First Majestic Silver Corp (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line Label Object Class Period Type Balance Report ElementName
1 000 - Document - Document And Entity Information Network

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http://www.firstmajestic.com/20181231/role/statement-document-and-entity-information
2 Document Information [Table] Table

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dei:DocumentInformationTable
3 Legal Entity [Axis] Axis dei:LegalEntityAxis
4 Entity [Domain] Member dei:EntityDomain
5 Document Information [Line Items] LineItems dei:DocumentInformationLineItems
6 Entity Registrant Name Concept (Text/String) For Period dei:EntityRegistrantName
7 Entity Central Index Key Concept (CIK Number) For Period dei:EntityCentralIndexKey
8 Trading Symbol Concept (Text/String) For Period dei:TradingSymbol
9 Current Fiscal Year End Date Concept (Month/Day) For Period dei:CurrentFiscalYearEndDate
10 Entity Filer Category Concept (Filer Category) For Period dei:EntityFilerCategory
11 Entity Current Reporting Status Concept (Yes/No) For Period dei:EntityCurrentReportingStatus
12 Entity Voluntary Filers Concept (Yes/No) For Period dei:EntityVoluntaryFilers
13 Entity Well-known Seasoned Issuer Concept (Yes/No) For Period dei:EntityWellKnownSeasonedIssuer
14 Entity Emerging Growth Company Concept (Yes/No) For Period dei:EntityEmergingGrowthCompany
15 Entity Small Business Concept (Yes/No) For Period dei:EntitySmallBusiness
16 Entity Common Stock, Shares Outstanding (in shares) Concept (Shares) As Of dei:EntityCommonStockSharesOutstanding
17 Document Type Concept (Submission Type) For Period dei:DocumentType
18 Document Period End Date Concept (Date) For Period dei:DocumentPeriodEndDate
19 Document Fiscal Year Focus Concept (Year) For Period dei:DocumentFiscalYearFocus
20 Document Fiscal Period Focus Concept (Fiscal Period) For Period dei:DocumentFiscalPeriodFocus
21 Amendment Flag Concept (Yes/No) For Period dei:AmendmentFlag
22 001 - Statement - Consolidated Statements of (Loss) Earnings Network

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http://www.firstmajestic.com/20181231/role/statement-consolidated-statements-of-loss-earnings
23 Statement Table [Table] Table

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ag:StatementTable
24 Legal Entity [Axis] Axis dei:LegalEntityAxis
25 Entity [Domain] Member dei:EntityDomain
26 Statement Line Items [Line Items] LineItems ag:StatementLineItems
27 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
28 Mine operating costs Abstract ag:MineOperatingCostsAbstract
29 Cost of sales Concept (Monetary) For Period Debit ifrs-full:CostOfSales
30 Depletion, depreciation, and amortization Concept (Monetary) For Period Debit ifrs-full:DepreciationAndAmortisationExpense
31 Concept (Monetary) For Period Debit ag:ExpenseArisingFromExplorationEvaluationProductionAndExtractiveCostsOfMineralResources
32 Mine operating (loss) earnings Concept (Monetary) For Period Credit ag:MineOperatingEarnings
33 General and administrative expenses Concept (Monetary) For Period Debit ifrs-full:SellingGeneralAndAdministrativeExpense
34 Share-based payments Concept (Monetary) For Period Debit ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees
35 Impairment of non-current assets Concept (Monetary) For Period Debit ifrs-full:ImpairmentLoss
36 Mine care and maintenance costs Concept (Monetary) For Period Debit ag:MineCareAndMaintenanceCosts
37 Acquisition costs Concept (Monetary) For Period Debit ifrs-full:AcquisitionrelatedCostsForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination
38 Foreign exchange loss (gain) Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationBeforeTax
39 Operating loss Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
40 Investment and other loss Concept (Monetary) For Period Credit ag:InvestmentAndOtherIncomeLoss
41 Finance costs Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
42 Loss before income taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
43 Income taxes Abstract ifrs-full:IncomeTaxesPaidRefundAbstract
44 Current income tax expense Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncome
45 Deferred income tax recovery Concept (Monetary) For Period Debit ifrs-full:DeferredTaxExpenseIncome
46 Total tax expense (income) Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
47 Net loss for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
48 Loss per common share Abstract ifrs-full:EarningsPerShareAbstract
49 Basic (in dollars per share) Concept (Share) For Period ifrs-full:BasicEarningsLossPerShare
50 Diluted (in dollars per share) Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShare
51 Weighted average shares outstanding Abstract ifrs-full:WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract
52 Basic (in shares) Concept (Shares) For Period ifrs-full:WeightedAverageShares
53 Diluted (in shares) Concept (Shares) For Period ifrs-full:AdjustedWeightedAverageShares
54 002 - Statement - Consolidated Statements of Comprehensive (Loss) Income Network

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http://www.firstmajestic.com/20181231/role/statement-consolidated-statements-of-comprehensive-loss-income
55 Statement Table [Table] Table

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ag:StatementTable
56 Legal Entity [Axis] Axis dei:LegalEntityAxis
57 Entity [Domain] Member dei:EntityDomain
58 Statement Line Items [Line Items] LineItems ag:StatementLineItems
59 Net loss for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
60 Items that will not be subsequently reclassified to profit or loss: Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract
61 Unrealized loss on fair value of investments in marketable securities Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxAvailableforsaleFinancialAssets
62 Remeasurement of retirement benefit plan Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
63 Other comprehensive income (loss) Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
64 Total comprehensive loss Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
65 003 - Statement - Consolidated Statements of Cash Flows Network

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http://www.firstmajestic.com/20181231/role/statement-consolidated-statements-of-cash-flows
66 Statement Table [Table] Table

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ag:StatementTable
67 Legal Entity [Axis] Axis dei:LegalEntityAxis
68 Entity [Domain] Member dei:EntityDomain
69 Statement Line Items [Line Items] LineItems ag:StatementLineItems
70 Operating Activities Abstract ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
71 Net loss for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
72 Adjustments for: Abstract ifrs-full:AdjustmentsForReconcileProfitLossAbstract
73 Depletion, depreciation and amortization Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDepreciationAndAmortisationExpense
74 Share-based payments Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForSharebasedPayments
75 Impairment of non-current assets Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
76 Income tax recovery Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncomeTaxExpense
77 Finance costs Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForFinanceCosts
78 Acquisition costs Concept (Monetary) For Period Debit ag:AdjustmetnsForAcquisitionCosts
79 Other Concept (Monetary) For Period Debit ifrs-full:OtherAdjustmentsForNoncashItems
80 Operating cash flows before movements in working capital and taxes Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital
81 Net change in non-cash working capital items Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInWorkingCapital
82 Income taxes paid Concept (Monetary) For Period Credit ifrs-full:IncomeTaxesPaidClassifiedAsOperatingActivities
83 Cash generated by operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
84 Investing Activities Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
85 Expenditures on mining interests Concept (Monetary) For Period Credit ifrs-full:PurchaseOfMiningAssets
86 Acquisition of property, plant and equipment Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
87 Deposits paid for acquisition of non-current assets Concept (Monetary) For Period Credit ifrs-full:PurchaseOfOtherLongtermAssetsClassifiedAsInvestingActivities
88 Purchase of marketable securities and silver futures derivatives Concept (Monetary) For Period Credit ifrs-full:PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities
89 Primero acquisition costs, net of cash acquired Concept (Monetary) For Period Credit ag:PaymentsForAcquisitionCostsNetOfCashAcquired
90 Cash spent on settlement of derivatives Concept (Monetary) For Period Credit ag:PaymentsForSettlementOfDerivatives
91 Cash used in investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
92 Financing Activities Abstract ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
93 Proceeds from exercise of stock options Concept (Monetary) For Period Debit ifrs-full:ProceedsFromExerciseOfOptions
94 Net proceeds from convertible debentures Concept (Monetary) For Period Debit ag:ProceedsFromConvertibleDebenturesClassifiedAsFinancingActivities
95 Net proceeds from debt facilities Concept (Monetary) For Period Debit ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
96 Repayment of debt facilities Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
97 Repayment of Scotia debt facilities Concept (Monetary) For Period Credit ag:RepaymentOfScotiaDebtFacilities
98 Repayment of Primero's debt facilities Concept (Monetary) For Period Credit ag:RepaymentOfPrimerosDebtFacilities
99 Proceeds from equipment financing obligations Concept (Monetary) For Period Debit ag:ProceedsFromEquipmentFinancingObligations
100 Repayment of equipment financing obligations Concept (Monetary) For Period Credit ifrs-full:CashOutflowForLeases
101 Finance costs paid Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsFinancingActivities
102 Shares repurchased and cancelled Concept (Monetary) For Period Credit ag:CashOutflowForSharesRepurchasedAndCancelled
103 Cash provided by (used in) financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
104 Effect of exchange rate on cash and cash equivalents held in foreign currencies Concept (Monetary) For Period Debit ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
105 Decrease in cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalents
106 Cash and cash equivalents, beginning of the year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
107 Cash and cash equivalents, end of year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
108 Cash Concept (Monetary) As Of Debit ifrs-full:Cash
109 Short-term investments Concept (Monetary) As Of Debit ifrs-full:ShorttermInvestmentsClassifiedAsCashEquivalents
110 Cash and cash equivalents, end of year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
111 Supplemental cash flow information Concept (Monetary) For Period ag:SupplementalCashFlowInformation
112 004 - Statement - Consolidated Statements of Financial Position Network

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http://www.firstmajestic.com/20181231/role/statement-consolidated-statements-of-financial-position
113 Statement Table [Table] Table

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ag:StatementTable
114 Legal Entity [Axis] Axis dei:LegalEntityAxis
115 Entity [Domain] Member dei:EntityDomain
116 Statement Line Items [Line Items] LineItems ag:StatementLineItems
117 Current assets Abstract ifrs-full:CurrentAssetsAbstract
118 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
119 Trade and other receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
120 Value added taxes receivable Concept (Monetary) As Of Debit ifrs-full:CurrentValueAddedTaxReceivables
121 Income taxes receivable Concept (Monetary) As Of Debit ifrs-full:CurrentTaxAssetsCurrent
122 Inventories Concept (Monetary) As Of Debit ifrs-full:Inventories
123 Other financial assets Concept (Monetary) As Of Debit ifrs-full:OtherCurrentFinancialAssets
124 Prepaid expenses and other Concept (Monetary) As Of Debit ifrs-full:CurrentPrepaidExpenses
125 Total current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
126 Non-current assets Abstract ifrs-full:NoncurrentAssetsAbstract
127 Mining interests Concept (Monetary) As Of Debit ag:AssetsArisingFromExplorationEvaluationAndDevelopmentCosts
128 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
129 Deposits on non-current assets Concept (Monetary) As Of Debit ifrs-full:LongtermDeposits
130 Non-current income taxes receivable Concept (Monetary) As Of Debit ag:NoncurrentIncomeTaxesReceivable
131 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:NetDeferredTaxAssets
132 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
133 Current liabilities Abstract ifrs-full:CurrentLiabilitiesAbstract
134 Trade and other payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
135 Unearned revenue Concept (Monetary) As Of Credit ifrs-full:DeferredIncome
136 Current portion of debt facilities Concept (Monetary) As Of Credit ifrs-full:ShorttermBorrowings
137 Current portion of equipment financing obligations Concept (Monetary) As Of Credit ifrs-full:CurrentLeaseLiabilities
138 Total current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
139 Non-current liabilities Abstract ifrs-full:NoncurrentLiabilitiesAbstract
140 Debt facilities Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
141 Equipment financing obligations Concept (Monetary) As Of Credit ifrs-full:NoncurrentLeaseLiabilities
142 Decommissioning liabilities Concept (Monetary) As Of Credit ifrs-full:LongtermProvisionForDecommissioningRestorationAndRehabilitationCosts
143 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentLiabilities
144 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:NetDeferredTaxLiabilities
145 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
146 Equity Abstract ifrs-full:EquityAbstract
147 Share capital Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
148 Equity reserves Concept (Monetary) As Of Credit ifrs-full:CapitalReserve
149 Accumulated deficit Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
150 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
151 Total liabilities and equity Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
152 005 - Statement - Consolidated Statements of Changes in Equity Network

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http://www.firstmajestic.com/20181231/role/statement-consolidated-statements-of-changes-in-equity
153 Statement Table [Table] Table

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ag:StatementTable
154 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
155 Equity [member] Member ifrs-full:EquityMember
156 Issued capital [member] Member ifrs-full:IssuedCapitalMember
157 Share-based payments [member] Member ag:SharebasedPaymentsMember
158 Other comprehensive income [Member] Member ag:OtherComprehensiveIncomeMember
159 Reserve of remeasurements of defined benefit plans [member] Member ifrs-full:ReserveOfRemeasurementsOfDefinedBenefitPlansMember
160 Equity component of convertible debenture [Member] Member ag:EquityComponentOfConvertibleDebentureMember
161 Total equity reserves [member] Member ag:TotalEquityReservesMember
162 Retained earnings [member] Member ifrs-full:RetainedEarningsMember
163 Statement Line Items [Line Items] LineItems ag:StatementLineItems
164 Balance (in shares) Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
165 Balance Concept (Monetary) As Of Credit ifrs-full:Equity
166 Net loss for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
167 Other comprehensive loss Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
168 Total comprehensive (loss) income Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
169 Share-based payments Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
170 Exercise of stock options (Note 23(b)) (in shares) Concept (Shares) For Period ag:IncreaseDecreaseInNumberOfSharesOutstandingExerciseOfStockOptions
171 Exercise of stock options (Note 23(b)) Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughExerciseOfOptions
172 Settlement of liabilities (in shares) Concept (Shares) For Period ag:IncreaseDecreaseInNumberOfSharesOutstandingSettlementOfLiabilities
173 Settlement of liabilities Concept (Monetary) For Period Credit ag:IncreaseDecreaseThroughSettlementOfLiabilitiesEquity
174 Equity component of convertible debenture, net of tax (Note 19(c)) Concept (Monetary) For Period Credit ag:IncreaseThroughEquityComponentOfConvertibleDebentureNetOfTax
175 Acquisition of Primero (Note 4) (in shares) Concept (Shares) For Period ag:IncreaseInNumberOfSharesOutstandingAcquisition
176 Acquisition of Primero (Note 4) Concept (Monetary) For Period Credit ag:IncreaseThroughAcquisition
177 Shares cancelled (in shares) Concept (Shares) For Period ag:DecreaseInNumberOfSharesOutstandingSharesCancelled
178 Shares cancelled Concept (Monetary) For Period Debit ag:DecreaseThroughSharesCancelled
179 Shares repurchased and cancelled (Note 23(d)) (in shares) Concept (Shares) For Period ag:DecreaseInNumberOfSharesOutstandingSharesRepurchasedAndCancelled
180 Shares repurchased and cancelled (Note 23(d)) Concept (Monetary) For Period Debit ag:DecreaseThroughSharesRepurchasedAndCancelled
181 Shares repurchased for delisting from Bolsa (Note 23(e)) (in shares) Concept (Shares) For Period ag:DecreaseInNumberOfSharesOutstandingSharesRepurchasedForDelisting
182 Shares repurchased for delisting from Bolsa (Note 23(e)) Concept (Monetary) For Period Debit ag:DecreaseThroughSharesRepurchasedForDelisting
183 Balance (in shares) Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
184 Balance Concept (Monetary) As Of Credit ifrs-full:Equity
185 006 - Statement - Consolidated Statements of Changes in Equity (Parentheticals) Network

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http://www.firstmajestic.com/20181231/role/statement-consolidated-statements-of-changes-in-equity-parentheticals
186 Statement Table [Table] Table

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ag:StatementTable
187 Statement Line Items [Line Items] LineItems ag:StatementLineItems
188 Residual value of equity component of convertible debenture Concept (Monetary) As Of Credit ifrs-full:ReserveOfEquityComponentOfConvertibleInstruments
189 Residual value of equity component of convertible debenture, deferred tax liability Concept (Monetary) As Of Credit ag:ReserveOfEquityComponentOfConvertibleInstrumentsDeferredTaxLiability
190 007 - Disclosure - Note 1 - Nature of Operations Network

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http://www.firstmajestic.com/20181231/role/statement-note-1-nature-of-operations
191 Statement Table [Table] Table

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ag:StatementTable
192 Legal Entity [Axis] Axis dei:LegalEntityAxis
193 Entity [Domain] Member dei:EntityDomain
194 Statement Line Items [Line Items] LineItems ag:StatementLineItems
195 Disclosure of nature of operations explanatory [text block] Concept (Text Block (HTML)) For Period ag:DisclosureOfNatureOfOperationsExplanatory
196 008 - Disclosure - Note 2 - Basis of Presentation Network

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http://www.firstmajestic.com/20181231/role/statement-note-2-basis-of-presentation
197 Statement Table [Table] Table

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ag:StatementTable
198 Legal Entity [Axis] Axis dei:LegalEntityAxis
199 Entity [Domain] Member dei:EntityDomain
200 Statement Line Items [Line Items] LineItems ag:StatementLineItems
201 Disclosure of basis of preparation of financial statements [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory
202 009 - Disclosure - Note 3 - Significant Accounting Policies, Estimates and Judgments Network

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203 Statement Table [Table] Table

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ag:StatementTable
204 Legal Entity [Axis] Axis dei:LegalEntityAxis
205 Entity [Domain] Member dei:EntityDomain
206 Statement Line Items [Line Items] LineItems ag:StatementLineItems
207 Disclosure of significant accounting policies [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
208 010 - Disclosure - Note 4 - Acquisition of Primero Mining Corp. Network

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http://www.firstmajestic.com/20181231/role/statement-note-4-acquisition-of-primero-mining-corp
209 Statement Table [Table] Table

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ag:StatementTable
210 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
211 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
212 Primero Mining Corp. [member] Member ag:PrimeroMiningCorpMember
213 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
214 Counterparties [member] Member ifrs-full:CounterpartiesMember
215 Primero shareholders [member] Member ag:PrimeroShareholdersMember
216 Wheaton Precious Metals International Ltd. [member] Member ag:WheatonPreciousMetalsInternationalLtdMember
217 Legal Entity [Axis] Axis dei:LegalEntityAxis
218 Entity [Domain] Member dei:EntityDomain
219 Statement Line Items [Line Items] LineItems ag:StatementLineItems
220 Disclosure of business combinations [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBusinessCombinationsExplanatory
221 011 - Disclosure - Note 5 - Segmented Information Network

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http://www.firstmajestic.com/20181231/role/statement-note-5-segmented-information
222 Statement Table [Table] Table

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ag:StatementTable
223 Geographical [Axis] Axis srt:StatementGeographicalAxis
224 Geographical [Domain] Member srt:SegmentGeographicalDomain
225 MEXICO Member country:MX
226 Major customers [axis] Axis ifrs-full:MajorCustomersAxis
227 Customers [member] Member ifrs-full:MajorCustomersMember
228 One major customer [member] Member ag:OneMajorCustomerMember
229 Major customer 1 [member] Member ag:MajorCustomer1Member
230 Major customer 2 [member] Member ag:MajorCustomer2Member
231 Major customer 3 [member] Member ag:MajorCustomer3Member
232 Legal Entity [Axis] Axis dei:LegalEntityAxis
233 Entity [Domain] Member dei:EntityDomain
234 Statement Line Items [Line Items] LineItems ag:StatementLineItems
235 Disclosure of entity's operating segments [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory
236 012 - Disclosure - Note 6 - Revenues Network

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http://www.firstmajestic.com/20181231/role/statement-note-6-revenues
237 Statement Table [Table] Table

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ag:StatementTable
238 Counterparty Name [Axis] Axis srt:CounterpartyNameAxis
239 Counterparty Name [Domain] Member srt:RepurchaseAgreementCounterpartyNameDomain
240 Sandstorm Gold Ltd. [member] Member ag:SandstormGoldLtdMember
241 Wheaton Precious Metals International Ltd. [member] Member ag:WheatonPreciousMetalsInternationalLtdMember
242 Segments [axis] Axis ifrs-full:SegmentsAxis
243 Segments [member] Member ifrs-full:SegmentsMember
244 Mexico - Santa Elena [member] Member ag:MexicoSantaElenaMember
245 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
246 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
247 Annual inflation [member] Member ag:AnnualInflationMember
248 Legal Entity [Axis] Axis dei:LegalEntityAxis
249 Entity [Domain] Member dei:EntityDomain
250 Statement Line Items [Line Items] LineItems ag:StatementLineItems
251 Disclosure of revenue [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRevenueExplanatory
252 013 - Disclosure - Note 7 - Cost of Sales Network

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http://www.firstmajestic.com/20181231/role/statement-note-7-cost-of-sales
253 Statement Table [Table] Table

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ag:StatementTable
254 Legal Entity [Axis] Axis dei:LegalEntityAxis
255 Entity [Domain] Member dei:EntityDomain
256 Statement Line Items [Line Items] LineItems ag:StatementLineItems
257 Disclosure of cost of sales [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCostOfSalesExplanatory
258 014 - Disclosure - Note 8 - General and Administrative Expenses Network

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http://www.firstmajestic.com/20181231/role/statement-note-8-general-and-administrative-expenses
259 Statement Table [Table] Table

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ag:StatementTable
260 Legal Entity [Axis] Axis dei:LegalEntityAxis
261 Entity [Domain] Member dei:EntityDomain
262 Statement Line Items [Line Items] LineItems ag:StatementLineItems
263 Disclosure of general and administrative expense [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGeneralAndAdministrativeExpenseExplanatory
264 015 - Disclosure - Note 9 - Investment and Other Loss Network

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http://www.firstmajestic.com/20181231/role/statement-note-9-investment-and-other-loss
265 Statement Table [Table] Table

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ag:StatementTable
266 Legal Entity [Axis] Axis dei:LegalEntityAxis
267 Entity [Domain] Member dei:EntityDomain
268 Statement Line Items [Line Items] LineItems ag:StatementLineItems
269 Disclosure of finance income [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinanceIncomeExplanatory
270 016 - Disclosure - Note 10 - Finance Costs Network

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271 Statement Table [Table] Table

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ag:StatementTable
272 Legal Entity [Axis] Axis dei:LegalEntityAxis
273 Entity [Domain] Member dei:EntityDomain
274 Statement Line Items [Line Items] LineItems ag:StatementLineItems
275 Disclosure of finance cost [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinanceCostExplanatory
276 017 - Disclosure - Note 11 - Loss Per Share Network

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277 Statement Table [Table] Table

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278 Legal Entity [Axis] Axis dei:LegalEntityAxis
279 Entity [Domain] Member dei:EntityDomain
280 Statement Line Items [Line Items] LineItems ag:StatementLineItems
281 Disclosure of earnings per share [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEarningsPerShareExplanatory
282 018 - Disclosure - Note 12 - Trade and Other Receivables Network

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283 Statement Table [Table] Table

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ag:StatementTable
284 Legal Entity [Axis] Axis dei:LegalEntityAxis
285 Entity [Domain] Member dei:EntityDomain
286 Statement Line Items [Line Items] LineItems ag:StatementLineItems
287 Disclosure of trade and other receivables [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory
288 019 - Disclosure - Note 13 - Inventories Network

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289 Statement Table [Table] Table

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290 Legal Entity [Axis] Axis dei:LegalEntityAxis
291 Entity [Domain] Member dei:EntityDomain
292 Statement Line Items [Line Items] LineItems ag:StatementLineItems
293 Disclosure of inventories [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInventoriesExplanatory
294 020 - Disclosure - Note 14 - Other Financial Assets Network

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295 Statement Table [Table] Table

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ag:StatementTable
296 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
297 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
298 Futures contract [member] Member ifrs-full:FuturesContractMember
299 Legal Entity [Axis] Axis dei:LegalEntityAxis
300 Entity [Domain] Member dei:EntityDomain
301 Statement Line Items [Line Items] LineItems ag:StatementLineItems
302 Disclosure of other assets [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherAssetsExplanatory
303 021 - Disclosure - Note 15 - Mining Interests Network

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304 Statement Table [Table] Table

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ag:StatementTable
305 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
306 Counterparties [member] Member ifrs-full:CounterpartiesMember
307 Wheaton Precious Metals International Ltd. [member] Member ag:WheatonPreciousMetalsInternationalLtdMember
308 Counterparty Name [Axis] Axis srt:CounterpartyNameAxis
309 Counterparty Name [Domain] Member srt:RepurchaseAgreementCounterpartyNameDomain
310 Sandstorm Gold Ltd. [member] Member ag:SandstormGoldLtdMember
311 Segments [axis] Axis ifrs-full:SegmentsAxis
312 Segments [member] Member ifrs-full:SegmentsMember
313 Mexico - Santa Elena [member] Member ag:MexicoSantaElenaMember
314 Mexico - Del Toro [member] Member ag:MexicoDelToroMember
315 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
316 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
317 Annual inflation [member] Member ag:AnnualInflationMember
318 Legal Entity [Axis] Axis dei:LegalEntityAxis
319 Entity [Domain] Member dei:EntityDomain
320 Statement Line Items [Line Items] LineItems ag:StatementLineItems
321 Disclosure of exploration and evaluation assets [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfExplorationAndEvaluationAssetsExplanatory
322 022 - Disclosure - Note 16 - Property, Plant and Equipment Network

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323 Statement Table [Table] Table

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324 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
325 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
326 Land not subject to depreciation [member] Member ag:LandNotSubjectToDepreciationMember
327 Legal Entity [Axis] Axis dei:LegalEntityAxis
328 Entity [Domain] Member dei:EntityDomain
329 Statement Line Items [Line Items] LineItems ag:StatementLineItems
330 Disclosure of property, plant and equipment [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory
331 023 - Disclosure - Note 17 - Impairment of Non-current Assets Network

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332 Statement Table [Table] Table

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333 Legal Entity [Axis] Axis dei:LegalEntityAxis
334 Entity [Domain] Member dei:EntityDomain
335 Statement Line Items [Line Items] LineItems ag:StatementLineItems
336 Disclosure of impairment of assets [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfImpairmentOfAssetsExplanatory
337 024 - Disclosure - Note 18 - Trade and Other Payables Network

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338 Statement Table [Table] Table

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339 Legal Entity [Axis] Axis dei:LegalEntityAxis
340 Entity [Domain] Member dei:EntityDomain
341 Statement Line Items [Line Items] LineItems ag:StatementLineItems
342 Disclosure of trade and other payables [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory
343 025 - Disclosure - Note 19 - Debt Facilities Network

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344 Statement Table [Table] Table

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345 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
346 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
347 Five year convertible debentures [member] Member ag:FiveYearConvertibleDebenturesMember
348 Revolving credit facility with three lenders [member] Member ag:RevolvingCreditFacilityWithThreeLendersMember
349 Term loan [member] Member ag:TermLoanMember
350 Revolving credit facility [member] Member ag:RevolvingCreditFacilityMember
351 Primero Debt Facilities [Member] Member ag:PrimeroDebtFacilitiesMember
352 Convertible debentures [Member] Member ag:ConvertibleDebenturesMember
353 Range [axis] Axis ifrs-full:RangeAxis
354 Ranges [member] Member ifrs-full:RangesMember
355 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
356 Top of range [member] Member ifrs-full:TopOfRangeMember
357 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
358 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
359 Floating interest rate [member] Member ifrs-full:FloatingInterestRateMember
360 London inter-bank offer rate [member] Member ag:LondonInterbankOfferRateMember
361 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
362 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
363 Primero Mining Corp. [member] Member ag:PrimeroMiningCorpMember
364 Legal Entity [Axis] Axis dei:LegalEntityAxis
365 Entity [Domain] Member dei:EntityDomain
366 Statement Line Items [Line Items] LineItems ag:StatementLineItems
367 Disclosure of debt instruments [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDebtSecuritiesExplanatory
368 026 - Disclosure - Note 20 - Equipment Financing Obligations Network

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369 Statement Table [Table] Table

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370 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
371 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
372 Finance leases [member] Member ag:FinanceLeasesMember
373 Equipment Financing [member] Member ag:EquipmentFinancingMember
374 Range [axis] Axis ifrs-full:RangeAxis
375 Ranges [member] Member ifrs-full:RangesMember
376 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
377 Top of range [member] Member ifrs-full:TopOfRangeMember
378 Legal Entity [Axis] Axis dei:LegalEntityAxis
379 Entity [Domain] Member dei:EntityDomain
380 Statement Line Items [Line Items] LineItems ag:StatementLineItems
381 Disclosure of leases [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfLeasesExplanatory
382 027 - Disclosure - Note 21 - Decommissioning Liabilities Network

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383 Statement Table [Table] Table

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384 Range [axis] Axis ifrs-full:RangeAxis
385 Ranges [member] Member ifrs-full:RangesMember
386 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
387 Top of range [member] Member ifrs-full:TopOfRangeMember
388 Legal Entity [Axis] Axis dei:LegalEntityAxis
389 Entity [Domain] Member dei:EntityDomain
390 Statement Line Items [Line Items] LineItems ag:StatementLineItems
391 Disclosure of decommissioning liability explanatory [text block] Concept (Text Block (HTML)) For Period ag:DisclosureOfDecommissioningLiabilityExplanatory
392 028 - Disclosure - Note 22 - Income Taxes Network

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393 Statement Table [Table] Table

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394 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
395 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
396 Entities that have had a loss for tax purposes in either 2016 or 2015, or both [member] Member ag:EntitiesThatHaveHadALossForTaxPurposesInEither2016Or2015OrBothMember
397 Legal Entity [Axis] Axis dei:LegalEntityAxis
398 Entity [Domain] Member dei:EntityDomain
399 Statement Line Items [Line Items] LineItems ag:StatementLineItems
400 Disclosure of income tax [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIncomeTaxExplanatory
401 029 - Disclosure - Note 23 - Share Capital Network

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402 Statement Table [Table] Table

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403 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
404 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
405 Vesting on first anniversary [member] Member ag:VestingOnFirstAnniversaryMember
406 Vesting on each six months thereafter [member] Member ag:VestingOnEachSixMonthsThereafterMember
407 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
408 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
409 Primero Mining Corp. [member] Member ag:PrimeroMiningCorpMember
410 Legal Entity [Axis] Axis dei:LegalEntityAxis
411 Entity [Domain] Member dei:EntityDomain
412 Statement Line Items [Line Items] LineItems ag:StatementLineItems
413 Disclosure of issued capital [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIssuedCapitalExplanatory
414 030 - Disclosure - Note 24 - Financial Instruments and Related Risk Management Network

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415 Statement Table [Table] Table

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416 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
417 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
418 Primero Mining Corp. [member] Member ag:PrimeroMiningCorpMember
419 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
420 Risks [member] Member ifrs-full:TypesOfRisksMember
421 Market risk [member] Member ifrs-full:MarketRiskMember
422 Legal Entity [Axis] Axis dei:LegalEntityAxis
423 Entity [Domain] Member dei:EntityDomain
424 Statement Line Items [Line Items] LineItems ag:StatementLineItems
425 Disclosure of financial risk management [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialRiskManagementExplanatory
426 031 - Disclosure - Note 25 - Supplemental Cash Flow Information Network

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427 Statement Table [Table] Table

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428 Legal Entity [Axis] Axis dei:LegalEntityAxis
429 Entity [Domain] Member dei:EntityDomain
430 Statement Line Items [Line Items] LineItems ag:StatementLineItems
431 Disclosure of cash flow statement [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCashFlowStatementExplanatory
432 032 - Disclosure - Note 26 - Contingencies and Other Matters Network

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433 Statement Table [Table] Table

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434 Segments [axis] Axis ifrs-full:SegmentsAxis
435 Segments [member] Member ifrs-full:SegmentsMember
436 Mexico - San Dimas [member] Member ag:MexicoSanDimasMember
437 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
438 Counterparties [member] Member ifrs-full:CounterpartiesMember
439 Wheaton Precious Metals International Ltd. [member] Member ag:WheatonPreciousMetalsInternationalLtdMember
440 Legal Entity [Axis] Axis dei:LegalEntityAxis
441 Entity [Domain] Member dei:EntityDomain
442 Statement Line Items [Line Items] LineItems ag:StatementLineItems
443 Disclosure of contingent liabilities [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfContingentLiabilitiesExplanatory
444 033 - Disclosure - Note 27 - Subsidiaries Network

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445 Statement Table [Table] Table

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446 Legal Entity [Axis] Axis dei:LegalEntityAxis
447 Entity [Domain] Member dei:EntityDomain
448 Statement Line Items [Line Items] LineItems ag:StatementLineItems
449 Disclosure of basis of consolidation [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBasisOfConsolidationExplanatory
450 034 - Disclosure - Note 28 - Key Management Compensation Network

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451 Statement Table [Table] Table

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452 Legal Entity [Axis] Axis dei:LegalEntityAxis
453 Entity [Domain] Member dei:EntityDomain
454 Statement Line Items [Line Items] LineItems ag:StatementLineItems
455 Disclosure of transactions between related parties [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory
456 035 - Disclosure - Note 29 - Subsequent Events Network

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457 Statement Table [Table] Table

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458 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
459 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
460 Prospectus supplement [Member] Member ag:ProspectusSupplementMember
461 Legal Entity [Axis] Axis dei:LegalEntityAxis
462 Entity [Domain] Member dei:EntityDomain
463 Statement Line Items [Line Items] LineItems ag:StatementLineItems
464 Disclosure of events after reporting period [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEventsAfterReportingPeriodExplanatory
465 036 - Disclosure - Significant Accounting Policies (Policies) Network

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466 Statement Table [Table] Table

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467 Legal Entity [Axis] Axis dei:LegalEntityAxis
468 Entity [Domain] Member dei:EntityDomain
469 Statement Line Items [Line Items] LineItems ag:StatementLineItems
470 Discloure of Significant Accounting Policies Abstract ag:DisclosureOfSignificantAccountingPoliciesAbstract
471 Description of accounting policy for new and amended IFRS standards [text block] Concept (Text Block (HTML)) For Period ag:DescriptionOfAccountingPolicyForNewAndAmendedIFRSStandardsTextBlock
472 Description of accounting policy for business combinations, explanatory [text block] Concept (Text Block (HTML)) For Period ag:DescriptionOfAccountingPolicyForBusinessCombinationsExplanatoryTextBlock
473 Description of accounting policy for goodwill [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForGoodwillExplanatory
474 Description of accounting policy for functional currency [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory
475 Description of accounting policy for recognition of revenue [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue
476 Description of accounting policy for measuring inventories [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForMeasuringInventories
477 Description of accounting policy for exploration and evaluation expenditures [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForExplorationAndEvaluationExpenditures
478 Description of accounting policy for mining assets [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForMiningAssetsExplanatory
479 Description of accounting policy for property, plant and equipment [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory
480 Description of accounting policy for borrowing costs [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForBorrowingCostsExplanatory
481 Description of accounting policy for impairment of assets [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory
482 Description of accounting policy for share-based payment transactions [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory
483 Description of accounting policy for income tax [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory
484 Description of accounting policy for leases [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForLeasesExplanatory
485 Description of accounting policy for determining components of cash and cash equivalents [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents
486 Description of accounting policy for financial instruments [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory
487 Description of accounting policy for provisions [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForProvisionsExplanatory
488 Description of accounting policy for earnings per share [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForEarningsPerShareExplanatory
489 Disclosure of expected impact of initial application of new standards or interpretations [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations
490 037 - Disclosure - Note 4 - Acquisition of Primero Mining Corp. (Tables) Network

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491 Statement Table [Table] Table

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492 Legal Entity [Axis] Axis dei:LegalEntityAxis
493 Entity [Domain] Member dei:EntityDomain
494 Statement Line Items [Line Items] LineItems ag:StatementLineItems
495 Disclosure of detailed information about business combinations [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory
496 038 - Disclosure - Note 5 - Segmented Information (Tables) Network

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497 Statement Table [Table] Table

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498 Legal Entity [Axis] Axis dei:LegalEntityAxis
499 Entity [Domain] Member dei:EntityDomain
500 Statement Line Items [Line Items] LineItems ag:StatementLineItems
501 Disclosure of detailed information about entity reportable segments, explanatory [text block] Concept (Text Block (HTML)) For Period ag:DisclosureOfDetailedInformationAboutEntityReportableSegmentsExplanatory
502 039 - Disclosure - Note 6 - Revenues (Tables) Network

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503 Statement Table [Table] Table

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504 Legal Entity [Axis] Axis dei:LegalEntityAxis
505 Entity [Domain] Member dei:EntityDomain
506 Statement Line Items [Line Items] LineItems ag:StatementLineItems
507 Disclosure of detailed information about revenues [text block] Concept (Text Block (HTML)) For Period ag:DisclosureOfDetailedInformationAboutRevenues
508 040 - Disclosure - Note 7 - Cost of Sales (Tables) Network

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509 Statement Table [Table] Table

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510 Legal Entity [Axis] Axis dei:LegalEntityAxis
511 Entity [Domain] Member dei:EntityDomain
512 Statement Line Items [Line Items] LineItems ag:StatementLineItems
513 Disclosure of detailed information about cost of sales [text block] Concept (Text Block (HTML)) For Period ag:DisclosureOfDetailedInformationAboutCostOfSales
514 041 - Disclosure - Note 8 - General and Administrative Expenses (Tables) Network

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515 Statement Table [Table] Table

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516 Legal Entity [Axis] Axis dei:LegalEntityAxis
517 Entity [Domain] Member dei:EntityDomain
518 Statement Line Items [Line Items] LineItems ag:StatementLineItems
519 Disclosure of expenses [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfExpensesExplanatory
520 042 - Disclosure - Note 9 - Investment and Other Loss (Tables) Network

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521 Statement Table [Table] Table

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522 Legal Entity [Axis] Axis dei:LegalEntityAxis
523 Entity [Domain] Member dei:EntityDomain
524 Statement Line Items [Line Items] LineItems ag:StatementLineItems
525 Disclosure of finance income (cost) [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinanceIncomeExpenseExplanatory
526 043 - Disclosure - Note 10 - Finance Costs (Tables) Network

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527 Statement Table [Table] Table

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528 Legal Entity [Axis] Axis dei:LegalEntityAxis
529 Entity [Domain] Member dei:EntityDomain
530 Statement Line Items [Line Items] LineItems ag:StatementLineItems
531 Disclosure of interest expense [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInterestExpenseExplanatory
532 044 - Disclosure - Note 11 - Loss Per Share (Tables) Network

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533 Statement Table [Table] Table

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534 Legal Entity [Axis] Axis dei:LegalEntityAxis
535 Entity [Domain] Member dei:EntityDomain
536 Statement Line Items [Line Items] LineItems ag:StatementLineItems
537 Earnings per share [text block] Concept (Text Block (HTML)) For Period ifrs-full:EarningsPerShareExplanatory
538 045 - Disclosure - Note 12 - Trade and Other Receivables (Tables) Network

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539 Statement Table [Table] Table

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540 Legal Entity [Axis] Axis dei:LegalEntityAxis
541 Entity [Domain] Member dei:EntityDomain
542 Statement Line Items [Line Items] LineItems ag:StatementLineItems
543 Disclosure of detailed information about trade and other receivables explanatory [text block] Concept (Text Block (HTML)) For Period ag:DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatory
544 046 - Disclosure - Note 13 - Inventories (Tables) Network

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545 Statement Table [Table] Table

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546 Legal Entity [Axis] Axis dei:LegalEntityAxis
547 Entity [Domain] Member dei:EntityDomain
548 Statement Line Items [Line Items] LineItems ag:StatementLineItems
549 Disclosure of detailed information about inventories explanatory [text block] Concept (Text Block (HTML)) For Period ag:DisclosureOfDetailedInformationAboutInventoriesExplanatory
550 047 - Disclosure - Note 14 - Other Financial Assets (Tables) Network

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551 Statement Table [Table] Table

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552 Legal Entity [Axis] Axis dei:LegalEntityAxis
553 Entity [Domain] Member dei:EntityDomain
554 Statement Line Items [Line Items] LineItems ag:StatementLineItems
555 Disclosure of fair value of financial instruments [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFairValueOfFinancialInstrumentsExplanatory
556 048 - Disclosure - Note 15 - Mining Interests (Tables) Network

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557 Statement Table [Table] Table

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558 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
559 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
560 Exploration properties [member] Member ag:ExplorationPropertiesMember
561 Producing properties [member] Member ag:ProducingPropertiesMember
562 Legal Entity [Axis] Axis dei:LegalEntityAxis
563 Entity [Domain] Member dei:EntityDomain
564 Statement Line Items [Line Items] LineItems ag:StatementLineItems
565 Disclosure of detailed information about mining interests [text block] Concept (Text Block (HTML)) For Period ag:DisclosureOfDetailedInformationAboutMiningInterests
566 Disclosure of detailed information about mining interests producing properties and exploration properties [text block] Concept (Text Block (HTML)) For Period ag:DisclosureOfDetailedInformationAboutMiningInterestsProducingPropertiesAndExplorationProperties
567 049 - Disclosure - Note 16 - Property, Plant and Equipment (Tables) Network

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568 Statement Table [Table] Table

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569 Legal Entity [Axis] Axis dei:LegalEntityAxis
570 Entity [Domain] Member dei:EntityDomain
571 Statement Line Items [Line Items] LineItems ag:StatementLineItems
572 Disclosure of detailed information about property, plant and equipment [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory
573 Disclosure of detailed information about property plant and equipment allocated by mine explanatory [text block] Concept (Text Block (HTML)) For Period ag:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentAllocatedByMineExplanatory
574 050 - Disclosure - Note 17 - Impairment of Non-current Assets (Tables) Network

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575 Statement Table [Table] Table

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576 Legal Entity [Axis] Axis dei:LegalEntityAxis
577 Entity [Domain] Member dei:EntityDomain
578 Statement Line Items [Line Items] LineItems ag:StatementLineItems
579 Disclosure of impairment loss and reversal of impairment loss [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory
580 Disclosure of impairment loss in respect of each operating segment or project explanatory [text block] Concept (Text Block (HTML)) For Period ag:DisclosureOfImpairmentLossInRespectOfEachOperatingSegmentOrProjectExplanatory
581 Explanation of inputs, assumptions and estimation techniques used to apply impairment requirements [text block] Concept (Text Block (HTML)) For Period ifrs-full:ExplanationOfInputsAssumptionsAndEstimationTechniquesUsedToApplyImpairmentRequirementsExplanatory
582 051 - Disclosure - Note 18 - Trade and Other Payables (Tables) Network

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583 Statement Table [Table] Table

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584 Legal Entity [Axis] Axis dei:LegalEntityAxis
585 Entity [Domain] Member dei:EntityDomain
586 Statement Line Items [Line Items] LineItems ag:StatementLineItems
587 Disclosure of other current liabilities [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherCurrentLiabilitiesExplanatory
588 052 - Disclosure - Note 19 - Debt Facilities (Tables) Network

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589 Statement Table [Table] Table

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590 Legal Entity [Axis] Axis dei:LegalEntityAxis
591 Entity [Domain] Member dei:EntityDomain
592 Statement Line Items [Line Items] LineItems ag:StatementLineItems
593 Disclosure of detailed information about debt activity explanatory [text block] Concept (Text Block (HTML)) For Period ag:DisclosureOfDetailedInformationAboutDebtActivityExplanatory
594 053 - Disclosure - Note 20 - Equipment Financing Obligations (Tables) Network

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595 Statement Table [Table] Table

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596 Legal Entity [Axis] Axis dei:LegalEntityAxis
597 Entity [Domain] Member dei:EntityDomain
598 Statement Line Items [Line Items] LineItems ag:StatementLineItems
599 Disclosure of equipment financing obligations explanatory [text block] Concept (Text Block (HTML)) For Period ag:DisclosureOfEquipmentFinancingObligationsExplanatory
600 054 - Disclosure - Note 21 - Decommissioning Liabilities (Tables) Network

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601 Statement Table [Table] Table

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602 Legal Entity [Axis] Axis dei:LegalEntityAxis
603 Entity [Domain] Member dei:EntityDomain
604 Statement Line Items [Line Items] LineItems ag:StatementLineItems
605 Disclosure of detailed information about decommissioning liability explanatory [text block] Concept (Text Block (HTML)) For Period ag:DisclosureOfDetailedInformationAboutDecommissioningLiabilityExplanatory
606 055 - Disclosure - Note 22 - Income Taxes (Tables) Network

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607 Statement Table [Table] Table

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609 Entity [Domain] Member dei:EntityDomain
610 Statement Line Items [Line Items] LineItems ag:StatementLineItems
611 Disclosure of detailed information about effective income tax expense recovery explanatory [text block] Concept (Text Block (HTML)) For Period ag:DisclosureOfDetailedInformationAboutEffectiveIncomeTaxExpenseRecoveryExplanatory
612 Disclosure of deferred taxes [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDeferredTaxesExplanatory
613 Disclosure of detailed information about deferred tax assets expiration explanatory [text block] Concept (Text Block (HTML)) For Period ag:DisclosureOfDetailedInformationAboutDeferredTaxAssetsExpirationExplanatory
614 056 - Disclosure - Note 23 - Share Capital (Tables) Network

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615 Statement Table [Table] Table

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617 Entity [Domain] Member dei:EntityDomain
618 Statement Line Items [Line Items] LineItems ag:StatementLineItems
619 Disclosure of range of exercise prices of outstanding share options [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsExplanatory
620 Disclosure of number and weighted average exercise prices of share options [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory
621 Disclosure of detailed information about options valuation assumptions explanatory [text block] Concept (Text Block (HTML)) For Period ag:DisclosureOfDetailedInformationAboutOptionsValuationAssumptionsExplanatory
622 057 - Disclosure - Note 24 - Financial Instruments and Related Risk Management (Tables) Network

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623 Statement Table [Table] Table

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624 Legal Entity [Axis] Axis dei:LegalEntityAxis
625 Entity [Domain] Member dei:EntityDomain
626 Statement Line Items [Line Items] LineItems ag:StatementLineItems
627 Disclosure of detailed information about financial instruments [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory
628 Disclosure of detailed information about capital risk management explanatory [text block] Concept (Text Block (HTML)) For Period ag:DisclosureOfDetailedInformationAboutCapitalRiskManagementExplanatory
629 Disclosure of financial liabilities [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialLiabilitiesExplanatory
630 Disclosure of detailed information about currency risk explanatory [text block] Concept (Text Block (HTML)) For Period ag:DisclosureOfDetailedInformationAboutCurrencyRiskExplanatory
631 Disclosure of detailed information about price risk explanatory [text block] Concept (Text Block (HTML)) For Period ag:DisclosureOfDetailedInformationAboutPriceRiskExplanatory
632 058 - Disclosure - Note 25 - Supplemental Cash Flow Information (Tables) Network

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633 Statement Table [Table] Table

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634 Legal Entity [Axis] Axis dei:LegalEntityAxis
635 Entity [Domain] Member dei:EntityDomain
636 Statement Line Items [Line Items] LineItems ag:StatementLineItems
637 Disclosure of detailed information about supplemental cash flow [text block] Concept (Text Block (HTML)) For Period ag:DisclosureOfDetailedInformationAboutSupplementalCashFlow
638 059 - Disclosure - Note 27 - Subsidiaries (Tables) Network

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639 Statement Table [Table] Table

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640 Legal Entity [Axis] Axis dei:LegalEntityAxis
641 Entity [Domain] Member dei:EntityDomain
642 Statement Line Items [Line Items] LineItems ag:StatementLineItems
643 Disclosure of subsidiaries [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory
644 060 - Disclosure - Note 28 - Key Management Compensation (Tables) Network

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645 Statement Table [Table] Table

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646 Legal Entity [Axis] Axis dei:LegalEntityAxis
647 Entity [Domain] Member dei:EntityDomain
648 Statement Line Items [Line Items] LineItems ag:StatementLineItems
649 Disclosure of information about key management personnel [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInformationAboutKeyManagementPersonnelExplanatory
650 061 - Disclosure - Note 3 - Significant Accounting Policies, Estimates and Judgments (Details Textual) Network

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651 Statement Table [Table] Table

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652 Legal Entity [Axis] Axis dei:LegalEntityAxis
653 Entity [Domain] Member dei:EntityDomain
654 Statement Line Items [Line Items] LineItems ag:StatementLineItems
655 Goodwill at end of period Concept (Monetary) As Of Debit ifrs-full:Goodwill
656 062 - Disclosure - Note 4 - Acquisition of Primero Mining Corp. (Details Textual) Network

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657 Statement Table [Table] Table

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658 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
659 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
660 Primero Mining Corp. [member] Member ag:PrimeroMiningCorpMember
661 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
662 Counterparties [member] Member ifrs-full:CounterpartiesMember
663 Primero shareholders [member] Member ag:PrimeroShareholdersMember
664 Wheaton Precious Metals International Ltd. [member] Member ag:WheatonPreciousMetalsInternationalLtdMember
665 Legal Entity [Axis] Axis dei:LegalEntityAxis
666 Entity [Domain] Member dei:EntityDomain
667 Statement Line Items [Line Items] LineItems ag:StatementLineItems
668 Number of instruments or interests issued or issuable Concept (Decimal) As Of ifrs-full:NumberOfInstrumentsOrInterestsIssuedOrIssuable
669 Business combination consideration transferred, share exchange ratio Concept (Pure) For Period ag:BusinessCombinationConsiderationTransferredShareExchangeRatio
670 Number of replacement stock options issued Concept (Shares) As Of ag:NumberOfReplacementStockOptionsIssued
671 Number of replacement warrants issued Concept (Shares) As Of ag:NumberOfReplacementWarrantsIssued
672 New stream agreement, percentage of gold equivalent production, counter party Concept (Percent) For Period ag:NewStreamAgreementPercentageOfGoldEquivalentProductionCounterParty
673 New stream agreement, ongoing payments, upper range limit Concept (Monetary) As Of Credit ag:NewStreamAgreementOngoingPaymentsUpperRangeLimit
674 New stream agreement, percentage of annual inflation adjustment Concept (Percent) For Period ag:NewStreamAgreementPercentageOfAnnualInflationAdjustment
675 Total consideration transferred, acquisition-date fair value Concept (Monetary) As Of Credit ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred
676 Share price Concept (Share) As Of ag:SharePrice
677 Acquisition-related costs recognised as expense for transaction recognised separately from acquisition of assets and assumption of liabilities in business combination Concept (Monetary) For Period Debit ifrs-full:AcquisitionrelatedCostsRecognisedAsExpenseForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination
678 Entity acquired, percentage ownership in mine acquired Concept (Percent) As Of ag:EntityAcquiredPercentageOwnershipInMineAcquired
679 Available non-capital tax loss carryforwards of acquired entity Concept (Monetary) As Of Debit ag:AvailableNoncapitalTaxLossCarryforwardsOfAcquiredEntity
680 Revenue of acquiree since acquisition date Concept (Monetary) For Period Credit ifrs-full:RevenueOfAcquiree
681 Profit (loss) of acquiree since acquisition date Concept (Monetary) For Period Credit ifrs-full:ProfitLossOfAcquiree
682 Revenue of combined entity as if combination occurred at beginning of period Concept (Monetary) For Period Credit ifrs-full:RevenueOfCombinedEntity
683 Profit (loss) of combined entity as if combination occurred at beginning of period Concept (Monetary) For Period Credit ifrs-full:ProfitLossOfCombinedEntity
684 063 - Disclosure - Note 4 - Acquisition of Primero Mining Corp. - Consideration and Purchase Price Allocation (Details) Network

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685 Statement Table [Table] Table

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686 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
687 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
688 Primero Mining Corp. [member] Member ag:PrimeroMiningCorpMember
689 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
690 Counterparties [member] Member ifrs-full:CounterpartiesMember
691 Primero shareholders [member] Member ag:PrimeroShareholdersMember
692 Wheaton Precious Metals International Ltd. [member] Member ag:WheatonPreciousMetalsInternationalLtdMember
693 Legal Entity [Axis] Axis dei:LegalEntityAxis
694 Entity [Domain] Member dei:EntityDomain
695 Statement Line Items [Line Items] LineItems ag:StatementLineItems
696 Total Consideration Abstract ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract
697 Equity interest Concept (Monetary) As Of Credit ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred
698 Allocation of Purchase Price Abstract ifrs-full:AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract
699 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsRecognisedAsOfAcquisitionDate
700 Value added taxes receivable Concept (Monetary) As Of Debit ag:ValueAddedTaxesReceivableRecognisedAsOfAcquisitionDate
701 Inventories Concept (Monetary) As Of Debit ifrs-full:InventoryRecognisedAsOfAcquisitionDate
702 Mining interests Concept (Monetary) As Of Debit ag:MiningInterestsRecognisedAsOfAcquisitionDate
703 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate
704 Deposit on non-current assets Concept (Monetary) As Of Debit ag:DepositOnNonCurrentAssetsRecognisedAsOfAcquisitionDate
705 Non-current income taxes receivable Concept (Monetary) As Of Debit ag:NonCurrentIncomeTaxesReceivableRecognisedAsOfAcquisitionDate
706 Other working capital items Concept (Monetary) As Of Credit ag:OtherWorkingCapitalItemsRecognisedAsOfAcquisitionDate
707 Income taxes payable Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherPayablesRecognisedAsOfAcquisitionDate
708 Debt facilities Concept (Monetary) As Of Credit ifrs-full:BorrowingsRecognisedAsOfAcquisitionDate
709 Decommissioning liabilities Concept (Monetary) As Of Credit ag:DecommissioningLiabilitiesRecognisedAsOfAcquisitionDate
710 Other non-current liabilities Concept (Monetary) As Of Credit ag:OtherNonCurrentLiabilitiesRecognisedAsOfAcquisitionDate
711 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilitiesRecognisedAsOfAcquisitionDate
712 Net assets acquired Concept (Monetary) As Of Debit ifrs-full:IdentifiableAssetsAcquiredLiabilitiesAssumed
713 064 - Disclosure - Note 4 - Acquisition of Primero Mining Corp. - Consideration and Purchase Price Allocation (Details) (Parentheticals) Network

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714 Statement Table [Table] Table

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715 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
716 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
717 Primero Mining Corp. [member] Member ag:PrimeroMiningCorpMember
718 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
719 Counterparties [member] Member ifrs-full:CounterpartiesMember
720 Primero shareholders [member] Member ag:PrimeroShareholdersMember
721 Wheaton Precious Metals International Ltd. [member] Member ag:WheatonPreciousMetalsInternationalLtdMember
722 Legal Entity [Axis] Axis dei:LegalEntityAxis
723 Entity [Domain] Member dei:EntityDomain
724 Statement Line Items [Line Items] LineItems ag:StatementLineItems
725 Number of instruments or interests issued or issuable Concept (Decimal) As Of ifrs-full:NumberOfInstrumentsOrInterestsIssuedOrIssuable
726 Weighted average share price Concept (Monetary) For Period ifrs-full:WeightedAverageSharePrice
727 065 - Disclosure - Note 5 - Segmented Information (Details Textual) Network

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728 Statement Table [Table] Table

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729 Geographical [Axis] Axis srt:StatementGeographicalAxis
730 Geographical [Domain] Member srt:SegmentGeographicalDomain
731 MEXICO Member country:MX
732 Major customers [axis] Axis ifrs-full:MajorCustomersAxis
733 Customers [member] Member ifrs-full:MajorCustomersMember
734 One major customer [member] Member ag:OneMajorCustomerMember
735 Major customer 1 [member] Member ag:MajorCustomer1Member
736 Major customer 2 [member] Member ag:MajorCustomer2Member
737 Major customer 3 [member] Member ag:MajorCustomer3Member
738 Legal Entity [Axis] Axis dei:LegalEntityAxis
739 Entity [Domain] Member dei:EntityDomain
740 Statement Line Items [Line Items] LineItems ag:StatementLineItems
741 Number of operating mines Concept (Integer) For Period ag:NumberOfOperatingMines
742 Number of customers that account for one hundred percent of sales revenue Concept (Integer) For Period ag:NumberOfCustomersThatAccountForOneHundredPercentOfSalesRevenue
743 Percentage of entity's revenue Concept (Percent) For Period ifrs-full:PercentageOfEntitysRevenue
744 066 - Disclosure - Note 5 - Segmented Information - Disclosure of Detailed Information About Entity Reportable Segments (Details) Network

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745 Statement Table [Table] Table

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746 Segments [axis] Axis ifrs-full:SegmentsAxis
747 Segments [member] Member ifrs-full:SegmentsMember
748 Mexico - San Dimas [member] Member ag:MexicoSanDimasMember
749 Mexico - Santa Elena [member] Member ag:MexicoSantaElenaMember
750 Mexico - La Encantada [member] Member ag:MexicoLaEncantadaMember
751 Mexico - San Martin [member] Member ag:MexicoSanMartinMember
752 Mexico - La Parrilla [member] Member ag:MexicoLaParrillaMember
753 Mexico - Del Toro [member] Member ag:MexicoDelToroMember
754 Mexico - La Guitarra [member] Member ag:MexicoLaGuitarraMember
755 All other segments [member] Member ifrs-full:AllOtherSegmentsMember
756 Legal Entity [Axis] Axis dei:LegalEntityAxis
757 Entity [Domain] Member dei:EntityDomain
758 Statement Line Items [Line Items] LineItems ag:StatementLineItems
759 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
760 Cost of sales Concept (Monetary) For Period Debit ifrs-full:CostOfSales
761 Depletion, depreciation, and amortization Concept (Monetary) For Period Debit ifrs-full:DepreciationAndAmortisationExpense
762 Mine operating earnings (loss) Concept (Monetary) For Period Credit ag:MineOperatingEarnings
763 Capital expenditures Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets
764 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
765 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
766 067 - Disclosure - Note 6 - Revenues (Details Textual) Network

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767 Statement Table [Table] Table

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768 Counterparty Name [Axis] Axis srt:CounterpartyNameAxis
769 Counterparty Name [Domain] Member srt:RepurchaseAgreementCounterpartyNameDomain
770 Sandstorm Gold Ltd. [member] Member ag:SandstormGoldLtdMember
771 Wheaton Precious Metals International Ltd. [member] Member ag:WheatonPreciousMetalsInternationalLtdMember
772 Segments [axis] Axis ifrs-full:SegmentsAxis
773 Segments [member] Member ifrs-full:SegmentsMember
774 Mexico - Santa Elena [member] Member ag:MexicoSantaElenaMember
775 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
776 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
777 Annual inflation [member] Member ag:AnnualInflationMember
778 Legal Entity [Axis] Axis dei:LegalEntityAxis
779 Entity [Domain] Member dei:EntityDomain
780 Statement Line Items [Line Items] LineItems ag:StatementLineItems
781 Deferred income Concept (Monetary) As Of Credit ifrs-full:DeferredIncome
782 Increase (decrease) through cumulative catch-up adjustments to revenue arising from change in estimate of transaction price, contract liabilities Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughCumulativeCatchupAdjustmentsToRevenueArisingFromChangeInEstimateOfTransactionPriceContractLiabilities
783 Percent of gold production required to be sold Concept (Percent) As Of ag:PercentOfGoldProductionRequiredToBeSold
784 Purchase agreement, annual inflation increase, percent Concept (Percent) For Period ag:PurchaseAgreementAnnualInflationIncreasePercent
785 Gold sold during period Concept (num:massItemType) For Period ag:GoldSoldDuringPeriod
786 Gold sold during period, average price Concept (Monetary) For Period Credit ag:GoldSoldDuringPeriodAveragePrice
787 Purchase agreement, cumulative gold ounces delivered, threshold Concept (num:massItemType) As Of ag:PurchaseAgreementCumulativeGoldOuncesDeliveredThreshold
788 Gold, selling price, per ounce Concept (Monetary) For Period Credit ag:GoldSellingPricePerOunce
789 New stream agreement, percentage of gold equivalent production, counter party Concept (Percent) For Period ag:NewStreamAgreementPercentageOfGoldEquivalentProductionCounterParty
790 New stream agreement, ongoing payments, upper range limit Concept (Monetary) As Of Credit ag:NewStreamAgreementOngoingPaymentsUpperRangeLimit
791 New stream agreement, percentage of annual inflation adjustment Concept (Percent) For Period ag:NewStreamAgreementPercentageOfAnnualInflationAdjustment
792 Ounces of gold delivered during period Concept (Integer) For Period ag:OuncesOfGoldDeliveredDuringPeriod
793 Ounces of silver delivered during period Concept (Integer) For Period ag:OuncesOfSilverDeliveredDuringPeriod
794 Per-ounce price of silver delivered during the period Concept (Monetary) For Period Credit ag:PerOuncePriceOfSilverDeliveredDuringThePeriod
795 068 - Disclosure - Note 6 - Revenues - Disclosure of Detailed Information About Revenues (Details) Network

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796 Statement Table [Table] Table

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797 Product and Service [Axis] Axis srt:ProductOrServiceAxis
798 Product and Service [Domain] Member srt:ProductsAndServicesDomain
799 Doré [member] Member ag:DoreMember
800 Concentrate [member] Member ag:ConcentrateMember
801 Silver [member] Member ag:SilverMember
802 Gold [member] Member ag:GoldMember
803 Lead [member] Member ag:LeadMember
804 Zinc [member] Member ag:ZincMember
805 Legal Entity [Axis] Axis dei:LegalEntityAxis
806 Entity [Domain] Member dei:EntityDomain
807 Statement Line Items [Line Items] LineItems ag:StatementLineItems
808 Doré Concept (Monetary) For Period Credit ag:RevenueFromSaleOfMetalsGrossDore
809 Percentage of revenue Concept (Percent) For Period ifrs-full:PercentageOfEntitysRevenue
810 Concentrate Concept (Monetary) For Period Credit ag:RevenueFromSaleOfMetalsGrossConcentrate
811 Gross revenue Concept (Monetary) For Period Credit ag:RevenueFromSaleOfMetalsGross
812 Silver Concept (Monetary) For Period Credit ifrs-full:RevenueFromSaleOfSilver
813 Gold Concept (Monetary) For Period Credit ifrs-full:RevenueFromSaleOfGold
814 Lead Concept (Monetary) For Period Credit ag:RevenueFromSaleOfLead
815 Zinc Concept (Monetary) For Period Credit ag:RevenueFromSaleOfZinc
816 Gross revenue Concept (Monetary) For Period Credit ag:RevenueFromSaleOfMetalsGross
817 Less: smelting and refining costs Concept (Monetary) For Period Debit ag:SmeltingAndRefiningCosts
818 Revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
819 069 - Disclosure - Note 7 - Cost of Sales (Details Textual) Network

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820 Statement Table [Table] Table

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821 Legal Entity [Axis] Axis dei:LegalEntityAxis
822 Entity [Domain] Member dei:EntityDomain
823 Statement Line Items [Line Items] LineItems ag:StatementLineItems
824 Silver equivalent ounces in inventory of refinery in bankruptcy Concept (Integer) As Of ag:SilverEquivalentOuncesInInventoryOfRefineryInBankruptcy
825 070 - Disclosure - Note 7 - Cost of Sales - Disclosure of Detailed Information About Cost of Sales (Details) Network

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826 Statement Table [Table] Table

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827 Legal Entity [Axis] Axis dei:LegalEntityAxis
828 Entity [Domain] Member dei:EntityDomain
829 Statement Line Items [Line Items] LineItems ag:StatementLineItems
830 Consumables and materials Concept (Monetary) For Period Debit ifrs-full:RawMaterialsAndConsumablesUsed
831 Labour costs Concept (Monetary) For Period Debit ag:LabourCosts
832 Energy Concept (Monetary) For Period Debit ifrs-full:EnergyExpense
833 Other costs Concept (Monetary) For Period Debit ag:OtherProductionCosts
834 Production costs Concept (Monetary) For Period Debit ag:ProductionCosts
835 Transportation and other selling costs Concept (Monetary) For Period Debit ifrs-full:TransportationExpense
836 Workers participation costs Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
837 Environmental duties and royalties Concept (Monetary) For Period Debit ag:EnvironmentalDutiesAndRoyalties
838 Inventory changes Concept (Monetary) For Period Debit ifrs-full:CostOfMerchandiseSold
839 Inventory loss due to Republic Metals Refining Corp. bankruptcy(1) Concept (Monetary) For Period Debit ag:InventoryLossDueToRefineryBankruptcy
840 Standby costs during stoppage at the La Encantada mine Concept (Monetary) For Period Debit ag:StandbyCostsDuringStoppageAtTheLaEncantadaMine
841 Concept (Monetary) For Period Debit ifrs-full:CostOfSales
842 071 - Disclosure - Note 8 - General and Administrative Expenses - Disclosure of Expenses (Details) Network

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843 Statement Table [Table] Table

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844 Legal Entity [Axis] Axis dei:LegalEntityAxis
845 Entity [Domain] Member dei:EntityDomain
846 Statement Line Items [Line Items] LineItems ag:StatementLineItems
847 Corporate administration Concept (Monetary) For Period Debit ag:CorporateAdministration
848 Salaries and benefits Concept (Monetary) For Period Debit ifrs-full:WagesAndSalaries
849 Audit, legal and professional fees Concept (Monetary) For Period Debit ifrs-full:ProfessionalFeesExpense
850 Filing and listing fees Concept (Monetary) For Period Debit ifrs-full:FeeAndCommissionExpense
851 Directors fees and expenses Concept (Monetary) For Period Debit ifrs-full:DirectorsRemunerationExpense
852 Depreciation Concept (Monetary) For Period Debit ifrs-full:DepreciationExpense
853 Concept (Monetary) For Period Debit ifrs-full:SellingGeneralAndAdministrativeExpense
854 072 - Disclosure - Note 9 - Investment and Other Loss - Disclosure of Finance Income (Cost) (Details) Network

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855 Statement Table [Table] Table

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856 Legal Entity [Axis] Axis dei:LegalEntityAxis
857 Entity [Domain] Member dei:EntityDomain
858 Statement Line Items [Line Items] LineItems ag:StatementLineItems
859 Interest income and other Concept (Monetary) For Period Credit ifrs-full:RevenueFromInterest
860 Loss from investment in marketable securities (Note 14) Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss
861 Gain from investment in silver futures derivatives Concept (Monetary) For Period Credit ifrs-full:GainsOnChangeInFairValueOfDerivatives
862 Concept (Monetary) For Period Credit ifrs-full:InvestmentIncome
863 073 - Disclosure - Note 10 - Finance Costs - Disclosure of Interest Expense (Details) Network

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864 Statement Table [Table] Table

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865 Legal Entity [Axis] Axis dei:LegalEntityAxis
866 Entity [Domain] Member dei:EntityDomain
867 Statement Line Items [Line Items] LineItems ag:StatementLineItems
868 Debt facilities (Note 19) Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnBorrowings
869 Equipment financing obligations (Note 20) Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnFinanceLeases
870 Accretion of decommissioning liabilities Concept (Monetary) For Period Debit ag:AccretionOfDecommissioningLiabilities
871 Silver sales and other Concept (Monetary) For Period Debit ag:InterestAndAccretionExpenseOnSilverSalesAndOther
872 Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
873 074 - Disclosure - Note 11 - Loss Per Share (Details Textual) Network

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874 Statement Table [Table] Table

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875 Legal Entity [Axis] Axis dei:LegalEntityAxis
876 Entity [Domain] Member dei:EntityDomain
877 Statement Line Items [Line Items] LineItems ag:StatementLineItems
878 Instruments with potential future dilutive effect not included in calculation of diluted earnings per share, options Concept (Shares) For Period ag:InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareOptions
879 Instruments with potential future dilutive effect not included in calculation of diluted earnings per share, common shares issuable under convertible debentures Concept (Shares) For Period ag:InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareCommonSharesIssuableUnderConvertibleDebentures
880 075 - Disclosure - Note 11 - Loss Per Share - Earnings Per Share (Details) Network

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881 Statement Table [Table] Table

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882 Legal Entity [Axis] Axis dei:LegalEntityAxis
883 Entity [Domain] Member dei:EntityDomain
884 Statement Line Items [Line Items] LineItems ag:StatementLineItems
885 Net loss for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
886 Weighted average number of shares on issue - basic and diluted(1) (in shares) Concept (Shares) For Period ifrs-full:AdjustedWeightedAverageShares
887 Loss per share - basic (in dollars per share) Concept (Share) For Period ifrs-full:BasicEarningsLossPerShare
888 Loss per share - diluted (in dollars per share) Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShare
889 076 - Disclosure - Note 12 - Trade and Other Receivables - Disclosure of Detailed Information About Trade and Other Receivables (Details) Network

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890 Statement Table [Table] Table

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891 Legal Entity [Axis] Axis dei:LegalEntityAxis
892 Entity [Domain] Member dei:EntityDomain
893 Statement Line Items [Line Items] LineItems ag:StatementLineItems
894 Trade receivables Concept (Monetary) As Of Debit ifrs-full:TradeReceivables
895 Other Concept (Monetary) As Of Debit ifrs-full:OtherReceivables
896 Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
897 077 - Disclosure - Note 13 - Inventories (Details Textual) Network

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898 Statement Table [Table] Table

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899 Legal Entity [Axis] Axis dei:LegalEntityAxis
900 Entity [Domain] Member dei:EntityDomain
901 Statement Line Items [Line Items] LineItems ag:StatementLineItems
902 Inventory loss due to refinery bankruptcy Concept (Monetary) For Period Debit ag:InventoryLossDueToRefineryBankruptcy
903 Inventory write-down Concept (Monetary) For Period ifrs-full:InventoryWritedown2011
904 078 - Disclosure - Note 13 - Inventories - Disclosure of Detailed Information About Inventories (Details) Network

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905 Statement Table [Table] Table

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ag:StatementTable
906 Legal Entity [Axis] Axis dei:LegalEntityAxis
907 Entity [Domain] Member dei:EntityDomain
908 Statement Line Items [Line Items] LineItems ag:StatementLineItems
909 Finished goods - doré and concentrates Concept (Monetary) As Of Debit ifrs-full:FinishedGoods
910 Work-in-process Concept (Monetary) As Of Debit ifrs-full:WorkInProgress
911 Stockpile Concept (Monetary) As Of Debit ifrs-full:CurrentOreStockpiles
912 Silver coins and bullion Concept (Monetary) As Of Debit ag:SilverCoinsAndBullion
913 Materials and supplies Concept (Monetary) As Of Debit ifrs-full:CurrentMaterialsAndSuppliesToBeConsumedInProductionProcessOrRenderingServices
914 Concept (Monetary) As Of Debit ifrs-full:Inventories
915 079 - Disclosure - Note 14 - Other Financial Assets (Details Textual) Network

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916 Statement Table [Table] Table

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ag:StatementTable
917 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
918 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
919 Futures contract [member] Member ifrs-full:FuturesContractMember
920 Legal Entity [Axis] Axis dei:LegalEntityAxis
921 Entity [Domain] Member dei:EntityDomain
922 Statement Line Items [Line Items] LineItems ag:StatementLineItems
923 Gains (losses) on available-for-sale financial assets Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnAvailableforsaleFinancialAssets
924 Other comprehensive income, net of tax, available-for-sale financial assets Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxAvailableforsaleFinancialAssets
925 Silver future contracts, long position, number Concept (Integer) As Of ag:SilverFutureContractsLongPositionNumber
926 Silver future contracts, long position, number of ounces of silver Concept (Integer) As Of ag:SilverFutureContractsLongPositionNumberOfOuncesOfSilver
927 Derivative financial assets Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
928 Derivative financial assets, unrealized gain Concept (Monetary) As Of Debit ag:DerivativeFinancialAssetsUnrealizedGain
929 Derivate financial assets, deposits Concept (Monetary) As Of Debit ag:DerivativeFinancialAssetsDeposits
930 080 - Disclosure - Note 14 - Other Financial Assets - Disclosure of Fair Value of Financial Instruments (Details) Network

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931 Statement Table [Table] Table

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ag:StatementTable
932 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
933 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
934 First Mining Gold Corp. (TSX FF) [member] Member ag:FirstMiningGoldCorpTSXFFMember
935 Sprott Physical Silver Trust (NYSE PSLV) [member] Member ag:SprottPhysicalSilverTrustNYSEPSLVMember
936 Legal Entity [Axis] Axis dei:LegalEntityAxis
937 Entity [Domain] Member dei:EntityDomain
938 Statement Line Items [Line Items] LineItems ag:StatementLineItems
939 FVTPL marketable securities Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
940 FVTOCI marketable securities Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome
941 Total marketable securities Concept (Monetary) As Of Debit ag:TotalMarketableSecurities
942 Silver future derivatives Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
943 Total other financial assets Concept (Monetary) As Of Debit ifrs-full:OtherCurrentFinancialAssets
944 081 - Disclosure - Note 15 - Mining Interests (Details Textual) Network

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945 Statement Table [Table] Table

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ag:StatementTable
946 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
947 Counterparties [member] Member ifrs-full:CounterpartiesMember
948 Wheaton Precious Metals International Ltd. [member] Member ag:WheatonPreciousMetalsInternationalLtdMember
949 Counterparty Name [Axis] Axis srt:CounterpartyNameAxis
950 Counterparty Name [Domain] Member srt:RepurchaseAgreementCounterpartyNameDomain
951 Sandstorm Gold Ltd. [member] Member ag:SandstormGoldLtdMember
952 Segments [axis] Axis ifrs-full:SegmentsAxis
953 Segments [member] Member ifrs-full:SegmentsMember
954 Mexico - Santa Elena [member] Member ag:MexicoSantaElenaMember
955 Mexico - Del Toro [member] Member ag:MexicoDelToroMember
956 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
957 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
958 Annual inflation [member] Member ag:AnnualInflationMember
959 Legal Entity [Axis] Axis dei:LegalEntityAxis
960 Entity [Domain] Member dei:EntityDomain
961 Statement Line Items [Line Items] LineItems ag:StatementLineItems
962 New stream agreement, percentage of gold equivalent production, counter party Concept (Percent) For Period ag:NewStreamAgreementPercentageOfGoldEquivalentProductionCounterParty
963 New stream agreement, ongoing payments, upper range limit Concept (Monetary) As Of Credit ag:NewStreamAgreementOngoingPaymentsUpperRangeLimit
964 New stream agreement, percentage of annual inflation adjustment Concept (Percent) For Period ag:NewStreamAgreementPercentageOfAnnualInflationAdjustment
965 Percent of gold production required to be sold Concept (Percent) As Of ag:PercentOfGoldProductionRequiredToBeSold
966 Gold, selling price, per ounce Concept (Monetary) For Period Credit ag:GoldSellingPricePerOunce
967 Purchase agreement, annual inflation increase, percent Concept (Percent) For Period ag:PurchaseAgreementAnnualInflationIncreasePercent
968 Land acquired during period Concept (num:areaItemType) For Period ag:LandAcquiredDuringPeriod
969 Land acquisition exploration costs to be incurred Concept (Monetary) For Period Debit ag:LandAcquisitionExplorationCostsToBeIncurred
970 Land acquisition NSR royalty on related concessions Concept (Percent) As Of ag:LandAcquisitionNSRRoyaltyOnRelatedConcessions
971 Land Concept (Monetary) As Of Debit ifrs-full:Land
972 Payments for land Concept (Monetary) For Period Credit ag:PaymentsForLand
973 Amounts owed for land acquisition, due in one year Concept (Monetary) As Of Credit ag:AmountsOwedForLandAcquisitionDueInOneYear
974 Amounts owed for land acquisition, due in two years Concept (Monetary) As Of Credit ag:AmountsOwedForLandAcquisitionDueInTwoYears
975 Amounts owing for land acqusition Concept (Monetary) As Of Credit ag:AmountsOwingForLandAcqusition
976 082 - Disclosure - Note 15 - Mining Interests - Disclosure of Detailed Information About Mining Interests (Details) Network

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977 Statement Table [Table] Table

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ag:StatementTable
978 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
979 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
980 Producing properties [member] Member ag:ProducingPropertiesMember
981 Exploration properties [member] Member ag:ExplorationPropertiesMember
982 Legal Entity [Axis] Axis dei:LegalEntityAxis
983 Entity [Domain] Member dei:EntityDomain
984 Statement Line Items [Line Items] LineItems ag:StatementLineItems
985 Mining interests Concept (Monetary) As Of Debit ifrs-full:AssetsArisingFromExplorationForAndEvaluationOfMineralResources
986 083 - Disclosure - Note 15 - Mining Interests - Disclosure of Detailed Information About Mining Interests, Producing Properties (Details) Network

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987 Statement Table [Table] Table

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ag:StatementTable
988 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
989 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
990 Producing properties [member] Member ag:ProducingPropertiesMember
991 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
992 Carrying amount [member] Member ifrs-full:CarryingAmountMember
993 Gross carrying amount [member] Member ifrs-full:GrossCarryingAmountMember
994 Accumulated depreciation, amortisation and impairment [member] Member ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember
995 Segments [axis] Axis ifrs-full:SegmentsAxis
996 Segments [member] Member ifrs-full:SegmentsMember
997 Mexico - San Dimas [member] Member ag:MexicoSanDimasMember
998 Mexico - Santa Elena [member] Member ag:MexicoSantaElenaMember
999 Mexico - La Encantada [member] Member ag:MexicoLaEncantadaMember
1000 Mexico - La Parrilla [member] Member ag:MexicoLaParrillaMember
1001 Mexico - Del Toro [member] Member ag:MexicoDelToroMember
1002 Mexico - San Martin [member] Member ag:MexicoSanMartinMember
1003 Mexico - La Guitarra [member] Member ag:MexicoLaGuitarraMember
1004 Legal Entity [Axis] Axis dei:LegalEntityAxis
1005 Entity [Domain] Member dei:EntityDomain
1006 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1007 Beginning mining interests Concept (Monetary) As Of Debit ifrs-full:AssetsArisingFromExplorationForAndEvaluationOfMineralResources
1008 Additions Concept (Monetary) For Period Debit ag:AdditionsOtherThanThroughBusinessCombinationsMiningInterests
1009 Change in decommissioning liabilities Concept (Monetary) For Period Debit ag:ChangeInDecommissioningLiabilitiesMiningInterests
1010 Acquired from Primero (Note 4) Concept (Monetary) For Period Debit ag:AdditionsThroughBusinessCombinationsMiningInterests
1011 Transfer from exploration properties Concept (Monetary) For Period Debit ag:IncreaseDecreaseThroughTransfersMiningInterests
1012 Depletion and amortization Concept (Monetary) For Period Debit ag:DepletionAndAmortizationMiningInterests
1013 Impairment (Note 17) Concept (Monetary) For Period Debit ag:ImpairmentLossRecognisedInProfitOrLossMiningInterests
1014 Ending mining interests Concept (Monetary) As Of Debit ifrs-full:AssetsArisingFromExplorationForAndEvaluationOfMineralResources
1015 084 - Disclosure - Note 15 - Mining Interests - Disclosure of Detailed Information About Mining Interests, Exploration Properties (Details) Network

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1016 Statement Table [Table] Table

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ag:StatementTable
1017 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1018 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
1019 Exploration properties [member] Member ag:ExplorationPropertiesMember
1020 Segments [axis] Axis ifrs-full:SegmentsAxis
1021 Segments [member] Member ifrs-full:SegmentsMember
1022 Mexico - San Dimas [member] Member ag:MexicoSanDimasMember
1023 Mexico - Santa Elena [member] Member ag:MexicoSantaElenaMember
1024 Mexico - La Encantada [member] Member ag:MexicoLaEncantadaMember
1025 Mexico - La Parrilla [member] Member ag:MexicoLaParrillaMember
1026 Mexico - Del Toro [member] Member ag:MexicoDelToroMember
1027 Mexico - San Martin [member] Member ag:MexicoSanMartinMember
1028 Mexico - La Guitarra [member] Member ag:MexicoLaGuitarraMember
1029 All other segments [member] Member ifrs-full:AllOtherSegmentsMember
1030 Legal Entity [Axis] Axis dei:LegalEntityAxis
1031 Entity [Domain] Member dei:EntityDomain
1032 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1033 Beginning mining interests Concept (Monetary) As Of Debit ifrs-full:AssetsArisingFromExplorationForAndEvaluationOfMineralResources
1034 Exploration and evaluation expenditures Concept (Monetary) For Period Debit ag:ExplorationAndEvaluationExpenditures
1035 Impairment (Note 17) Concept (Monetary) For Period Debit ag:ImpairmentLossRecognisedInProfitOrLossMiningInterests
1036 Transfer from exploration properties Concept (Monetary) For Period Debit ag:IncreaseDecreaseThroughTransfersMiningInterests
1037 Ending mining interests Concept (Monetary) As Of Debit ifrs-full:AssetsArisingFromExplorationForAndEvaluationOfMineralResources
1038 085 - Disclosure - Note 16 - Property, Plant and Equipment (Details Textual) Network

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1039 Statement Table [Table] Table

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ag:StatementTable
1040 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1041 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
1042 Land not subject to depreciation [member] Member ag:LandNotSubjectToDepreciationMember
1043 Legal Entity [Axis] Axis dei:LegalEntityAxis
1044 Entity [Domain] Member dei:EntityDomain
1045 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1046 Property, plant and equipment at end of period Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1047 086 - Disclosure - Note 16 - Property, Plant, and Equipment - Disclosure of Detailed Information About Property, Plant and Equipment (Details) Network

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1048 Statement Table [Table] Table

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ag:StatementTable
1049 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1050 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1051 Gross carrying amount [member] Member ifrs-full:GrossCarryingAmountMember
1052 Accumulated depreciation, amortisation and impairment [member] Member ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember
1053 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1054 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
1055 Land and buildings [member] Member ifrs-full:LandAndBuildingsMember
1056 Machinery and Equipment [member] Member ag:MachineryAndEquipmentMember
1057 Assets under construction [member] Member ag:AssetsUnderConstructionMember
1058 Other property, plant and equipment [member] Member ifrs-full:OtherPropertyPlantAndEquipmentMember
1059 Legal Entity [Axis] Axis dei:LegalEntityAxis
1060 Entity [Domain] Member dei:EntityDomain
1061 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1062 Beginning property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1063 Additions Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
1064 Transfers and disposals Concept (Monetary) For Period Credit ag:DisposalsAndTransfersPropertyPlantAndEquipment
1065 Acquired from Primero (Note 4) Concept (Monetary) For Period Debit ifrs-full:AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment
1066 Depreciation and amortization Concept (Monetary) For Period ifrs-full:DepreciationPropertyPlantAndEquipment
1067 Impairment (Note 17) Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
1068 Ending property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1069 087 - Disclosure - Note 16 - Property, Plant and Equipment - Disclosure of Detailed Information About Property, Plant and Equipment, Allocated By Mine (Details) Network

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1070 Statement Table [Table] Table

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ag:StatementTable
1071 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1072 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1073 Gross carrying amount [member] Member ifrs-full:GrossCarryingAmountMember
1074 Accumulated depreciation, amortisation and impairment [member] Member ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember
1075 Segments [axis] Axis ifrs-full:SegmentsAxis
1076 Segments [member] Member ifrs-full:SegmentsMember
1077 Mexico - San Dimas [member] Member ag:MexicoSanDimasMember
1078 Mexico - Santa Elena [member] Member ag:MexicoSantaElenaMember
1079 Mexico - La Encantada [member] Member ag:MexicoLaEncantadaMember
1080 Mexico - La Parrilla [member] Member ag:MexicoLaParrillaMember
1081 Mexico - Del Toro [member] Member ag:MexicoDelToroMember
1082 Mexico - San Martin [member] Member ag:MexicoSanMartinMember
1083 Mexico - La Guitarra [member] Member ag:MexicoLaGuitarraMember
1084 All other segments [member] Member ifrs-full:AllOtherSegmentsMember
1085 Legal Entity [Axis] Axis dei:LegalEntityAxis
1086 Entity [Domain] Member dei:EntityDomain
1087 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1088 Beginning property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1089 Additions Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
1090 Transfers and disposals Concept (Monetary) For Period Credit ag:DisposalsAndTransfersPropertyPlantAndEquipment
1091 Acquired from Primero (Note 4) Concept (Monetary) For Period Debit ifrs-full:AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment
1092 Depreciation and amortization Concept (Monetary) For Period ifrs-full:DepreciationPropertyPlantAndEquipment
1093 Transfers and disposals Concept (Monetary) For Period Credit ag:DisposalsAndTransfersPropertyPlantAndEquipment
1094 Impairment (Note 17) Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
1095 Ending property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1096 088 - Disclosure - Note 17 - Impairment of Non-current Assets (Details Textual) Network

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1097 Statement Table [Table] Table

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ag:StatementTable
1098 Legal Entity [Axis] Axis dei:LegalEntityAxis
1099 Entity [Domain] Member dei:EntityDomain
1100 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1101 Discount rate applied to cash flow projections Concept (Percent) As Of ifrs-full:DescriptionOfDiscountRatesAppliedToCashFlowProjections
1102 089 - Disclosure - Note 17 - Impairment of Non-current Assets - Disclosure of Impairment Loss (Details) Network

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1103 Statement Table [Table] Table

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1104 Segments [axis] Axis ifrs-full:SegmentsAxis
1105 Segments [member] Member ifrs-full:SegmentsMember
1106 Mexico - La Parrilla [member] Member ag:MexicoLaParrillaMember
1107 Mexico - Del Toro [member] Member ag:MexicoDelToroMember
1108 Mexico - La Guitarra [member] Member ag:MexicoLaGuitarraMember
1109 Legal Entity [Axis] Axis dei:LegalEntityAxis
1110 Entity [Domain] Member dei:EntityDomain
1111 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1112 Impairment of non-current assets Concept (Monetary) For Period Debit ifrs-full:ImpairmentLoss
1113 Deferred income tax recovery Concept (Monetary) For Period Credit ag:DeferredIncomeTaxRecoveryImpairmentOfNoncurrentAssets
1114 Impairment of non-current assets, net of tax Concept (Monetary) For Period Debit ag:ImpairmentLossNetOfTax
1115 090 - Disclosure - Note 17 - Impairment of Non-current Assets - Disclosure of Impairment Loss In Respect of Each Operating Segment Or Project (Details) Network

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1116 Statement Table [Table] Table

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ag:StatementTable
1117 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1118 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
1119 Producing properties [member] Member ag:ProducingPropertiesMember
1120 Exploration properties [member] Member ag:ExplorationPropertiesMember
1121 Property, plant and equipment other than mining interests [member] Member ag:PropertyPlantAndEquipmentOtherThanMiningInterestsMember
1122 Segments [axis] Axis ifrs-full:SegmentsAxis
1123 Segments [member] Member ifrs-full:SegmentsMember
1124 Mexico - La Parrilla [member] Member ag:MexicoLaParrillaMember
1125 Mexico - Del Toro [member] Member ag:MexicoDelToroMember
1126 Mexico - La Guitarra [member] Member ag:MexicoLaGuitarraMember
1127 Legal Entity [Axis] Axis dei:LegalEntityAxis
1128 Entity [Domain] Member dei:EntityDomain
1129 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1130 Impairment of non-current assets Concept (Monetary) For Period Debit ifrs-full:ImpairmentLoss
1131 091 - Disclosure - Note 17 - Impairment of Non-current Assets - Explanation of Inputs, Assumptions and Estimation Techniques Used to Apply Impairment Requirements (Details) Network

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1132 Statement Table [Table] Table

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ag:StatementTable
1133 Maturity [axis] Axis ifrs-full:MaturityAxis
1134 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1135 The 2019 to 2022 average [member] Member ag:The2019To2022AverageMember
1136 Long-term [member] Member ag:LongtermMember
1137 The 2018-2021 average [member] Member ag:The20182021AverageMember
1138 Measurement [axis] Axis ifrs-full:MeasurementAxis
1139 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
1140 Silver (per ounce) [member] Member ag:SilverPerOunceMember
1141 Gold (per ounce) [member] Member ag:GoldPerOunceMember
1142 Lead (per pound) [member] Member ag:LeadPerPoundMember
1143 Zinc (per pound) [member] Member ag:ZincPerPoundMember
1144 Legal Entity [Axis] Axis dei:LegalEntityAxis
1145 Entity [Domain] Member dei:EntityDomain
1146 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1147 Average commodity price Concept (Monetary) For Period Debit ag:AverageCommodityPrice
1148 092 - Disclosure - Note 18 - Trade and Other Payables - Disclosure of Other Current Liabilities (Details) Network

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1149 Statement Table [Table] Table

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ag:StatementTable
1150 Legal Entity [Axis] Axis dei:LegalEntityAxis
1151 Entity [Domain] Member dei:EntityDomain
1152 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1153 Trade payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherPayablesToTradeSuppliers
1154 Trade related accruals Concept (Monetary) As Of Credit ifrs-full:Accruals
1155 Payroll and related benefits Concept (Monetary) As Of Credit ifrs-full:ShorttermEmployeeBenefitsAccruals
1156 Environmental duty Concept (Monetary) As Of Credit ifrs-full:ShorttermProvisionForDecommissioningRestorationAndRehabilitationCosts
1157 Other accrued liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentAccruedExpensesAndOtherCurrentLiabilities
1158 Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
1159 093 - Disclosure - Note 19 - Debt Facilities (Details Textual) Network

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1160 Statement Table [Table] Table

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ag:StatementTable
1161 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1162 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1163 Five year convertible debentures [member] Member ag:FiveYearConvertibleDebenturesMember
1164 Revolving credit facility with three lenders [member] Member ag:RevolvingCreditFacilityWithThreeLendersMember
1165 Term loan [member] Member ag:TermLoanMember
1166 Revolving credit facility [member] Member ag:RevolvingCreditFacilityMember
1167 Primero Debt Facilities [Member] Member ag:PrimeroDebtFacilitiesMember
1168 Convertible debentures [Member] Member ag:ConvertibleDebenturesMember
1169 Range [axis] Axis ifrs-full:RangeAxis
1170 Ranges [member] Member ifrs-full:RangesMember
1171 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
1172 Top of range [member] Member ifrs-full:TopOfRangeMember
1173 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
1174 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
1175 Floating interest rate [member] Member ifrs-full:FloatingInterestRateMember
1176 London inter-bank offer rate [member] Member ag:LondonInterbankOfferRateMember
1177 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
1178 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
1179 Primero Mining Corp. [member] Member ag:PrimeroMiningCorpMember
1180 Legal Entity [Axis] Axis dei:LegalEntityAxis
1181 Entity [Domain] Member dei:EntityDomain
1182 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1183 Proceeds from issuing convertible debentures Concept (Monetary) For Period Debit ag:ProceedsFromIssuingConvertibleDebentures
1184 Proceeds from issuing convertible debentures, net Concept (Monetary) For Period Debit ag:ProceedsFromIssuingConvertibleDebenturesNet
1185 Payments of transaction costs for borrowings Concept (Monetary) For Period Credit ag:PaymentsOfTransactionCostsForBorrowings
1186 Borrowings, maturity Concept (Text/String) For Period ifrs-full:BorrowingsMaturity
1187 Borrowings, interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1188 Convertible debentures, conversion rate per $1000 Concept (Shares) For Period ag:ConvertibleDebenturesConversionRatePer1000
1189 Convertible debentures, conversion price per share Concept (Share) For Period ag:ConvertibleDebenturesConversionPricePerShare
1190 Convertible debentures, earliest redemption date Concept (Date) For Period ag:ConvertibleDebenturesEarliestRedemptionDate
1191 Convertible debentures, share price threshold Concept (Percent) For Period ag:ConvertibleDebenturesSharePriceThreshold
1192 Convertible debentures, fair value of the debt portion Concept (Monetary) As Of Credit ag:ConvertibleDebenturesFairValueOfTheDebtPortion
1193 Convertible debentures, fair value of debt portion, discounted cash flow model method, expected life Concept (xbrli:durationItemType) For Period ag:ConvertibleDebenturesFairValueOfDebtPortionDiscountedCashFlowModelMethodExpectedLife
1194 Convertible debentures, fair value of debt portion, discounted cash flow model method, discount rate Concept (Percent) As Of ag:ConvertibleDebenturesFairValueOfDebtPortionDiscountedCashFlowModelMethodDiscountRate
1195 Convertible debentures, fair value component, effective interest rate Concept (Percent) As Of ag:ConvertibleDebenturesFairValueComponentEffectiveInterestRate
1196 Reserve of equity component of convertible instruments Concept (Monetary) As Of Credit ifrs-full:ReserveOfEquityComponentOfConvertibleInstruments
1197 Reserve of equity component of convertible instruments, deferred tax liability Concept (Monetary) As Of Credit ag:ReserveOfEquityComponentOfConvertibleInstrumentsDeferredTaxLiability
1198 Amortizable transaction costs Concept (Monetary) As Of Debit ag:AmortizableTransactionCosts
1199 Borrowings available under line of credit Concept (Monetary) As Of Credit ag:BorrowingsAvailableUnderLineOfCredit
1200 Line of credit, term Concept (xbrli:durationItemType) For Period ag:LineOfCreditTerm
1201 Borrowings, interest rate basis Concept (Text/String) For Period ifrs-full:BorrowingsInterestRateBasis
1202 Borrowings, adjustment to interest rate basis Concept (Percent) As Of ifrs-full:BorrowingsAdjustmentToInterestRateBasis
1203 Line of credit, standby fee, percentage of undrawn portion Concept (Percent) As Of ag:LineOfCreditStandbyFeePercentageOfUndrawnPortion
1204 Revolving credit facility assumed from acquisition Concept (Monetary) As Of Credit ag:RevolvingCreditFacilityAssumedFromAcquisition
1205 Covenant leverage ratio based on total debt to rolling four quarters adjusted EBITDA Concept (Pure) For Period ag:CovenantLeverageRatioBasedOnTotalDebtToRollingFourQuartersAdjustedEBITDA
1206 Interest Coverage Ratio Covenant Concept (Pure) As Of ag:InterestCoverageRatioCovenant
1207 Tangible Net worth threshold covenants Concept (Monetary) As Of Debit ag:TangibleNetWorthThresholdCovenants
1208 Tangible net worth threshold, covenants, percentage of positive earnings added to tangible net worth Concept (Percent) For Period ag:TangibleNetWorthThresholdCovenantsPercentageOfPositiveEarningsAddedToTangibleNetWorth
1209 Equipment financing obligations, maximum available Concept (Monetary) As Of Credit ag:EquipmentFinancingObligationsMaximumAvailable
1210 Total borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
1211 Borrowings, periodic payment Concept (Monetary) For Period Debit ag:BorrowingsPeriodicPayment
1212 Revolving credit facility, undrawn standby fee Concept (Percent) As Of ag:RevolvingCreditFacilityUndrawnStandbyFee
1213 Borrowings through business acquisition Concept (Monetary) For Period Debit ag:BorrowingsThroughBusinessAcquisition
1214 Repayments of borrowings Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
1215 094 - Disclosure - Note 19 - Debt Facilities - Disclosure of Detailed Information About Debt Activity (Details) Network

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1216 Statement Table [Table] Table

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ag:StatementTable
1217 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1218 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1219 Five year convertible debentures [member] Member ag:FiveYearConvertibleDebenturesMember
1220 Revolving credit facility with three lenders [member] Member ag:RevolvingCreditFacilityWithThreeLendersMember
1221 Scotia Debt Facilities [Member] Member ag:ScotiaDebtFacilitiesMember
1222 Primero Debt Facilities [Member] Member ag:PrimeroDebtFacilitiesMember
1223 Legal Entity [Axis] Axis dei:LegalEntityAxis
1224 Entity [Domain] Member dei:EntityDomain
1225 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1226 Debt facilities, balance Concept (Monetary) As Of Credit ifrs-full:Borrowings
1227 Interest and accretion expense Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnDebtInstrumentsIssued
1228 Repayments of principal Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfNoncurrentBorrowings
1229 Repayments of finance costs Concept (Monetary) For Period Credit ifrs-full:PaymentsForDebtIssueCosts
1230 Net proceeds from debt financing Concept (Monetary) For Period Debit ifrs-full:ProceedsFromNoncurrentBorrowings
1231 Borrowings through business acquisition Concept (Monetary) For Period Debit ag:BorrowingsThroughBusinessAcquisition
1232 Portion allocated to equity reserves Concept (Monetary) For Period Debit ag:BorrowingsPortionAllocatedToEquityReserve
1233 Accretion Concept (Monetary) For Period Debit ag:AccretionExpense
1234 Current portion of debt facilities Concept (Monetary) As Of Credit ifrs-full:ShorttermBorrowings
1235 Non-current portion of debt facilities Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
1236 095 - Disclosure - Note 20 - Equipment Financing Obligations (Details Textual) Network

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1237 Statement Table [Table] Table

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ag:StatementTable
1238 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1239 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1240 Finance leases [member] Member ag:FinanceLeasesMember
1241 Equipment Financing [member] Member ag:EquipmentFinancingMember
1242 Range [axis] Axis ifrs-full:RangeAxis
1243 Ranges [member] Member ifrs-full:RangesMember
1244 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
1245 Top of range [member] Member ifrs-full:TopOfRangeMember
1246 Legal Entity [Axis] Axis dei:LegalEntityAxis
1247 Entity [Domain] Member dei:EntityDomain
1248 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1249 Lease terms Concept (xbrli:durationItemType) For Period ag:LeaseTerms
1250 Borrowings, interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1251 Property, plant and equipment, pledged as security Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipmentPledgedAsSecurity
1252 Proceeds from equipment financing obligations Concept (Monetary) For Period Debit ag:ProceedsFromEquipmentFinancingObligations
1253 Quarterly lease terms Concept (Integer) For Period ag:QuarterlyLeaseTerms
1254 Borrowings, adjustment to interest rate basis Concept (Percent) As Of ifrs-full:BorrowingsAdjustmentToInterestRateBasis
1255 096 - Disclosure - Note 20 - Equipment Financing Obligations - Disclosure of Equipment Financing Obligations (Details) Network

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1256 Statement Table [Table] Table

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*

ag:StatementTable
1257 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1258 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1259 Finance leases [member] Member ag:FinanceLeasesMember
1260 Equipment Financing [member] Member ag:EquipmentFinancingMember
1261 Legal Entity [Axis] Axis dei:LegalEntityAxis
1262 Entity [Domain] Member dei:EntityDomain
1263 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1264 Balance Concept (Monetary) As Of Credit ifrs-full:LeaseLiabilities
1265 Net proceeds from equipment financing Concept (Monetary) For Period Debit ag:ProceedsFromEquipmentFinancingObligations
1266 Finance costs Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnLeaseLiabilities
1267 Repayments of principal Concept (Monetary) For Period Credit ifrs-full:CashOutflowForLeases
1268 Repayments of finance costs Concept (Monetary) For Period Debit ifrs-full:OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities
1269 Current portion of equipment financing obligations Concept (Monetary) As Of Credit ifrs-full:CurrentLeaseLiabilities
1270 Non-current portion of equipment financing obligations Concept (Monetary) As Of Credit ifrs-full:NoncurrentLeaseLiabilities
1271 097 - Disclosure - Note 21 - Decommissioning Liabilities (Details Textual) Network

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1272 Statement Table [Table] Table

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ag:StatementTable
1273 Range [axis] Axis ifrs-full:RangeAxis
1274 Ranges [member] Member ifrs-full:RangesMember
1275 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
1276 Top of range [member] Member ifrs-full:TopOfRangeMember
1277 Legal Entity [Axis] Axis dei:LegalEntityAxis
1278 Entity [Domain] Member dei:EntityDomain
1279 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1280 Discount rate used in current estimate of value in use Concept (Percent) As Of ifrs-full:DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse
1281 Historical inflation rate Concept (Percent) As Of ag:HistoricalInflationRate
1282 098 - Disclosure - Note 21 - Decommissioning Liabilities - Disclosure of Detailed Information About Decommissioning Liability (Details) Network

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1283 Statement Table [Table] Table

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ag:StatementTable
1284 Segments [axis] Axis ifrs-full:SegmentsAxis
1285 Segments [member] Member ifrs-full:SegmentsMember
1286 Mexico - San Dimas [member] Member ag:MexicoSanDimasMember
1287 Mexico - Santa Elena [member] Member ag:MexicoSantaElenaMember
1288 Mexico - La Encantada [member] Member ag:MexicoLaEncantadaMember
1289 Mexico - San Martin [member] Member ag:MexicoSanMartinMember
1290 Mexico - La Parrilla [member] Member ag:MexicoLaParrillaMember
1291 Mexico - Del Toro [member] Member ag:MexicoDelToroMember
1292 Mexico - La Guitarra [member] Member ag:MexicoLaGuitarraMember
1293 La Luz [member] Member ag:LaLuzMember
1294 Legal Entity [Axis] Axis dei:LegalEntityAxis
1295 Entity [Domain] Member dei:EntityDomain
1296 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1297 Beginning decommissioning liabilities Concept (Monetary) As Of Credit ifrs-full:LongtermProvisionForDecommissioningRestorationAndRehabilitationCosts
1298 Change in rehabilitation provision Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesOtherProvisions
1299 Interest or accretion expense Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions
1300 Foreign exchange loss Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions
1301 Acquired from Primero Concept (Monetary) For Period Credit ifrs-full:AcquisitionsThroughBusinessCombinationsOtherProvisions
1302 Reclamation costs incurred Concept (Monetary) For Period Debit ag:DecreaseThroughReclamationCostsOtherProvisions
1303 Ending decommissioning liabilities Concept (Monetary) As Of Credit ifrs-full:LongtermProvisionForDecommissioningRestorationAndRehabilitationCosts
1304 099 - Disclosure - Note 22 - Income Taxes (Details Textual) Network

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1305 Statement Table [Table] Table

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ag:StatementTable
1306 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1307 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1308 Entities that have had a loss for tax purposes in either 2016 or 2015, or both [member] Member ag:EntitiesThatHaveHadALossForTaxPurposesInEither2016Or2015OrBothMember
1309 Legal Entity [Axis] Axis dei:LegalEntityAxis
1310 Entity [Domain] Member dei:EntityDomain
1311 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1312 Net deferred tax assets Concept (Monetary) As Of Debit ifrs-full:NetDeferredTaxAssets
1313 Deductible temporary differences for which no deferred tax asset is recognised Concept (Monetary) As Of ifrs-full:DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised
1314 100 - Disclosure - Note 22 - Income Taxes - Disclosure of Detailed Information About Effective Income Tax Expense Recovery (Details) Network

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1315 Statement Table [Table] Table

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ag:StatementTable
1316 Legal Entity [Axis] Axis dei:LegalEntityAxis
1317 Entity [Domain] Member dei:EntityDomain
1318 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1319 Loss before tax Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
1320 Combined statutory tax rate Concept (Percent) For Period ifrs-full:ApplicableTaxRate
1321 Income tax recovery computed at statutory tax rate Concept (Monetary) For Period Debit ifrs-full:TaxExpenseIncomeAtApplicableTaxRate
1322 Effect of different foreign statutory tax rates on earnings of subsidiaries Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfForeignTaxRates
1323 Impact of foreign exchange on deferred income tax assets and liabilities Concept (Monetary) For Period Debit ag:ImpactOfForeignExchangeOnDeferredIncomeTaxAssetsAndLiabilities
1324 Change in unrecognized deferred income tax asset Concept (Monetary) For Period Debit ag:ChangeInUnrecognizedDeferredIncomeTaxAsset
1325 Tax effect of mining in Mexico Concept (Monetary) For Period Debit ag:TaxEffectOfMiningRoyaltyInMexico
1326 Other non-deductible expenses Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss
1327 Impact of inflationary adjustments Concept (Monetary) For Period Debit ifrs-full:TaxEffectFromChangeInTaxRate
1328 Change in tax provision estimates Concept (Monetary) For Period Debit ag:TaxEffectOfChangeInTaxProvisionEstimates
1329 Impact of post acquisition Primero restructure Concept (Monetary) For Period Debit ag:ImpactOfPostAcquisitionAndRestructure
1330 Other Concept (Monetary) For Period Debit ifrs-full:OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome
1331 Income tax recovery Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1332 Current income tax expense Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncome
1333 Deferred income tax recovery Concept (Monetary) For Period Debit ifrs-full:DeferredTaxExpenseIncome
1334 Effective tax rate Concept (Percent) For Period ifrs-full:AverageEffectiveTaxRate
1335 101 - Disclosure - Note 22 - Income Taxes - Disclosure of Detailed Information About Effective Income Tax Expense Recovery (Details) (Parentheticals) Network

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1336 Statement Table [Table] Table

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ag:StatementTable
1337 Legal Entity [Axis] Axis dei:LegalEntityAxis
1338 Entity [Domain] Member dei:EntityDomain
1339 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1340 7.5% mining royalty in Mexico Concept (Percent) For Period ag:MiningRoyaltyInMexico
1341 102 - Disclosure - Note 22 - Income Taxes - Disclosure of Deferred Taxes (Details) Network

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1342 Statement Table [Table] Table

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ag:StatementTable
1343 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1344 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1345 Losses [member] Member ag:LossesMember
1346 Provisions [member] Member ag:ProvisionsMember
1347 Deferred tax asset not recognized [member] Member ag:DeferredTaxAssetNotRecognizedMember
1348 Other deferred tax assets [member] Member ag:OtherDeferredTaxAssetsMember
1349 Property, plant and equipment and mining interests [member] Member ag:PropertyPlantAndEquipmentAndMiningInterestsMember
1350 Effect of Mexican tax deconsolidation [member] Member ag:EffectOfMexicanTaxDeconsolidationMember
1351 Other deferred tax liabilities [member] Member ag:OtherDeferredTaxLiabilitiesMember
1352 Legal Entity [Axis] Axis dei:LegalEntityAxis
1353 Entity [Domain] Member dei:EntityDomain
1354 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1355 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
1356 Deferred tax assets Concept (Monetary) As Of Credit ag:DeferredTaxAssetNotRecognized
1357 (Expense) benefit to income statement Concept (Monetary) For Period Debit ag:DeferredTaxIncomeExpenseRecognisedInProfitOrLossDeferredTaxAssets
1358 Acquired from Primero (Note 4) Concept (Monetary) For Period Debit ag:IncreaseThroughBusinessCombinationsDeferredTaxAsset
1359 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
1360 Deferred tax assets Concept (Monetary) As Of Credit ag:DeferredTaxAssetNotRecognized
1361 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
1362 (Benefit) expense to income statement Concept (Monetary) For Period Credit ag:DeferredTaxIncomeExpenseRecognisedInProfitOrLossDeferredTaxLiabilities
1363 Reclassed to current income taxes payable Concept (Monetary) For Period Debit ag:DeferredIncomeTaxLiabilitiesReclassedToCurrentIncomeTaxesPayable
1364 Acquired from Primero (Note 4) Concept (Monetary) For Period Credit ag:IncreaseThroughBusinessCombinationsDeferredTaxLiabilities
1365 Charged to equity Concept (Monetary) For Period Credit ag:ChargedToEquityDeferredTaxLiabilities
1366 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
1367 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:NetDeferredTaxAssets
1368 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:NetDeferredTaxLiabilities
1369 Deferred tax (assets) liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
1370 103 - Disclosure - Note 22 - Income Taxes - Disclosure of Detailed Information About Deferred Tax Assets Expiration (Details) Network

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1371 Statement Table [Table] Table

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ag:StatementTable
1372 Geographical [Axis] Axis srt:StatementGeographicalAxis
1373 Geographical [Domain] Member srt:SegmentGeographicalDomain
1374 CANADA Member country:CA
1375 SWITZERLAND Member country:CH
1376 MEXICO Member country:MX
1377 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1378 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1379 The 2018 expiration year [member] Member ag:The2018ExpirationYearMember
1380 The 2019 expiration year [member] Member ag:The2019ExpirationYearMember
1381 The 2020 expiration year [member] Member ag:The2020ExpirationYearMember
1382 The 2021 expiration year [member] Member ag:The2021ExpirationYearMember
1383 The 2022 expiration year [member] Member ag:The2022ExpirationYearMember
1384 The 2023 expiration year [member] Member ag:The2023ExpirationYearMember
1385 The 2024 expiration year [member] Member ag:The2024ExpirationYearMember
1386 The 2025 expiration year [member] Member ag:The2025ExpirationYearMember
1387 The 2026 expiration year [member] Member ag:The2026ExpirationYearMember
1388 The 2027 expiration year [member] Member ag:The2027ExpirationYearMember
1389 The 2028 and after expiration years [member] Member ag:The2028AndAfterExpirationYearsMember
1390 Legal Entity [Axis] Axis dei:LegalEntityAxis
1391 Entity [Domain] Member dei:EntityDomain
1392 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1393 Non-capital losses Concept (Monetary) As Of Debit ag:NonCapitalLosses
1394 Unrecognized losses Concept (Monetary) As Of ifrs-full:UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised
1395 104 - Disclosure - Note 23 - Share Capital (Details Textual) Network

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1396 Statement Table [Table] Table

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ag:StatementTable
1397 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1398 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
1399 Vesting on first anniversary [member] Member ag:VestingOnFirstAnniversaryMember
1400 Vesting on each six months thereafter [member] Member ag:VestingOnEachSixMonthsThereafterMember
1401 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
1402 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
1403 Primero Mining Corp. [member] Member ag:PrimeroMiningCorpMember
1404 Legal Entity [Axis] Axis dei:LegalEntityAxis
1405 Entity [Domain] Member dei:EntityDomain
1406 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1407 Par value per share Concept (Share) As Of ifrs-full:ParValuePerShare
1408 Total increase (decrease) in number of shares outstanding Concept (Shares) For Period ifrs-full:IncreaseDecreaseInNumberOfSharesOutstanding
1409 Weighted average share price Concept (Monetary) For Period ifrs-full:WeightedAverageSharePrice
1410 Percent of shares reserved for issuance under share based compensation plan Concept (Percent) For Period ag:PercentOfSharesReservedForIssuanceUnderShareBasedCompensationPlan
1411 Maximum term of options granted for share-based payment arrangement Concept (xbrli:durationItemType) For Period ag:MaximumTermOfOptionsGrantedForSharebasedPaymentArrangement
1412 Vesting percentage for share-based payment arrangement Concept (Percent) For Period ag:VestingPercentageForSharebasedPaymentArrangement
1413 Number of replacement stock options issued Concept (Shares) As Of ag:NumberOfReplacementStockOptionsIssued
1414 Fair value share options granted Concept (Monetary) For Period Credit ag:FairValueShareOptionsGranted
1415 Weighted average fair value at measurement date, share options granted Concept (Monetary) As Of Credit ifrs-full:WeightedAverageFairValueAtMeasurementDateShareOptionsGranted
1416 Weighted average share price share options exercised Concept (Monetary) For Period Credit ag:WeightedAverageSharePriceShareOptionsExercised
1417 Number of replacement warrants issued Concept (Shares) As Of ag:NumberOfReplacementWarrantsIssued
1418 Replacement warrants issued, exercise price Concept (Share) For Period ag:ReplacementWarrantsIssuedExercisePrice
1419 Share repurchase program, authorized shares, percentage of shares issued and outstanding Concept (Percent) For Period ag:ShareRepurchaseProgramAuthorizedSharesPercentageOfSharesIssuedAndOutstanding
1420 Decrease in number of shares outstanding, shares repurchased and cancelled Concept (Shares) For Period ag:DecreaseInNumberOfSharesOutstandingSharesRepurchasedAndCancelled
1421 Decrease through shares repurchased and cancelled Concept (Monetary) For Period Debit ag:DecreaseThroughSharesRepurchasedAndCancelled
1422 Decrease in number of shares outstanding shares repurchased for delisting Concept (Shares) For Period ag:DecreaseInNumberOfSharesOutstandingSharesRepurchasedForDelisting
1423 Decrease through shares repurchased for delisting Concept (Monetary) For Period Debit ag:DecreaseThroughSharesRepurchasedForDelisting
1424 105 - Disclosure - Note 23 - Share Capital - Disclosure of Range of Exercise Prices of Outstanding Share Options (Details) Network

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1425 Statement Table [Table] Table

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ag:StatementTable
1426 Ranges of exercise prices for outstanding share options [axis] Axis ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsAxis
1427 Ranges of exercise prices for outstanding share options [member] Member ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsMember
1428 Range 1 [member] Member ag:Range1Member
1429 Range 2 [member] Member ag:Range2Member
1430 Range 3 [member] Member ag:Range3Member
1431 Range 4 [member] Member ag:Range4Member
1432 Range 5 [member] Member ag:Range5Member
1433 Range [axis] Axis ifrs-full:RangeAxis
1434 Ranges [member] Member ifrs-full:RangesMember
1435 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
1436 Top of range [member] Member ifrs-full:TopOfRangeMember
1437 Legal Entity [Axis] Axis dei:LegalEntityAxis
1438 Entity [Domain] Member dei:EntityDomain
1439 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1440 Exercise price of outstanding share options Concept (Monetary) As Of ifrs-full:ExercisePriceOfOutstandingShareOptions
1441 Number of options outstanding in share-based payment arrangement Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
1442 Weighted average exercise price of share options outstanding in share-based payment arrangement Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
1443 Weighted average remaining contractual life of outstanding share options Concept (Decimal) As Of ifrs-full:WeightedAverageRemainingContractualLifeOfOutstandingShareOptions
1444 Number of share options exercisable in share-based payment arrangement Concept (Decimal) As Of ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement
1445 Weighted average exercise price of share options exercisable in share-based payment arrangement Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement
1446 Weighted average remaining contractual life of exercisable share options Concept (Decimal) As Of ag:WeightedAverageRemainingContractualLifeOfExercisableShareOptions
1447 106 - Disclosure - Note 23 - Share Capital - Disclosure of Number and Weighted Average Exercise Prices of Share Options (Details) Network

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1448 Statement Table [Table] Table

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ag:StatementTable
1449 Legal Entity [Axis] Axis dei:LegalEntityAxis
1450 Entity [Domain] Member dei:EntityDomain
1451 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1452 Balance, beginning of the year Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
1453 Weighted average exercise price of share options outstanding in share-based payment arrangement Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
1454 Granted(1) Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
1455 Granted, weighted average exercise price Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement
1456 Exercised Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
1457 Exercised, weighted average exercise price Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement
1458 Cancelled or expired Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsExpiredInSharebasedPaymentArrangement
1459 Cancelled or expired, weighted average exercise price Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement
1460 Balance, end of the year Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
1461 107 - Disclosure - Note 23 - Share Capital - Disclosure of Detailed Information About Options, Valuation Assumptions (Details) Network

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1462 Statement Table [Table] Table

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ag:StatementTable
1463 Legal Entity [Axis] Axis dei:LegalEntityAxis
1464 Entity [Domain] Member dei:EntityDomain
1465 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1466 Risk-free interest rate (%) Concept (Percent) For Period ifrs-full:DescriptionOfRiskFreeInterestRateShareOptionsGranted
1467 Expected life (years) Concept (Decimal) For Period ifrs-full:DescriptionOfOptionLifeShareOptionsGranted
1468 Expected volatility (%) Concept (Percent) For Period ifrs-full:DescriptionOfExpectedVolatilityShareOptionsGranted
1469 Expected dividend yield (%) Concept (Percent) For Period ifrs-full:ExpectedDividendAsPercentageShareOptionsGranted
1470 108 - Disclosure - Note 24 - Financial Instruments and Related Risk Management (Details Textual) Network

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1471 Statement Table [Table] Table

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ag:StatementTable
1472 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
1473 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
1474 Primero Mining Corp. [member] Member ag:PrimeroMiningCorpMember
1475 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1476 Risks [member] Member ifrs-full:TypesOfRisksMember
1477 Market risk [member] Member ifrs-full:MarketRiskMember
1478 Legal Entity [Axis] Axis dei:LegalEntityAxis
1479 Entity [Domain] Member dei:EntityDomain
1480 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1481 Current value added tax receivables Concept (Monetary) As Of Debit ifrs-full:CurrentValueAddedTaxReceivables
1482 Value added tax receivables, recovered outstanding amount Concept (Monetary) As Of Debit ag:ValueAddedTaxReceivablesRecoveredOutstandingAmount
1483 Working capital Concept (Monetary) As Of Debit ag:WorkingCapital
1484 Available liquidity Concept (Monetary) As Of Debit ag:AvailableLiquidity
1485 Available liquidity, undrawn revolving credit facility Concept (Monetary) As Of Debit ag:AvailableLiquidityUndrawnRevolvingCreditFacility
1486 Interest Rate Risk Sensitivity Concept (Percent) As Of ag:InterestRateRiskSensitivity
1487 109 - Disclosure - Note 24 - Financial Instruments and Related Risk Management - Disclosure of Detailed Information About Financial Instruments (Details) Network

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1488 Statement Table [Table] Table

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ag:StatementTable
1489 Levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1490 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
1491 Carrying value [member] Member ag:CarryingValueMember
1492 Level 1 of fair value hierarchy [member] Member ifrs-full:Level1OfFairValueHierarchyMember
1493 Level 2 of fair value hierarchy [member] Member ifrs-full:Level2OfFairValueHierarchyMember
1494 Legal Entity [Axis] Axis dei:LegalEntityAxis
1495 Entity [Domain] Member dei:EntityDomain
1496 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1497 Trade receivables Concept (Monetary) As Of Debit ifrs-full:TradeReceivables
1498 Other financial assets Concept (Monetary) As Of Debit ifrs-full:OtherCurrentFinancialAssets
1499 Silver future derivatives Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
1500 110 - Disclosure - Note 24 - Financial Instruments and Related Risk Management - Disclosure of Detailed Information About Capital Risk Management (Details) Network

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1501 Statement Table [Table] Table

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ag:StatementTable
1502 Legal Entity [Axis] Axis dei:LegalEntityAxis
1503 Entity [Domain] Member dei:EntityDomain
1504 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1505 Equity Concept (Monetary) As Of Credit ifrs-full:Equity
1506 Debt facilities, balance Concept (Monetary) As Of Credit ifrs-full:Borrowings
1507 Equipment financing obligations Concept (Monetary) As Of Credit ifrs-full:MinimumFinanceLeasePaymentsPayableAtPresentValue
1508 Less: cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1509 Concept (Monetary) As Of Credit ag:Capital
1510 111 - Disclosure - Note 24 - Financial Instruments and Related Risk Management - Disclosure of Financial Liabilities (Details) Network

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1511 Statement Table [Table] Table

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ag:StatementTable
1512 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1513 Risks [member] Member ifrs-full:TypesOfRisksMember
1514 Contractual cash flows [member] Member ag:ContractualCashFlowsMember
1515 Less than 1 year [member] Member ag:LessThan1YearMember
1516 From 1 to 3 years [member] Member ag:From1To3YearsMember
1517 From 4 to 5 years [member] Member ag:From4To5YearsMember
1518 After 5 years [member] Member ag:After5YearsMember
1519 Legal Entity [Axis] Axis dei:LegalEntityAxis
1520 Entity [Domain] Member dei:EntityDomain
1521 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1522 Trade and other payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
1523 Debt facilities, balance Concept (Monetary) As Of Credit ifrs-full:Borrowings
1524 Equipment financing obligations Concept (Monetary) As Of Credit ifrs-full:MinimumFinanceLeasePaymentsPayableAtPresentValue
1525 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentLiabilities
1526 Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilities
1527 112 - Disclosure - Note 24 - Financial Instruments and Related Risk Management - Disclosure of Detailed Information About Currency Risk (Details) Network

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1528 Statement Table [Table] Table

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ag:StatementTable
1529 Currency [Axis] Axis srt:CurrencyAxis
1530 All Currencies [Domain] Member currency:AllCurrenciesDomain
1531 Canada, Dollars Member currency:CAD
1532 Mexico, Pesos Member currency:MXN
1533 Amounts in foreign currencies [member] Member ag:AmountsInForeignCurrenciesMember
1534 Legal Entity [Axis] Axis dei:LegalEntityAxis
1535 Entity [Domain] Member dei:EntityDomain
1536 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1537 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1538 Trade and other receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
1539 Value added taxes receivable Concept (Monetary) As Of Debit ifrs-full:CurrentValueAddedTaxReceivables
1540 Other financial assets Concept (Monetary) As Of Debit ifrs-full:OtherCurrentFinancialAssets
1541 Trade and other payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
1542 Silver future derivatives Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
1543 Net assets (liabilities) exposure Concept (Monetary) As Of ifrs-full:ValueAtRisk
1544 Effect of 10% change in currency Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInFairValueMeasurementDueToChangeInOneOrMoreUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsAssets
1545 113 - Disclosure - Note 24 - Financial Instruments and Related Risk Management - Disclosure of Detailed Information About Price Risk (Details) Network

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1546 Statement Table [Table] Table

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ag:StatementTable
1547 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1548 Risks [member] Member ifrs-full:TypesOfRisksMember
1549 Commodity price risk [member] Member ifrs-full:CommodityPriceRiskMember
1550 Types of contracts [axis] Axis ifrs-full:TypesOfContractsAxis
1551 Types of contracts [member] Member ifrs-full:TypesOfContractsMember
1552 Metals subject to provisional price adjustments [member] Member ag:MetalsSubjectToProvisionalPriceAdjustmentsMember
1553 Metals in dore and concentrates inventory [member] Member ag:MetalsInDoreAndConcentratesInventoryMember
1554 Products and services [axis] Axis ifrs-full:ProductsAndServicesAxis
1555 Products and services [member] Member ifrs-full:ProductsAndServicesMember
1556 Silver [member] Member ag:SilverMember
1557 Gold [member] Member ag:GoldMember
1558 Lead [member] Member ag:LeadMember
1559 Zinc [member] Member ag:ZincMember
1560 Legal Entity [Axis] Axis dei:LegalEntityAxis
1561 Entity [Domain] Member dei:EntityDomain
1562 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1563 Effect of a 10% change in metal prices Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInFairValueMeasurementDueToChangeInOneOrMoreUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsAssets
1564 114 - Disclosure - Note 25 - Supplemental Cash Flow Information - Disclosure of Detailed Information About Supplemental Cash Flow (Details) Network

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1565 Statement Table [Table] Table

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ag:StatementTable
1566 Legal Entity [Axis] Axis dei:LegalEntityAxis
1567 Entity [Domain] Member dei:EntityDomain
1568 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1569 Unrealized foreign exchange loss (gain) and other Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
1570 Unrealized loss from marketable securities and silver futures derivatives Concept (Monetary) For Period Debit ag:LossGainFromSilverDerivativesAndMarketableSecurities
1571 Concept (Monetary) For Period Debit ifrs-full:AdjustmentsToReconcileProfitLossOtherThanChangesInWorkingCapital
1572 Decrease in trade and other receivables Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable
1573 Increase in value added taxes receivable Concept (Monetary) For Period Debit ag:AdjustmentsForDecreaseIncreaseInValueAddedTaxesReceivable
1574 Decrease in inventories Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInInventories
1575 Decrease (increase) in prepaid expenses and other Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInOtherCurrentAssets
1576 Decrease in income taxes payable Concept (Monetary) For Period Debit ag:AdjustmentsForIncreaseDecreaseInIncomeTaxesPayables
1577 (Decrease) increase in trade and other payables Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables
1578 Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInWorkingCapital
1579 Transfer of share-based payments reserve upon exercise of options Concept (Monetary) For Period Debit ag:TransferOfShareBasedPaymentsReserveUponExerciseOfOptions
1580 Settlement of liabilities Concept (Monetary) For Period Credit ag:NonCashSettlementOfLiabilities
1581 Concept (Monetary) For Period Debit ifrs-full:OtherMaterialNoncashItems
1582 115 - Disclosure - Note 26 - Contingencies and Other Matters (Details Textual) Network

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1583 Statement Table [Table] Table

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ag:StatementTable
1584 Segments [axis] Axis ifrs-full:SegmentsAxis
1585 Segments [member] Member ifrs-full:SegmentsMember
1586 Mexico - San Dimas [member] Member ag:MexicoSanDimasMember
1587 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
1588 Counterparties [member] Member ifrs-full:CounterpartiesMember
1589 Wheaton Precious Metals International Ltd. [member] Member ag:WheatonPreciousMetalsInternationalLtdMember
1590 Legal Entity [Axis] Axis dei:LegalEntityAxis
1591 Entity [Domain] Member dei:EntityDomain
1592 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1593 Gains on litigation settlements Concept (Monetary) For Period Credit ifrs-full:GainsOnLitigationSettlements
1594 Proceeds from litigation settlement Concept (Monetary) For Period Debit ag:ProceedsFromLitigationSettlement
1595 Estimated financial effect of contingent assets Concept (Monetary) As Of ifrs-full:EstimatedFinancialEffectOfContingentAssets
1596 Percent of silver production required to be sold Concept (Percent) For Period ag:PercentOfSilverProductionRequiredToBeSold
1597 Maximum silver production required to be sold Concept (Integer) For Period ag:MaximumSilverProductionRequiredToBeSold
1598 Silver, selling price, per ounce Concept (Monetary) For Period Credit ag:SilverSellingPricePerOunce
1599 Purchase agreement, annual inflation increase, percent Concept (Percent) For Period ag:PurchaseAgreementAnnualInflationIncreasePercent
1600 Potential incremental income tax before interest and penalties Concept (Monetary) For Period Debit ag:PotentialIncrementalIncomeTaxBeforeInterestAndPenalties
1601 Non-current income taxes receivable Concept (Monetary) As Of Debit ag:NoncurrentIncomeTaxesReceivable
1602 116 - Disclosure - Note 27 - Subsidiaries - Disclosure of Subsidiaries (Details) Network

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1603 Statement Table [Table] Table

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ag:StatementTable
1604 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1605 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1606 First Majestic Silver Corp. [member] Member ag:FirstMajesticSilverCorpMember
1607 Corporacion First Majestic, S.A. de C.V [member] Member ag:CorporacionFirstMajesticSADeCVMember
1608 Primero Empresa Minera, S.A de C.V. [Member] Member ag:PrimeroEmpresaMineraSaDeCvMember
1609 Nusantara de Mexico, S.A. de C.V. [member] Member ag:NusantaraDeMexicoSADeCVMember
1610 Minera La Encantada, S.A. de C.V. [member] Member ag:MineraLaEncantadaSADeCVMember
1611 La Encantada Procesadora de Minerales, S.A. de C.V. [member] Member ag:LaEncantadaProcesadoraDeMineralesSADeCVMember
1612 First Majestic Plata, S.A. de C.V. [member] Member ag:FirstMajesticPlataSADeCVMember
1613 Minera El Pilon, S.A. de C.V. [member] Member ag:MineraElPilonSADeCVMember
1614 First Majestic Del Toro, S.A. de C.V. [member] Member ag:FirstMajesticDelToroSADeCVMember
1615 La Guitarra Compania Minera, S.A. de C.V. [member] Member ag:LaGuitarraCompaniaMineraSADeCVMember
1616 Majestic Services, S.A. de C.V. [member] Member ag:MajesticServicesSADeCVMember
1617 Santa Elena Oro y Plata, S.A. de C.V. [member] Member ag:SantaElenaOroYPlataSADeCVMember
1618 FM Metal Trading (Barbados) Ltd [Member] Member ag:FmMetalTradingBarbadosLtdMember
1619 Silver Trading (Barbados) Ltd. [Member] Member ag:SilverTradingBarbadosLtdMember
1620 FMS Trading AG [member] Member ag:FMSTradingAGMember
1621 Legal Entity [Axis] Axis dei:LegalEntityAxis
1622 Entity [Domain] Member dei:EntityDomain
1623 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1624 Proportion of ownership interest in subsidiary Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInSubsidiary
1625 117 - Disclosure - Note 28 - Key Management Compensation - Disclosure of Information About Key Management Personnel (Details) Network

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1626 Statement Table [Table] Table

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ag:StatementTable
1627 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1628 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1629 Independent members of the board of directors [member] Member ag:IndependentMembersOfTheBoardOfDirectorsMember
1630 Other members of key management [member] Member ag:OtherMembersOfKeyManagementMember
1631 Legal Entity [Axis] Axis dei:LegalEntityAxis
1632 Entity [Domain] Member dei:EntityDomain
1633 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1634 Salaries, bonuses, fees and benefits Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits
1635 Share-based payments Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationSharebasedPayment
1636 Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensation
1637 118 - Disclosure - Note 29 - Subsequent Events (Details Textual) Network

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1638 Statement Table [Table] Table

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ag:StatementTable
1639 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
1640 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
1641 Prospectus supplement [Member] Member ag:ProspectusSupplementMember
1642 Legal Entity [Axis] Axis dei:LegalEntityAxis
1643 Entity [Domain] Member dei:EntityDomain
1644 Statement Line Items [Line Items] LineItems ag:StatementLineItems
1645 Sale of Stock, authorized aggregate gross proceeds Concept (Monetary) For Period Credit ag:SaleOfStockAuthorizedAggregateGrossProceeds
1646 Total number of shares issued Concept (Shares) As Of ifrs-full:NumberOfSharesIssued
1647 Proceeds from issuing shares Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssuingShares
1648 Weighted average share price Concept (Monetary) For Period ifrs-full:WeightedAverageSharePrice

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