Period Debit ifrs-full:ProceedsFromNoncurrentBorrowings
756 Notional amount Concept (Monetary) As Of ifrs-full:NotionalAmount
757 Borrowings, interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
758 Interest Coverage Ratio Concept (Text/String) For Period ngd:InterestCoverageRatio
759 Standby fees on undrawn amounts under credit facility, Percentage Concept (Percent) As Of ngd:StandbyFeesOnUndrawnAmountsUnderCreditFaciltypercentage
760 Letters Of Credit Issued Concept (Monetary) For Period Debit ngd:LettersOfCreditIssued
761 Credit Facility Full Interest Rate Concept (Percent) As Of ngd:CreditFacilityFullInterestRate
762 Transaction Costs Capitalized Concept (Monetary) For Period Debit ngd:TransactionCostsCapitalized
763 Increase Decrease The Capacity for Credit Facility Concept (Monetary) For Period Credit ngd:IncreaseDecreaseCapacityForCreditFacility
764 Borrowing costs incurred Concept (Monetary) For Period ifrs-full:BorrowingCostsIncurred
765 Fee and commission expense Concept (Monetary) For Period Debit ifrs-full:FeeAndCommissionExpense
766 Borrowings Redemption Price Percentage Concept (Percent) For Period ngd:BorrowingsRedemptionPricePercentage
767 Financing Initiation Cost Concept (Monetary) For Period Debit ngd:FinancingInitiationCost
768 Line Of Credit Maximum Borrowing Capacity Granted Concept (Monetary) As Of Credit ngd:LineOfCreditMaximumBorrowingCapacityGranted
769 1080 - Disclosure - GOLD STREAM OBLIGATION (Details) Network

*

*

 http://www.newgold.com/role/GoldStreamObligationDetails
770 Implied Table Table

*

*

 implied:Table
771 Designated financial liabilities at fair value through profit or loss [abstract] Abstract ifrs-full:DesignatedFinancialLiabilitiesAtFairValueThroughProfitOrLossAbstract
772 Balance Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentFinancialLiabilities
773 Settlements during the period Concept (Monetary) For Period Credit ngd:PaymentsForMeetingCommitmentsRelatingToGoldStreamObligation
774 Fair value adjustments related to changes in the Company's own credit risk Concept (Monetary) For Period Credit ifrs-full:ChangesInFairValueOfFinancialLiabilityAttributableToChangesInCreditRiskOfLiability
775 Other fair value adjustments Concept (Monetary) For Period Credit ngd:IncreaseDecreaseInFairValueOfFinancialLiabilityOtherAdjustments
776 Balance Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentFinancialLiabilities
777 Less: current portion of gold stream obligation Concept (Monetary) As Of Credit ifrs-full:OtherCurrentFinancialLiabilities
778 Non-current portion of gold stream obligation Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentFinancialLiabilities
779 1081 - Disclosure - GOLD STREAM OBLIGATION (Details Textual) Network

*

*

 http://www.newgold.com/role/GoldStreamObligationDetailsTextual
780 Disclosure of gold stream obligation [Table] Table

*

*

 ngd:DisclosureOfGoldStreamObligationTable
781 Range [Axis] Axis ifrs-full:RangeAxis
782 Ranges [member] Member ifrs-full:RangesMember
783 Top of range [member] Member ifrs-full:TopOfRangeMember
784 Disclosure of gold stream obligation [Line Items] LineItems ngd:DisclosureOfGoldStreamObligationLineItems
785 Transaction price allocated to remaining performance obligations Concept (Monetary) As Of Credit ifrs-full:TransactionPriceAllocatedToRemainingPerformanceObligations
786 Gold stream obligation, rate of gold production to be delivered for initial threshold Concept (Percent) As Of ngd:GoldStreamObligationRateOfGoldProductionToBeDeliveredForInitialThreshold
787 Gold stream obligation initial threshold quantity Concept (Integer) For Period ngd:GoldStreamObligationInitialThresholdQuantity
788 Gold stream obligation rate of gold production to be delivered after initial threshold Concept (Percent) As Of ngd:GoldStreamObligationRateOfGoldProductionToBeDeliveredAfterInitialThreshold
789 Gold stream obligation, rate of silver production to be delivered for initial threshold Concept (Percent) As Of ngd:GoldStreamObligationRateOfSilverProductionToBeDeliveredForInitialThreshold
790 Gold stream obligation, silver production, initial threshold quantity Concept (Integer) For Period ngd:GoldStreamObligationSilverProductionInitialThresholdQuantity
791 Gold stream obligation, rate of silver production to be delivered after initial threshold Concept (Percent) As Of ngd:GoldStreamObligationRateOfSilverProductionToBeDeliveredAfterInitialThreshold
792 Average spot rate of gold or silver Concept (Percent) As Of ngd:AverageSpotRateOfGoldOrSilver
793 Term of the agreement Concept (xbrli:durationItemType) For Period ngd:TermOfAgreement
794 Maximum leverage ratio Concept (Decimal) For Period ngd:MaximumLeverageRatio
795 1082 - Disclosure - DERIVATIVE INSTRUMENTS (Details) Network

*

*

 http://www.newgold.com/role/DerivativeInstrumentsDetails
796 Derivative instruments [Table] Table

*

*

 ngd:DerivativeInstrumentsTable
797 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
798 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
799 Unsettled provisionally priced concentrate derivatives, and swap contracts Member ngd:ConcentrateDerivativesAndSwapContractsMember
800 Copper price option contract Member ngd:CopperPriceOptionContractMember
801 Gold Price Option Contract Member ngd:GoldPriceOptionContractMember
802 Derivative instruments [Line Items] LineItems ngd:DerivativeInstrumentsLineItems
803 DERIVATIVE ASSETS Abstract ngd:DerivativeFinancialAssetsAbstract
804 Derivative financial assets Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
805 DERIVATIVE LIABILITIES Abstract ngd:DerivativeFinancialLiabilitiesAbstract
806 Derivative financial liabilities Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
807 Total derivative liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentDerivativeFinancialLiabilities
808 1083 - Disclosure - DERIVATIVE INSTRUMENTS (Details 2) Network

*

*

 http://www.newgold.com/role/DerivativeInstrumentsDetails2
809 Derivative instruments [Table] Table

*

*

 ngd:DerivativeInstrumentsTable
810 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
811 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
812 Gold [Member] Member ngd:Gold1Member
813 Copper [Member] Member ngd:CopperMember
814 Derivative instruments [Line Items] LineItems ngd:DerivativeInstrumentsLineItems
815 GAIN (loss) on the provisional pricing of concentrate sales Abstract ngd:GainLossOnProvisionalPricingOfConcentrateSalesAbstract
816 Realized Concept (Monetary) For Period Credit ngd:RealisedGainLossOnPovisionalPricingOfConcentrateSales
817 Unrealized Concept (Monetary) For Period Credit ngd:UnrealisedGainLossOnPovisionalPricingOfConcentrateSales
818 Total gain (loss) Concept (Monetary) For Period Credit ngd:TotalGainLossOnProvisionalPricingOfConcentrateSales
819 1084 - Disclosure - DERIVATIVE INSTRUMENTS (Details 3) Network

*

*

 http://www.newgold.com/role/DerivativeInstrumentsDetails3
820 Derivative instruments [Table] Table

*

*

 ngd:DerivativeInstrumentsTable
821 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
822 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
823 Gold [Member] Member ngd:Gold1Member
824 Copper [Member] Member ngd:CopperMember
825 Derivative instruments [Line Items] LineItems ngd:DerivativeInstrumentsLineItems
826 (LOSS) Gain on swap contracts Abstract ngd:LossGainOnSwapContractsAbstract
827 Realized Concept (Monetary) For Period Credit ngd:RealisedGainLossOnSwapContracts
828 Unrealized Concept (Monetary) For Period Credit ngd:UnrealisedGainLossOnSwapContracts
829 Total gain (loss) Concept (Monetary) For Period Credit ngd:TotalGainLossOnSwapContracts
830 1085 - Disclosure - DERIVATIVE INSTRUMENTS (Details 4) Network

*

*

 http://www.newgold.com/role/DerivativeInstrumentsDetails4
831 Implied Table Table

*

*

 implied:Table
832 Volumes subject to final pricing net of outstanding swaps [Abstract] Abstract ngd:VolumesSubjectToFinalPricingNetOfOutstandingSwapsAbstract
833 Gold ounces Concept (num:massItemType) As Of ngd:VolumeOfGoldSubjectToFinalPricingNetOfOutstandingSwaps
834 Copper pounds Concept (num:massItemType) As Of ngd:VolumeOfCopperSubjectToFinalPricingNetOfOutstandingSwaps
835 1086 - Disclosure - DERIVATIVE INSTRUMENTS (Details 5) Network

*

*

 http://www.newgold.com/role/DerivativeInstrumentsDetails5
836 Derivative instruments [Table] Table

*

*

 ngd:DerivativeInstrumentsTable
837 Continuing involvement in derecognised financial assets by type of instrument [axis] Axis ifrs-full:ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis
838 Types of instrument [member] Member ifrs-full:TypesOfInstrumentMember
839 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
840 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
841 Copper [Member] Member ngd:CopperMember
842 Derivative instruments [Line Items] LineItems ngd:DerivativeInstrumentsLineItems
843 Copper Call Contracts Sold Quantity Outstanding Concept (Decimal) For Period ngd:CopperCallContractsSoldQuantityOutstanding
844 Copper Call Contracts Purchased Quantity Outstanding Concept (Decimal) For Period ngd:CopperCallContractsPurchasedQuantityOutstanding
845 Copper Call Contracts Sold Remaining Contractual term Concept (xbrli:durationItemType) For Period ngd:CopperCallContractsSoldRemainingContractualTerm
846 Copper Call Contracts Purchased Remaining Contractual term Concept (xbrli:durationItemType) For Period ngd:CopperCallContractsPurchasedRemainingContractualTerm
847 Copper Call Contracts Sold Exercise Price Concept (Decimal) For Period ngd:CopperCallContractsSoldExercisePrice
848 Copper Put Contracts Purchased Exercise Price Concept (Decimal) For Period ngd:CopperPutContractsPurchasedExercisePrice
849 Copper Call Contracts Sold Fair Value Assets Concept (Monetary) As Of Debit ngd:CopperCallContractsSoldFairValueAssets
850 Copper Put Contracts Purchased Fair Value Liability Concept (Monetary) As Of Credit ngd:CopperPutContractsPurchasedFairValueLiability
851 1087 - Disclosure - DERIVATIVE INSTRUMENTS (Details 6) Network

*

*

 http://www.newgold.com/role/DerivativeInstrumentsDetails6
852 Disclosure of derivative instrument [Table] Table

*

*

 ngd:DisclosureOfDerivativeInstrumentTable
853 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
854 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
855 Gold [Member] Member ngd:Gold1Member
856 Disclosure of derivative instruments [Line Items] LineItems ngd:DisclosureOfDerivativeInstrumentsLineItems
857 Gold Call Contracts Sold Quantity Outstanding Concept (Decimal) For Period ngd:GoldCallContractsSoldQuantityOutstanding
858 Gold Call Contracts Purchased Quantity Outstanding Concept (Decimal) For Period ngd:GoldCallContractsPurchasedQuantityOutstanding
859 Gold Call Contracts Sold Remaining Contractual term Concept (xbrli:durationItemType) For Period ngd:GoldCallContractsSoldRemainingContractualTerm
860 Gold Call Contracts Purchased Remaining Contractual term Concept (xbrli:durationItemType) For Period ngd:GoldCallContractsPurchasedRemainingContractualTerm
861 Gold Call Contracts Sold Exercise Price Concept (Decimal) For Period ngd:GoldCallContractsSoldExercisePrice
862 Gold Call Contracts Purchased Exercise Price Concept (Decimal) For Period ngd:GoldCallContractsPurchasedExercisePrice
863 Gold Call Contracts Sold Fair Value Assets Liability Concept (Monetary) For Period Credit ngd:GoldCallContractsSoldFairValueAssetsLiability
864 Gold Call Contracts Purchased Fair Value Assets Liability Concept (Monetary) For Period Credit ngd:GoldCallContractsPurchasedFairValueAssetsLiability
865 1088 - Disclosure - DERIVATIVE INSTRUMENTS (Details Textual) Network

*

*

 http://www.newgold.com/role/DerivativeInstrumentsDetailsTextual
866 Disclosure of derivative instruments [Table] Table

*

*

 ngd:DisclosureOfDerivativeInstrumentTable
867 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
868 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
869 Continuing involvement in derecognised financial assets by type of instrument [axis] Axis ifrs-full:ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis
870 Types of instrument [member] Member ifrs-full:TypesOfInstrumentMember
871 Purchased put options [Member] Member ngd:PurchasedPutOptionsMember
872 Written call options [Member] Member ngd:WrittenCallOptionsMember
873 Disclosure of derivative instruments [Line Items] LineItems ngd:DisclosureOfDerivativeInstrumentsLineItems
874 Strike price of put options at the time of purchasing Concept (Per Unit) For Period ngd:StrikePriceOfPutOptionsAtTimeOfPurchasing
875 Strike price of call options at the time of selling Concept (Per Unit) For Period ngd:StrikePriceOfCallOptionsAtTimeOfSelling
876 Strike price of copper price option contracts Concept (num:massItemType) As Of ngd:StrikePriceOfCopperPriceOptionContracts
877 1089 - Disclosure - SHARE CAPITAL (Details) Network

*

*

 http://www.newgold.com/role/ShareCapitalDetails
878 Share capital [Table] Table

*

*

 ngd:ShareCapitalTable
879 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
880 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
881 Share capital [Line Items] LineItems ngd:ShareCapitalLineItems
882 Balance Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
883 Common shares, beginning of Period Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
884 Issuance of common shares on equity offering Concept (Shares) As Of ifrs-full:NumberOfSharesIssued
885 Issuance of common shares under First Nations agreements Concept (Shares) For Period ngd:NumberOfSharesIssuedUnderAgreement
886 Exercise of options and vested performance share units Concept (Shares) For Period ngd:ExerciseOfOptionsAndVestedPerformanceShareUnits
887 Issuance of common shares on equity offering Concept (Monetary) For Period Credit ifrs-full:IssueOfEquity
888 Issuance of shares under First Nations agreements and land purchases Concept (Monetary) For Period Credit ngd:ValueOfSharesIssuedUnderAgreement
889 Exercise of options and vested performance share units Concept (Monetary) For Period Credit ngd:IncreaseDecreaseThroughExerciseOfOptionsAndVested
890 Reversal of deferred tax recovery Concept (Monetary) For Period Debit ifrs-full:DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences
891 Reversal of deferred tax recovery Concept (Shares) For Period ngd:DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferencesShares
892 Balance Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
893 Common shares, end of period Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
894 1090 - Disclosure - SHARE CAPITAL (Details 1) Network

*

*

 http://www.newgold.com/role/ShareCapitalDetails1
895 Share capital [Table] Table

*

*

 ngd:ShareCapitalTable
896 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
897 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
898 Stock Options [Member] Member ngd:StockOptionsMember
899 Performance Share Units [Member] Member ngd:PerformanceShareUnitsMember
900 Restricted Share Unit [Member] Member ngd:RestrictedShareUnitMember
901 Deferred Share Units [Member] Member ngd:DeferredShareUnitsMember
902 Common Shares Under First Nations Agreement [Member] Member ngd:CommonSharesUnderFirstNationsAgreementMember
903 Share capital [Line Items] LineItems ngd:ShareCapitalLineItems
904 Share-based payment expenses Concept (Monetary) For Period Debit ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees
905 1091 - Disclosure - SHARE CAPITAL (Details 2) Network

*

*

 http://www.newgold.com/role/ShareCapitalDetails2
906 Share capital [Table] Table

*

*

 ngd:ShareCapitalTable
907 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
908 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
909 Share capital [Line Items] LineItems ngd:ShareCapitalLineItems
910 Balance Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
911 Granted Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
912 Exercised Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
913 Forfeited Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement
914 Expired Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsExpiredInSharebasedPaymentArrangement
915 Balance Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
916 Begining balance Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
917 Granted Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement
918 Exercised Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement
919 Forfeited Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement
920 Expired Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement
921 Ending balance Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
922 1092 - Disclosure - SHARE CAPITAL (Details 6) Network

*

*

 http://www.newgold.com/role/ShareCapitalDetails6
923 Implied Table Table

*

*

 implied:Table
924 Calculation of diluted income loss per share [Abstract] Abstract ngd:CalculationOfDilutedIncomeLossPerShareAbstract
925 Loss from continuing operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromContinuingOperations
926 Net earnings (loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
927 Basic weighted average number of shares outstanding Concept (Shares) For Period ifrs-full:WeightedAverageShares
928 Stock options Concept (Shares) For Period ifrs-full:DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares
929 Diluted weighted average number of shares outstanding Concept (Shares) For Period ifrs-full:AdjustedWeightedAverageShares
930 Loss from continuing operations per share: Basic Concept (Share) For Period ifrs-full:BasicEarningsLossPerShareFromContinuingOperations
931 Diluted earnings (loss) per share Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShare
932 Loss from continuing operations per share: Diluted Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShareFromContinuingOperations
933 Basic earnings (loss) per share Concept (Share) For Period ifrs-full:BasicEarningsLossPerShare
934 1093 - Disclosure - SHARE CAPITAL (Details 7) Network

*

*

 http://www.newgold.com/role/ShareCapitalDetails7
935 Share capital [Table] Table

*

*

 ngd:ShareCapitalTable
936 Antidilutive Security Items [Axis] Axis ngd:AntidilutiveSecurityItemsAxis
937 Antidilutive Security Items [Domain] Member ngd:AntidilutiveSecurityItemsDomain
938 Stock Options [Member] Member ngd:StockOptionsMember
939 Share capital [Line Items] LineItems ngd:ShareCapitalLineItems
940 Equity securities excluded from the calculation of diluted earnings per share Concept (Shares) For Period ifrs-full:DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares
941 1094 - Disclosure - SHARE CAPITAL (Details Textual) Network

*

*

 http://www.newgold.com/role/ShareCapitalDetailsTextual
942 Share capital [Table] Table

*

*

 ngd:ShareCapitalTable
943 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
944 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
945 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
946 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
947 Range [Axis] Axis ifrs-full:RangeAxis
948 Ranges [member] Member ifrs-full:RangesMember
949 Antidilutive Security Items [Axis] Axis ngd:AntidilutiveSecurityItemsAxis
950 Antidilutive Security Items [Domain] Member ngd:AntidilutiveSecurityItemsDomain
951 Share capital [Line Items] LineItems ngd:ShareCapitalLineItems
952 Number of shares outstanding Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
953 Weighted average share price Concept (Monetary) For Period ifrs-full:WeightedAverageSharePrice
954 Number Of Common Shares Issued On Equity Offering Concept (Shares) For Period ngd:NumberOfCommonSharesIssuedOnEquityOffering
955 Share Price Concept (Share) For Period ngd:SharePrice1
956 Gross Proceeds From Issuance Of Ordinary Shares Concept (Monetary) For Period Debit ngd:GrossProceedsFromIssuanceOfOrdinaryShares
957 Share issue related cost Concept (Monetary) For Period Debit ifrs-full:ShareIssueRelatedCost
958 Deferred tax expense (income) Concept (Monetary) For Period Debit ifrs-full:DeferredTaxExpenseIncome
959 Expense from share-based payment transactions with employees Concept (Monetary) For Period Debit ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees
960 1095 - Disclosure - DISCONTINUED OPERATIONS (Details) Network

*

*

 http://www.newgold.com/role/DiscontinuedOperationsDetails
961 Disclosure Of DISCONTINUED OPERATIONS [Table] Table

*

*

 ngd:DisclosureOfDiscontinuedOperationsTable
962 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
963 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
964 Peak Mines [Member] Member ngd:PeakMinesMember
965 Continuing and discontinued operations [axis] Axis ifrs-full:ContinuingAndDiscontinuedOperationsAxis
966 Continuing operations [member] Member ifrs-full:ContinuingOperationsMember
967 Discontinued operations [member] Member ifrs-full:DiscontinuedOperationsMember
968 Disclosure Of DISCONTINUED OPERATIONS [Line Items] LineItems ngd:DisclosureOfDiscontinuedOperationsLineItems
969 Net assets held for sale Concept (Monetary) As Of Debit ngd:NetAssetsHeldForSale
970 Disposal Costs Incurred Concept (Monetary) For Period Debit ngd:DisposalCostsIncurred
971 Gross proceeds from sale of Peak Mines Concept (Monetary) For Period Debit ifrs-full:ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations
972 Other Closure Adjustments Concept (Monetary) For Period Credit ngd:OtherClosureAdjustments
973 Total FVLCS Concept (Monetary) For Period Credit ifrs-full:GainLossRecognisedOnMeasurementToFairValueLessCostsToSellOrOnDisposalOfAssetsOrDisposalGroupsConstitutingDiscontinuedOperation
974 Profit (loss) from discontinued operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromDiscontinuedOperations
975 1096 - Disclosure - DISCONTINUED OPERATIONS (Details 1) Network

*

*

 http://www.newgold.com/role/DiscontinuedOperationsDetails1
976 Disclosure Of DISCONTINUED OPERATIONS [Table] Table

*

*

 ngd:DisclosureOfDiscontinuedOperationsTable
977 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
978 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
979 Mesquite [Member] Member ngd:MesquiteMember
980 Continuing and discontinued operations [axis] Axis ifrs-full:ContinuingAndDiscontinuedOperationsAxis
981 Continuing operations [member] Member ifrs-full:ContinuingOperationsMember
982 Discontinued operations [member] Member ifrs-full:DiscontinuedOperationsMember
983 Disclosure Of DISCONTINUED OPERATIONS [Line Items] LineItems ngd:DisclosureOfDiscontinuedOperationsLineItems
984 Profit (loss) from discontinued operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromDiscontinuedOperations
985 Carrying value of net assets held for sale Concept (Monetary) As Of Debit ngd:NetAssetsHeldForSale
986 Gross proceeds from sale of Mesquite Concept (Monetary) For Period Debit ifrs-full:ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations
987 Disposal Costs Incurred Concept (Monetary) For Period Debit ngd:DisposalCostsIncurred
988 Working Capital Excluding Cash and Cash Equivalent Concept (Monetary) For Period Debit ngd:WorkingCapitalExcludingCashAndCashEquivalent
989 Proceeds Due From Income Tax Refunds At Mesquite Concept (Monetary) For Period Debit ngd:ProceedsDueFromIncomeTaxRefundsAtMesquite
990 Total FVLCS Concept (Monetary) For Period Credit ifrs-full:GainLossRecognisedOnMeasurementToFairValueLessCostsToSellOrOnDisposalOfAssetsOrDisposalGroupsConstitutingDiscontinuedOperation
991 1097 - Disclosure - DISCONTINUED OPERATIONS (Details 2) Network

*

*

 http://www.newgold.com/role/DiscontinuedOperationsDetails2
992 Disclosure Of DISCONTINUED OPERATIONS [Table] Table

*

*

 ngd:DisclosureOfDiscontinuedOperationsTable
993 Continuing and discontinued operations [axis] Axis ifrs-full:ContinuingAndDiscontinuedOperationsAxis
994 Continuing operations [member] Member ifrs-full:ContinuingOperationsMember
995 Discontinued operations [member] Member ifrs-full:DiscontinuedOperationsMember
996 Disclosure Of DISCONTINUED OPERATIONS [Line Items] LineItems ngd:DisclosureOfDiscontinuedOperationsLineItems
997 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
998 Operating expense Concept (Monetary) For Period Debit ifrs-full:OperatingExpense
999 Depreciation and depletion Concept (Monetary) For Period Debit ifrs-full:DepreciationExpense
1000 Revenue less cost of goods sold Concept (Monetary) For Period Credit ifrs-full:GrossProfit
1001 Finance income Concept (Monetary) For Period Credit ifrs-full:FinanceIncome
1002 Finance costs Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
1003 Other losses Concept (Monetary) For Period Credit ifrs-full:OtherGainsLosses
1004 Impairment loss on held-for-sale assets Concept (Monetary) For Period Debit ifrs-full:ImpairmentLoss
1005 (Loss) earnings before taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
1006 Income tax (expense) recovery Concept (Monetary) For Period Debit ifrs-full:TaxExpenseRelatingToGainLossOnDiscontinuance
1007 (Loss) earnings from discontinued operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromDiscontinuedOperations
1008 1098 - Disclosure - DISCONTINUED OPERATIONS (Details 3) Network

*

*

 http://www.newgold.com/role/DiscontinuedOperationsDetails3
1009 Statement [Table] Table

*

*

 us-gaap:StatementTable
1010 Continuing and discontinued operations [axis] Axis ifrs-full:ContinuingAndDiscontinuedOperationsAxis
1011 Continuing operations [member] Member ifrs-full:ContinuingOperationsMember
1012 Discontinued operations [member] Member ifrs-full:DiscontinuedOperationsMember
1013 Statement [Line Items] LineItems us-gaap:StatementLineItems
1014 Operating activities Abstract ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
1015 (Loss) earnings from discontinued operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromDiscontinuedOperations
1016 Adjustments for: Abstract ifrs-full:AdjustmentsForReconcileProfitLossAbstract
1017 Depreciation and depletion Concept (Monetary) For Period Debit ngd:DepreciationAndDepletionExpense
1018 Other non-cash adjustments Concept (Monetary) For Period Debit ifrs-full:OtherAdjustmentsForNoncashItems
1019 Income tax (recovery) expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1020 Finance costs Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
1021 Impairment loss on held-for-sale assets Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossOnFinancialAssets
1022 Adjustments for fair value losses (gains) Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForFairValueGainsLosses
1023 Change in non-cash operating working capital Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInWorkingCapital
1024 Income taxes received (paid) Concept (Monetary) For Period Credit ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities
1025 Cash generated from operations Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
1026 Finance income Concept (Monetary) For Period Credit ifrs-full:FinanceIncome
1027 Investing activities Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
1028 Mining interests Concept (Monetary) For Period Credit ifrs-full:PurchaseOfMiningAssets
1029 Cash used by investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
1030 Change in cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalents
1031 Interest received Concept (Monetary) For Period Debit ifrs-full:InterestReceivedClassifiedAsInvestingActivities
1032 1099 - Disclosure - DISCONTINUED OPERATIONS (Details Textual) Network

*

*

 http://www.newgold.com/role/DiscontinuedOperationsDetailsTextual
1033 Statement [Table] Table

*

*

 us-gaap:StatementTable
1034 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1035 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1036 Continuing and discontinued operations [axis] Axis ifrs-full:ContinuingAndDiscontinuedOperationsAxis
1037 Continuing operations [member] Member ifrs-full:ContinuingOperationsMember
1038 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1039 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1040 Mesquite [Member] Member ngd:MesquiteMember
1041 Statement [Line Items] LineItems us-gaap:StatementLineItems
1042 Profit (loss) from discontinued operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromDiscontinuedOperations
1043 Cash and cash equivalents classified as part of disposal group held for sale Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsClassifiedAsPartOfDisposalGroupHeldForSale
1044 Net Cash Received From Disposal Of Mesquite Asset Concept (Monetary) For Period Debit ngd:NetCashReceivedFromDisposalOfMesquiteAsset
1045 Disposal Costs Incurred Concept (Monetary) For Period Debit ngd:DisposalCostsIncurred
1046 Net Cash Proceeds from sale of subsidiaries Concept (Monetary) For Period Debit ngd:NetCashProceedsFromSaleOfSubsidiaries
1047 Working Capital ReceivableDiscontinued Operations Including Cash and Cash Equiliance from The Purchasing Company Concept (Monetary) As Of Debit ngd:WorkingCapitalReceivableDiscontinuedOperationsIncludingCashAndCashEquilianceFromThePurchasingCompany
1048 Working Capital Excluding Cash and Cash Equivalent Concept (Monetary) For Period Debit ngd:WorkingCapitalExcludingCashAndCashEquivalent
1049 Deferred income classified as current Concept (Monetary) As Of Credit ifrs-full:DeferredIncomeClassifiedAsCurrent
1050 1100 - Disclosure - INCOME AND MINING TAXES (Details) Network

*

*

 http://www.newgold.com/role/IncomeAndMiningTaxesDetails
1051 Income and mining taxes [Table] Table

*

*

 ngd:IncomeAndMiningTaxesTable
1052 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1053 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1054 Canada [Member] Member ngd:CanadaMember
1055 Foreign [Member] Member ngd:ForeignMember
1056 Income and mining taxes [Line Items] LineItems ngd:IncomeAndMiningTaxesLineItems
1057 Current tax expense (income) Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncome
1058 Adjustments for current tax of prior periods Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForCurrentTaxOfPriorPeriod
1059 Current tax expense (income) and adjustments for current tax of prior periods Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods
1060 Adjustments for deferred tax of prior year Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDeferredTaxOfPriorPeriods
1061 Deferred tax expense (income) Concept (Monetary) For Period Debit ifrs-full:DeferredTaxExpenseIncome
1062 Total income tax expense (recovery) Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1063 1101 - Disclosure - INCOME AND MINING TAXES (Details 1) Network

*

*

 http://www.newgold.com/role/IncomeAndMiningTaxesDetails1
1064 Implied Table Table

*

*

 implied:Table
1065 Income and mining taxes [Abstract] Abstract ngd:IncomeAndMiningTaxesAbstract
1066 Loss before taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
1067 Canadian federal and provincial income tax rates Concept (Percent) For Period ifrs-full:ApplicableTaxRate
1068 Income tax recovery based on above rates Concept (Monetary) For Period Debit ifrs-full:TaxExpenseIncomeAtApplicableTaxRate
1069 INCREASE (DECREASE) DUE TO Abstract ngd:IncreaseDecreaseInIncomeTaxAbstract
1070 Permanent differences Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss
1071 Different statutory tax rates on earnings of foreign subsidiaries Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfForeignTaxRates
1072 Foreign exchange on non-monetary assets and liabilities Concept (Monetary) For Period Credit ngd:TaxEffectOfForeignExchangeOnNonmonetaryAssetsAndLiabilities
1073 Other foreign exchange differences Concept (Monetary) For Period Debit ngd:TaxEffectOfOtherForeignExchangeDifferences
1074 Prior years' adjustments relating to tax provision and tax returns Concept (Monetary) For Period Debit ngd:TaxEffectOfAdjustmentsForCurrentTaxOfPriorPeriods
1075 Canadian mining tax Concept (Monetary) For Period Debit ngd:TaxEffectOfCanadianMiningTax
1076 Mexican special duty tax Concept (Monetary) For Period Debit ngd:TaxEffectOfMexicanSpecialDutyTax
1077 Withholding tax Concept (Monetary) For Period Debit ngd:TaxEffectOfWithholdingTax
1078 Change in tax rate Concept (Monetary) For Period Debit ifrs-full:TaxEffectFromChangeInTaxRate
1079 Change in unrecognized deferred tax assets Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInDeferredTaxLiabilityAsset
1080 Disposal of El Morro gold stream asset Concept (Monetary) For Period Credit ngd:TaxEffectOfDisposalOfProperty
1081 Sale of Peak and Mesquite Concept (Monetary) For Period Debit ngd:TaxOnSaleOfSubsidiaries
1082 Other Concept (Monetary) For Period Debit ifrs-full:OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome
1083 Income tax recovery Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1084 1102 - Disclosure - INCOME AND MINING TAXES (Details 2) Network

*

*

 http://www.newgold.com/role/IncomeAndMiningTaxesDetails2
1085 Income and mining taxes [Table] Table

*

*

 ngd:IncomeAndMiningTaxesTable
1086 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1087 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1088 Canada [Member] Member ngd:CanadaMember
1089 USA [Member] Member ngd:UsaMember
1090 Australia [Member] Member ngd:AustraliaMember
1091 Mexico [Member] Member ngd:MexicoMember
1092 Total geographical area [Member] Member ngd:TotalGeographicalAreaMember
1093 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1094 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1095 Property, plant and equipment,deferred tax assets [Member] Member ngd:PropertyPlantAndEquipmentdeferredTaxAssetsMember
1096 Investment tax credits government assistance [Member] Member ngd:InvestmentTaxCreditsGovernmentAssistanceMember
1097 Alternative minimum tax credits [Member] Member ngd:AlternativeMinimumTaxCreditsMember
1098 Decommissioning obligations [Member] Member ngd:DecommissioningObligationsMember
1099 Derivative InstrumentsHedging [Member] Member ngd:DerivativeInstrumentshedgingMember
1100 Accrued liabilities and provisions [Member] Member ngd:AccruedLiabilitiesAndProvisionsMember
1101 Other deferred tax assets [Member] Member ngd:OtherDeferredTaxAssetsMember
1102 Mining interests [Member] Member ngd:MiningInterestsMember
1103 British Columbia Mining Tax [Member] Member ngd:BritishColumbiaMiningTaxMember
1104 Ontario Mining Tax [Member] Member ngd:OntarioMiningTaxMember
1105 Mexican Mining Royalty [Member] Member ngd:MexicanMiningRoyaltyMember
1106 Unused tax losses [member] Member ifrs-full:UnusedTaxLossesMember
1107 Gold stream obligation [Member] Member ngd:GoldStreamObligationMember
1108 Capital Losses [Member] Member ngd:CapitalLossesMember
1109 Income and mining taxes [Line Items] LineItems ngd:IncomeAndMiningTaxesLineItems
1110 Deferred tax assets Abstract ngd:DeferredTaxAssetsAbstract
1111 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
1112 Deferred tax liabilities Abstract ngd:DeferreedTaxLiabilitiesAbstract
1113 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
1114 Unrecognized Deferred Tax Assets Concept (Monetary) As Of Debit ngd:UnrecognizedDeferredTaxAssets
1115 Deferred income tax liabilities, net Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
1116 Deferred tax assets and liabilities Abstract ifrs-full:DeferredTaxAssetsAndLiabilitiesAbstract
1117 Deferred tax liability (asset) Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
1118 1103 - Disclosure - INCOME AND MINING TAXES (Details 3) Network

*

*

 http://www.newgold.com/role/IncomeAndMiningTaxesDetails3
1119 Implied Table Table

*

*

 implied:Table
1120 Income and mining taxes [Abstract] Abstract ngd:IncomeAndMiningTaxesAbstract
1121 Balance at the beginning of the year Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
1122 Recognized in net loss Concept (Monetary) For Period ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss
1123 Recognized in other comprehensive income Concept (Monetary) For Period ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome
1124 Recognized as reduction in mineral properties Concept (Monetary) For Period Credit ngd:IncreaseDecreaseThroughReductionInMineralPropertiesDeferredTaxLiabilityAsset
1125 Recognized as foreign exchange Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset
1126 Other Concept (Monetary) For Period Credit ngd:IncreaseDecreaseFromOther
1127 Reclassified as held-for-sale or disposed of Concept (Monetary) For Period Debit ngd:AmountsReclassifiedAsHeldForSale
1128 Total movement in the net deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
1129 1104 - Disclosure - INCOME AND MINING TAXES (Details Textual) Network

*

*

 http://www.newgold.com/role/IncomeAndMiningTaxesDetailsTextual
1130 Income and mining taxes [Table] Table

*

*

 ngd:IncomeAndMiningTaxesTable
1131 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1132 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1133 Canada [Member] Member ngd:CanadaMember
1134 Range [Axis] Axis ifrs-full:RangeAxis
1135 Ranges [member] Member ifrs-full:RangesMember
1136 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
1137 Top of range [member] Member ifrs-full:TopOfRangeMember
1138 Scenario [Axis] Axis us-gaap:StatementScenarioAxis
1139 Scenario, Unspecified [Domain] Member us-gaap:ScenarioUnspecifiedDomain
1140 Scenario, Plan [Member] Member us-gaap:ScenarioPlanMember
1141 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1142 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1143 Unused Capital Losses [Member] Member ngd:UnusedCapitalLossesMember
1144 Other temporary differences [member] Member ifrs-full:OtherTemporaryDifferencesMember
1145 Unused tax losses [member] Member ifrs-full:UnusedTaxLossesMember
1146 Mining Tax [Member] Member ngd:MiningTaxMember
1147 Income and mining taxes [Line Items] LineItems ngd:IncomeAndMiningTaxesLineItems
1148 Applicable tax rate Concept (Percent) For Period ifrs-full:ApplicableTaxRate
1149 Unused tax losses for which no deferred tax asset recognised Concept (Monetary) As Of ifrs-full:UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised
1150 Description of expiry date of deductible temporary differences, unused tax losses and unused tax credits Concept (Text/String) For Period ifrs-full:DescriptionOfExpiryDateOfTemporaryDifferencesUnusedTaxLossesAndUnusedTaxCredits
1151 Unused Capital Losses For Which No Deferred Tax Assets Recognized Concept (Monetary) As Of Debit ngd:UnusedCapitalLossesForWhichNoDeferredTaxAssetsRecognized
1152 1105 - Disclosure - RECLAMATION AND CLOSURE COST OBLIGATIONS (Details) Network

*

*

 http://www.newgold.com/role/ReclamationAndClosureCostObligationsDetails
1153 Disclosure of reclamation and closure cost obligations [Table] Table

*

*

 ngd:DisclosureOfReclamationAndClosureCostObligationsTable
1154 Segments [axis] Axis ifrs-full:SegmentsAxis
1155 Segments [member] Member ifrs-full:SegmentsMember
1156 New Afton [Member] Member ngd:NewAftonMember
1157 Mesquite [Member] Member ngd:MesquiteMember
1158 Peak Mines [Member] Member ngd:PeakMinesMember
1159 Cerro San Pedro [Member] Member ngd:CerroSanPedroMember
1160 Rainy River [Member] Member ngd:RainyRiverMember
1161 Blackwater [Member] Member ngd:BlackwaterMember
1162 Disclosure of reclamation and closure cost obligations [Line Items] LineItems ngd:DisclosureOfReclamationAndClosureCostObligationsLineItems
1163 Beginning Balance Concept (Monetary) As Of Credit ifrs-full:ProvisionForDecommissioningRestorationAndRehabilitationCosts
1164 Reclamation and closure costs paid Concept (Monetary) For Period Credit ngd:PaymentsForReclamationAndClosureCosts
1165 Unwinding of discount Concept (Monetary) For Period Debit ifrs-full:ExpenseDueToUnwindingOfDiscountOnProvisions
1166 Revisions to expected cash flows Concept (Monetary) For Period Debit ngd:RevisionsToExpectedCashFlowsRelatedToReclamationObligation
1167 Foreign exchange movement Concept (Monetary) For Period Credit ngd:GainsLossesOnForeignExchangeMovementRelatedToReclamationObligation
1168 Less: amounts reclassified as held for sale Concept (Monetary) For Period Debit ngd:AmountsReclassifiedAsHeldForSale
1169 Ending Balance Concept (Monetary) As Of Credit ifrs-full:ProvisionForDecommissioningRestorationAndRehabilitationCosts
1170 Less: current portion of closure costs (Note 5) Concept (Monetary) As Of Credit ifrs-full:ShorttermProvisionForDecommissioningRestorationAndRehabilitationCosts
1171 Non-current portion of closure costs Concept (Monetary) As Of Credit ifrs-full:LongtermProvisionForDecommissioningRestorationAndRehabilitationCosts
1172 1106 - Disclosure - RECLAMATION AND CLOSURE COST OBLIGATIONS (Details Textual) Network

*

*

 http://www.newgold.com/role/ReclamationAndClosureCostObligationsDetailsTextual
1173 Disclosure of reclamation and closure cost obligations [Table] Table

*

*

 ngd:DisclosureOfReclamationAndClosureCostObligationsTable
1174 Range [Axis] Axis ifrs-full:RangeAxis
1175 Ranges [member] Member ifrs-full:RangesMember
1176 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
1177 Top of range [member] Member ifrs-full:TopOfRangeMember
1178 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1179 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1180 Letters Of Credit [Member] Member ngd:LettersOfCreditMember
1181 Subsegments [Axis] Axis us-gaap:SubsegmentsAxis
1182 Subsegments [Domain] Member us-gaap:SubsegmentsDomain
1183 Disclosure of reclamation and closure cost obligations [Line Items] LineItems ngd:DisclosureOfReclamationAndClosureCostObligationsLineItems
1184 Discount rate applied to cash flow projections Concept (Percent) As Of ifrs-full:DescriptionOfDiscountRatesAppliedToCashFlowProjections
1185 Exposure to credit risk on loan commitments and financial guarantee contracts Concept (Monetary) As Of Credit ifrs-full:ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts
1186 Percentage of annual fees of the value of outstanding letters of credit Concept (Percent) As Of ngd:PercentageOfAnnualFeesOfValueOfOutstandingLettersOfCredit
1187 Description of inflation rates applied to cash flow projections Concept (Percent) As Of ngd:DescriptionOfInflationRatesAppliedToCashFlowProjections
1188 1107 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION (Details) Network

*

*

 http://www.newgold.com/role/SupplementalCashFlowInformationDetails
1189 Implied Table Table

*

*

 implied:Table
1190 Change In Non-Cash Operating Working Capital [Abstract] Abstract ngd:ChangeInNoncashOperatingWorkingCapitalAbstract
1191 Trade and other receivables Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables
1192 Inventories Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInInventories
1193 Prepaid expenses and other Concept (Monetary) For Period Debit ngd:AdjustmentsForIncreaseDecreaseInPrepaidExpensesAndOther
1194 Trade and other payables Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables
1195 Total change in non-cash operating working capital Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInWorkingCapital
1196 OTHER NON-CASH ADJUSTMENTS Abstract ngd:OtherAdjustmentsForNoncashItemsAbstract
1197 Unrealized gain on share purchase warrants Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnChangeInFairValueOfDerivatives
1198 Unrealized (gain) loss on concentrate contracts Concept (Monetary) For Period Debit ngd:UnrealizedLossesGainsOnConcentrateContracts
1199 Equity settled share-based payment expense Concept (Monetary) For Period Debit ifrs-full:ExpenseFromEquitysettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets
1200 Loss (gain) on disposal of assets Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnDisposalsOfOtherNoncurrentAssets
1201 Settlement and (gain) loss on revaluation of gold price option contracts Concept (Monetary) For Period Debit ngd:LossGainOnRevaluationOfGoldPriceOptionContracts
1202 Unrealized (gain) loss on gold stream obligation Concept (Monetary) For Period Debit ngd:UnrealizedLossOnGoldStreamObligation
1203 Unrealized (gain) loss on copper forward contracts and copper price option contracts Concept (Monetary) For Period Debit ngd:UnrealizedLossOnCopperForwardContractsAndCopperPriceOptionContracts
1204 Inventory write-downs Concept (Monetary) For Period ifrs-full:InventoryWritedown2011
1205 Revaluation of CSP's reclamation and closure cost obligation Concept (Monetary) For Period Debit ngd:PaymentsForReclamationAndClosureCostsObligation
1206 Other non-cash adjustments Concept (Monetary) For Period Debit ngd:AdjustmentsForNoncashItemsClassifiedAsOther
1207 Total other non-cash adjustments Concept (Monetary) For Period Debit ifrs-full:OtherAdjustmentsForNoncashItems
1208 1108 - Disclosure - SEGMENTED INFORMATION (Details) Network

*

*

 http://www.newgold.com/role/SegmentedInformationDetails
1209 Segmented information [Table] Table

*

*

 ngd:SegmentedInformationTable
1210 Segments [axis] Axis ifrs-full:SegmentsAxis
1211 Segments [member] Member ifrs-full:SegmentsMember
1212 Corporate [Member] Member ngd:CorporatesMember
1213 Other [Member] Member ngd:OtherSegmentMember
1214 New Afton [Member] Member ngd:NewAftonMember
1215 Cerro San Pedro [Member] Member ngd:CerroSanPedroMember
1216 Rainy River [Member] Member ngd:RainyRiverMember
1217 Discontinued operations [member] Member ifrs-full:DiscontinuedOperationsMember
1218 Segmented information [Line Items] LineItems ngd:SegmentedInformationLineItems
1219 OPERATING SEGMENT RESULTS Abstract ngd:OperatingSegmentResultsAbstract
1220 Gold revenues Concept (Monetary) For Period Credit ifrs-full:RevenueFromSaleOfGold
1221 Copper revenues Concept (Monetary) For Period Credit ifrs-full:RevenueFromSaleOfCopper
1222 Silver revenues Concept (Monetary) For Period Credit ifrs-full:RevenueFromSaleOfSilver
1223 Total revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
1224 Operating expenses Concept (Monetary) For Period Debit ifrs-full:OperatingExpense
1225 Depreciation and depletion Concept (Monetary) For Period Debit ifrs-full:DepreciationAndAmortisationExpense
1226 Revenue less cost of goods sold Concept (Monetary) For Period Credit ifrs-full:GrossProfit
1227 Corporate administration Concept (Monetary) For Period Debit ifrs-full:AdministrativeExpense
1228 Corporate restructuring Concept (Monetary) For Period Debit ifrs-full:ExpenseOfRestructuringActivities
1229 Share-based payment expenses Concept (Monetary) For Period Debit ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees
1230 Asset Impairment Concept (Monetary) For Period Debit ifrs-full:ImpairmentLoss
1231 Exploration and business development Concept (Monetary) For Period Debit ifrs-full:ExpenseArisingFromExplorationForAndEvaluationOfMineralResources
1232 Income (loss) from operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
1233 Finance income Concept (Monetary) For Period Credit ifrs-full:FinanceIncome
1234 Finance costs Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
1235 Other gains (losses) Concept (Monetary) For Period Credit ifrs-full:OtherGainsLosses
1236 (Loss) earnings before taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
1237 Income tax recovery (expense) Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1238 (Loss) earnings from continuing operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromContinuingOperations
1239 Loss from discontinued operations, net of tax Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromDiscontinuedOperations
1240 Net (loss) earnings Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
1241 1109 - Disclosure - SEGMENTED INFORMATION (Details 1) Network

*

*

 http://www.newgold.com/role/SegmentedInformationDetails1
1242 Segmented information [Table] Table

*

*

 ngd:SegmentedInformationTable
1243 Segments [axis] Axis ifrs-full:SegmentsAxis
1244 Segments [member] Member ifrs-full:SegmentsMember
1245 New Afton [Member] Member ngd:NewAftonMember
1246 Mesquite [Member] Member ngd:MesquiteMember
1247 Cerro San Pedro [Member] Member ngd:CerroSanPedroMember
1248 Rainy River [Member] Member ngd:RainyRiverMember
1249 Blackwater [Member] Member ngd:BlackwaterMember
1250 Other [Member] Member ngd:OtherMember
1251 Segmented information [Line Items] LineItems ngd:SegmentedInformationLineItems
1252 SEGMENTED ASSETS AND LIABILITIES Abstract ngd:SegmentedAssetsAndLiabilitiesAbstract
1253 Assets Concept (Monetary) As Of Debit ngd:AssetsBeforeNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale
1254 Liabilities Concept (Monetary) As Of Credit ngd:LiabilitiesExcludingLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale
1255 Capital expenditure Concept (Monetary) For Period Credit ifrs-full:PurchaseOfMiningAssets
1256 Assets held for sale Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAvailableforsale
1257 Liabilities held for sale Concept (Monetary) As Of Credit ngd:FinancialLiabilitiesHeldForSale
1258 Capital expenditures held for sale Concept (Monetary) For Period Debit ngd:CapitalExpendituresDiscontinuedOperations
1259 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
1260 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
1261 Total capital expenditures Concept (Monetary) For Period Debit ngd:TotalCapitalExpenditures
1262 1110 - Disclosure - SEGMENTED INFORMATION (Details 2) Network

*

*

 http://www.newgold.com/role/SegmentedInformationDetails2
1263 Segmented information [Table] Table

*

*

 ngd:SegmentedInformationTable
1264 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1265 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1266 Canada [Member] Member ngd:CanadaMember
1267 United States [Member] Member ngd:UnitedStatesMember
1268 Australia [Member] Member ngd:AustraliaMember
1269 Mexico [Member] Member ngd:MexicoMember
1270 Other [Member] Member ngd:TotalGeographicalAreaMember
1271 Segmented information [Line Items] LineItems ngd:SegmentedInformationLineItems
1272 REVENUE AND NON-CURRENT ASSETS BY LOCATION Abstract ngd:RevenueAndNoncurrentAssetsByLocationAbstract
1273 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
1274 Non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
1275 1111 - Disclosure - SEGMENTED INFORMATION (Details 3) Network

*

*

 http://www.newgold.com/role/SegmentedInformationDetails3
1276 Segmented information [Table] Table

*

*

 ngd:SegmentedInformationTable
1277 Segments [axis] Axis ifrs-full:SegmentsAxis
1278 Segments [member] Member ifrs-full:SegmentsMember
1279 Cerro San Pedro [Member] Member ngd:CerroSanPedroMember
1280 New Afton [Member] Member ngd:NewAftonMember
1281 Rainy River [Member] Member ngd:RainyRiverMember
1282 Customer [Axis] Axis ifrs-full:MajorCustomersAxis
1283 Customers [member] Member ifrs-full:MajorCustomersMember
1284 Customers one [Member] Member ngd:CustomersOneMember
1285 Customers two [Member] Member ngd:CustomersTwoMember
1286 Customers three [Member] Member ngd:CustomersThreeMember
1287 Customers [Member] Member ngd:CustomerMember
1288 Segmented information [Line Items] LineItems ngd:SegmentedInformationLineItems
1289 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
1290 1112 - Disclosure - SEGMENTED INFORMATION (Details Textual) Network

*

*

 http://www.newgold.com/role/SegmentedInformationDetailsTextual
1291 Segmented information [Table] Table

*

*

 ngd:SegmentedInformationTable
1292 Customer [Axis] Axis ifrs-full:MajorCustomersAxis
1293 Customers [member] Member ifrs-full:MajorCustomersMember
1294 Major Customer [Member] Member ngd:MajorCustomerMember
1295 Segmented information [Line Items] LineItems ngd:SegmentedInformationLineItems
1296 Percentage of entity's revenue Concept (Percent) For Period ifrs-full:PercentageOfEntitysRevenue
1297 Severance and Other Termination Benefits Concept (Monetary) For Period Debit ngd:SeveranceAndOtherTerminationBenefits
1298 1113 - Disclosure - CAPITAL RISK MANAGEMENT (Details) Network

*

*

 http://www.newgold.com/role/CapitalRiskManagementDetails
1299 Implied Table Table

*

*

 implied:Table
1300 Capital risk management [Abstract] Abstract ngd:CapitalRiskManagementAbstract
1301 Equity Concept (Monetary) As Of Credit ifrs-full:Equity
1302 Long-term debt Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
1303 Gross Capital Concept (Monetary) As Of Credit ngd:GrossCapital
1304 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1305 Total Concept (Monetary) As Of Credit ngd:NetCapitals
1306 1114 - Disclosure - FINANCIAL RISK MANAGEMENT (Details) Network

*

*

 http://www.newgold.com/role/FinancialRiskManagementDetails
1307 Disclosure of credit risk exposure [table] Table

*

*

 ifrs-full:DisclosureOfCreditRiskExposureTable
1308 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1309 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1310 Cash and cash equivalents Member ngd:CashAndCashEquivalentMember
1311 Trade receivables Member ifrs-full:TradeReceivablesMember
1312 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1313 Risks [member] Member ifrs-full:TypesOfRisksMember
1314 Credit Risk [Member] Member ifrs-full:CreditRiskMember
1315 Disclosure of credit risk exposure [line items] LineItems ifrs-full:DisclosureOfCreditRiskExposureLineItems
1316 CREDIT RISK EXPOSURE Abstract ngd:CreditRiskExposureAbstract
1317 Total financial instrument exposure to credit risk Concept (Monetary) As Of ifrs-full:MaximumExposureToCreditRisk
1318 1115 - Disclosure - FINANCIAL RISK MANAGEMENT (Details 1) Network

*

*

 http://www.newgold.com/role/FinancialRiskManagementDetails1
1319 Aging trade and other receivables [Table] Table

*

*

 ngd:AgingTradeAndOtherReceivablesTable
1320 Past due status [axis] Axis ifrs-full:PastDueStatusAxis
1321 Past due status [member] Member ifrs-full:PastDueStatusMember
1322 0-30 days Member ngd:WithinOneMonthMember
1323 31-60 days Member ifrs-full:LaterThanOneMonthAndNotLaterThanTwoMonthsMember
1324 61-90 days Member ifrs-full:LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember
1325 91-120 days Member ngd:LaterThanThreeMonthAndNotLaterThanFourMonthsMember
1326 Over 120 days Member ngd:LaterThanFourMonthMember
1327 Segments [axis] Axis ifrs-full:SegmentsAxis
1328 Segments [member] Member ifrs-full:SegmentsMember
1329 New Afton Member ngd:NewAftonMember
1330 Mesquite Member ngd:MesquiteMember
1331 Cerro San Pedro Member ngd:CerroSanPedroMember
1332 Rainy River Member ngd:RainyRiverMember
1333 Blackwater Member ngd:BlackwaterMember
1334 Corporate Member ngd:CorporatesMember
1335 Aging trade and other receivables [Line Items] LineItems ngd:AgingTradeAndOtherReceivablesLineItems
1336 AGING TRADE AND OTHER RECEIVABLES Abstract ngd:AgingTradeAndOtherReceivablesAbstract
1337 Trade and other current receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
1338 1116 - Disclosure - FINANCIAL RISK MANAGEMENT (Details 2) Network

*

*

 http://www.newgold.com/role/FinancialRiskManagementDetails2
1339 Debt commitments [Table] Table

*

*

 ngd:DebtCommitmentsTable
1340 Maturity [axis] Axis ifrs-full:MaturityAxis
1341 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1342 Less than 1 year Member ifrs-full:NotLaterThanOneYearMember
1343 1-3 years Member ifrs-full:LaterThanOneYearAndNotLaterThanThreeYearsMember
1344 4-5 years Member ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
1345 More than 5 years Member ifrs-full:LaterThanFiveYearsMember
1346 Assets and liabilities [axis] Axis ifrs-full:AssetsAndLiabilitiesAxis
1347 Assets and liabilities [member] Member ifrs-full:AssetsAndLiabilitiesMember
1348 Payable Excluding Current Portion Of Gold Stream Obligation [Member] Member ngd:AccountsPayableExcludingCurrentPortionOfGoldStreamObligationMember
1349 Principle of Long Term Debt [Member] Member ngd:PrincipleOfLongTermDebtMember
1350 Debt commitments [Line Items] LineItems ngd:DebtCommitmentsLineItems
1351 DEBT COMMITMENTS Abstract ngd:DebtCommitmentsAbstract
1352 Trade and other payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
1353 Long-term debt Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
1354 Interest payable on long-term debt Concept (Monetary) As Of Credit ifrs-full:NoncurrentInterestPayable
1355 Gold stream obligation Concept (Monetary) As Of Credit ifrs-full:NoncurrentFinancialLiabilities
1356 Total debt commitments Concept (Monetary) As Of Credit ifrs-full:Borrowings
1357 1117 - Disclosure - FINANCIAL RISK MANAGEMENT (Details 3) Network

*

*

 http://www.newgold.com/role/FinancialRiskManagementDetails3
1358 Disclosure of detailed information about financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfFinancialInstrumentsTable
1359 Currency risk [Axis] Axis ngd:CurrencyRiskAxis
1360 Currency risk [Domain] Member ngd:CurrencyRiskDomain
1361 CAD [Member] Member ngd:CadMember
1362 AUD [Member] Member ngd:AudMember
1363 MXN [Member] Member ngd:MxnMember
1364 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1365 Risks [member] Member ifrs-full:TypesOfRisksMember
1366 Currency risk [member] Member ifrs-full:CurrencyRiskMember
1367 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1368 Exposure to currency risk Abstract ngd:ExposureToCurrencyRiskAbstract
1369 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1370 Trade and other receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherReceivables
1371 Income tax receivable Concept (Monetary) As Of Credit ngd:IncomeTaxPayableReceivable
1372 Deferred tax asset Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
1373 Trade and other payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherPayables
1374 Deferred tax liability Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
1375 Reclamation and closure cost obligations Concept (Monetary) As Of Credit ifrs-full:ProvisionForDecommissioningRestorationAndRehabilitationCosts
1376 Performance share units and restricted share units Concept (Monetary) As Of Credit ngd:CashSettledLiabilityOfShareBasedPayments
1377 Total exposure to currency risk Concept (Monetary) As Of ifrs-full:MaximumExposureToCreditRisk
1378 1118 - Disclosure - FINANCIAL RISK MANAGEMENT (Details 4) Network

*

*

 http://www.newgold.com/role/FinancialRiskManagementDetails4
1379 Disclosure of detailed information about financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfFinancialInstrumentsTable
1380 Currency risk [Axis] Axis ngd:CurrencyRiskAxis
1381 Currency risk [Domain] Member ngd:CurrencyRiskDomain
1382 Canadian dollar Member ngd:CadMember
1383 Australian dollar Member ngd:AudMember
1384 Mexican peso Member ngd:MxnMember
1385 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1386 Impact of 10% change in foreign exchange rates Concept (Monetary) For Period Credit ngd:ImpactDueTo10PercentChangeInDomesticCurrencyRates
1387 1119 - Disclosure - FINANCIAL RISK MANAGEMENT (Details 5) Network

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*

 http://www.newgold.com/role/FinancialRiskManagementDetails5
1388 Financial risk management [Table] Table

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*

 ngd:FinancialRiskManagementTable
1389 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1390 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1391 Gold price Member ngd:Gold1Member
1392 Copper price Member ngd:CopperMember
1393 Fuel and electricity price Member ngd:FuelsAndElectricityMember
1394 Antidilutive Security [Axis] Axis ngd:AntidilutiveSecurityAxis
1395 Antidilutive Security [Domain] Member ngd:AntidilutiveSecurityDomain
1396 Types of financial liabilities [axis] Axis ifrs-full:TypesOfFinancialLiabilitiesAxis
1397 Financial liabilities, type [member] Member ifrs-full:FinancialLiabilitiesTypeMember
1398 Financial risk management [Line Items] LineItems ngd:FinancialRiskManagementLineItems
1399 Impact on net earnings due to 10 % change in price Concept (Monetary) For Period Credit ngd:ImpactOnNetEarningsDueTo10PercentChangeInPrice
1400 Impact on other comprehensive income due to 10 % change in price Concept (Monetary) For Period Credit ngd:ImpactOnOtherComprehensiveIncomeDueTo10PercentChangeInPrice
1401 1120 - Disclosure - FINANCIAL RISK MANAGEMENT (Details Textual) Network

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*

 http://www.newgold.com/role/FinancialRiskManagementDetailsTextual
1402 Financial risk management [Table] Table

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*

 ngd:FinancialRiskManagementTable
1403 Basis of change [Axis] Axis ngd:BasisOfChangeAxis
1404 Basis of change [Domain] Member ngd:BasisOfChangeDomain
1405 At 1 % change [Member] Member ngd:At1PercentChangeMember
1406 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1407 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1408 Range [Axis] Axis ifrs-full:RangeAxis
1409 Ranges [member] Member ifrs-full:RangesMember
1410 Financial risk management [Line Items] LineItems ngd:FinancialRiskManagementLineItems
1411 Description of functional currency Concept (Text/String) For Period ifrs-full:DescriptionOfFunctionalCurrency
1412 Percentage of gains losses on exchange differences on translation recognised in profit or loss Concept (Percent) For Period ngd:PercentageOfGainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
1413 Interest paid, classified as operating activities Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsOperatingActivities
1414 Interest income Concept (Monetary) For Period Credit ifrs-full:RevenueFromInterest
1415 Percentage of changes in differences on commodity price recognised in net earnings and other comprehensive income Concept (Percent) For Period ngd:PercentageOfChangesInDifferencesOnCommodityPriceRecognisedInNetEarningsAndOtherComprehensiveIncome
1416 1121 - Disclosure - FAIR VALUE MEASUREMENT (Details) Network

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*

 http://www.newgold.com/role/FairValueMeasurementDetails
1417 Fair value measurement [Table] Table

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*

 ngd:FairValueMeasurementTable
1418 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
1419 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
1420 Financial assets at amortised cost, category [member] Member ifrs-full:FinancialAssetsAtAmortisedCostCategoryMember
1421 Financial assets at fair value through profit or loss, category [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
1422 Categories of financial liabilities [axis] Axis ifrs-full:CategoriesOfFinancialLiabilitiesAxis
1423 Financial liabilities, category [member] Member ifrs-full:FinancialLiabilitiesCategoryMember
1424 Financial liabilities at amortised cost, category [member] Member ifrs-full:FinancialLiabilitiesAtAmortisedCostCategoryMember
1425 Financial liabilities at fair value through profit or loss, category [member] Member ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember
1426 Levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1427 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
1428 Level 2 of fair value hierarchy [member] Member ifrs-full:Level2OfFairValueHierarchyMember
1429 Level 1 of fair value hierarchy [member] Member ifrs-full:Level1OfFairValueHierarchyMember
1430 Level 3 of fair value hierarchy [member] Member ifrs-full:Level3OfFairValueHierarchyMember
1431 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1432 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
1433 Perfomance share units [Member] Member ngd:PerfomanceShareUnitsMember
1434 Restricted share units [Member] Member ngd:RestrictedShareUnitsMember
1435 Types of contracts [axis] Axis ifrs-full:TypesOfContractsAxis
1436 Types of contracts [member] Member ifrs-full:TypesOfContractsMember
1437 Provisionally priced contracts [Member] Member ngd:ProvisionallyPricedContractsMember
1438 Gold and copper swap contracts [Member] Member ngd:GoldAndCopperSwapContractsMember
1439 Gold price option contracts [Member] Member ngd:GoldPriceOptionsMember
1440 Copper price option contracts [Member] Member ngd:CopperPriceOptionContractsMember
1441 Types of financial assets [axis] Axis ifrs-full:TypesOfFinancialAssetsAxis
1442 Financial assets, type [member] Member ifrs-full:FinancialAssetsTypeMember
1443 Cash and cash equivalent [Member] Member ngd:CashAndCashEquivalentMember
1444 Trade and other receivables [Member] Member ngd:TradeAndOtherReceivablesMember
1445 Investment [Member] Member ngd:InvestmentMember
1446 Proceeds due from income tax refunds at Mesquite [Member] Member ngd:ProceedsDueFromIncomeTaxRefundsAtMesquiteMember
1447 Types of financial liabilities [axis] Axis ifrs-full:TypesOfFinancialLiabilitiesAxis
1448 Financial liabilities, type [member] Member ifrs-full:FinancialLiabilitiesTypeMember
1449 Long-term debts [Member] Member ngd:LongtermDebtsMember
1450 Gold stream obligation [Member] Member ngd:GoldStreamObligationMember
1451 Fair value measurement [Line Items] LineItems ngd:FairValueMeasurementLineItems
1452 FINANCIAL ASSETS Abstract ifrs-full:CategoriesOfFinancialAssetsAbstract
1453 Financial assets, at fair value Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValue
1454 FINANCIAL LIABILITIES Abstract ifrs-full:CategoriesOfFinancialLiabilitiesAbstract
1455 Financial liabilities, at fair value Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValue
1456 1122 - Disclosure - FAIR VALUE MEASUREMENT (Details 1) Network

*

*

 http://www.newgold.com/role/FairValueMeasurementDetails1
1457 Fair value measurement [Table] Table

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*

 ngd:FairValueMeasurementTable
1458 Types of financial assets [axis] Axis ifrs-full:TypesOfFinancialAssetsAxis
1459 Financial assets, type [member] Member ifrs-full:FinancialAssetsTypeMember
1460 Cash and cash equivalents [Member] Member ngd:CashAndCashEquivalentMember
1461 Trade and other receivables [Member] Member ngd:TradeAndOtherReceivablesMember
1462 Provisionally priced contracts [Member] Member ngd:ProvisionallyPricedContractsMember
1463 Gold and copper swap contracts [Member] Member ngd:GoldAndCopperSwapContractsMember
1464 Investments [Member] Member ngd:InvestmentMember
1465 Proceeds due from income tax refunds at Mesquite [Member] Member ngd:ProceedsDueFromIncomeTaxRefundsAtMesquiteMember
1466 Types of financial liabilities [axis] Axis ifrs-full:TypesOfFinancialLiabilitiesAxis
1467 Financial liabilities, type [member] Member ifrs-full:FinancialLiabilitiesTypeMember
1468 Trade and other payables [Member] Member ngd:TradeAndOtherPayablesMember
1469 Long-term debt [Member] Member ngd:LongtermDebtsMember
1470 Gold stream obligation [Member] Member ngd:GoldStreamObligationMember
1471 Perfomance share units [Member] Member ngd:PerfomanceShareUnitsMember
1472 Restricted share units [Member] Member ngd:RestrictedShareUnitsMember
1473 Copper price option contracts [Member] Member ngd:CopperPriceOptionContractsMember
1474 Gold price option contracts [Member] Member ngd:GoldPriceOptionContractsMember
1475 Fair value measurement [Line Items] LineItems ngd:FairValueMeasurementLineItems
1476 Financial Assets [Abstract] Abstract ngd:FinancialAssetsAbstract
1477 Carrying value Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
1478 Fair value Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValue
1479 Financial Liabilities [Abstract] Abstract ngd:FinancialLiabilitiesAbstract
1480 Carrying value Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilities
1481 Fair value Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValue
1482 1123 - Disclosure - OPERATING LEASES (Details) Network

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 http://www.newgold.com/role/OperatingLeasesDetails
1483 Operating leases [Table] Table

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*

 ngd:OperatingLeasesTable
1484 Maturity [axis] Axis ifrs-full:MaturityAxis
1485 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1486 Less than 1 year Member ifrs-full:NotLaterThanOneYearMember
1487 Between 1 and 5 years Member ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
1488 More than 5 years Member ifrs-full:LaterThanFiveYearsMember
1489 Operating leases [Line Items] LineItems ngd:OperatingLeasesLineItems
1490 Non-cancellable operating lease rentals Concept (Monetary) As Of Credit ifrs-full:MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease
1491 1124 - Disclosure - OPERATING LEASES (Details Textual) Network

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 http://www.newgold.com/role/OperatingLeasesDetailsTextual
1492 Implied Table Table

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*

 implied:Table
1493 Operating leases [Abstract] Abstract ngd:OperatingLeasesAbstract
1494 Minimum operating lease payments recognised as expense Concept (Monetary) For Period Debit ifrs-full:MinimumOperatingLeasePayments
1495 1125 - Disclosure - COMPENSATION OF KEY MANAGEMENT PERSONNEL (Details) Network

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 http://www.newgold.com/role/CompensationOfKeyManagementPersonnelDetails
1496 Implied Table Table

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*

 implied:Table
1497 Compensation of directors and other key management personnel [Abstract] Abstract ngd:CompensationOfDirectorsAndOtherKeyManagementPersonnelAbstract
1498 Short-term benefits Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits
1499 Share-based payments Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationSharebasedPayment
1500 Termination benefits Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationTerminationBenefits
1501 Total key management personnel remuneration Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensation
1502 1126 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details Textual) Network

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 http://www.newgold.com/role/CommitmentsAndContingenciesDetailsTextual
1503 Contractual commitments [Table] Table

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*

 ngd:ContractualCommitmentsTable
1504 Future due status [Axis] Axis ngd:FutureDueStatusAxis
1505 Future due status [Domain] Member ngd:FutureDueStatusDomain
1506 Due over next twelve months [Member] Member ngd:DueOverNextTwelveMonthsMember
1507 Contractual commitments [Line Items] LineItems ngd:ContractualCommitmentsLineItems
1508 Contractual capital commitments Concept (Monetary) As Of Credit ifrs-full:ContractualCapitalCommitments

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