Delivery Obligation Scenario [Domain] Delivery Obligation Scenario [Domain] Delivery Obligation Scenario Redemptions of short-term investments (Note 6) Proceeds From Redemption Of Short Term Investments Proceeds From Redemption Of Short Term Investments Interest expense Interest expense Non-capital Losses Non-capital Losses [Member] Non-capital Losses Gold hedging program, refined gold market price (in dollars per ounce) Gold Hedging Program, Refined Gold Market Price Gold Hedging Program, Refined Gold Market Price Expenditures on mining interests: Purchase of property, plant and equipment, classified as investing activities Term of options granted (in years) Share-based Compensation Arrangement By Share-based Payment Award Expiration Period1 Share-based Compensation Arrangement By Share-based Payment Award, Expiration Period1 Proportion of ownership interests held by non-controlling interests (in percentage) Proportion of ownership interests held by non-controlling interests Entity File Number Entity File Number Delivery Obligation Scenario [Axis] Delivery Obligation Scenario [Axis] Delivery Obligation Scenario Mill and Process Plant Optimization Mill And Process Plant Optimization [Member] Mill And Process Plant Optimization Dividends paid Dividends paid, ordinary shares Schedule of long-term investments Schedule Of Long-Term Investments [Table Text Block] Schedule Of Long-Term Investments [Table Text Block] Lease liabilities terminated (derecognized) Lease Liabilities Terminated Lease Liabilities Terminated Deferred income tax recovery (Note 21) Deferred income tax recovery charged to statement of operations Deferred income tax expense/(recovery) Deferred income tax recovery charged to statement of operations Deferred tax expense (income) Mine restoration provisions settled (Note 13) Change in obligation Increase (decrease) in other provisions Levels of fair value hierarchy [domain] Levels of fair value hierarchy [domain] Unrealized gains Unrealized Gains Related Temporary Differences [Member] Unrealized Gains Related Temporary Differences [Member] Priority dividend rate to non-controlling interest Priority Dividend Rate, Non-Controlling Interest Priority Dividend Rate, Non-Controlling Interest Tax effect of impairment of cash-generating unit Tax Effect Of Impairment Of Cash-generating Unit Tax Effect Of Impairment Of Cash-generating Unit Intersegment Elimination of intersegment amounts [member] Disclosure Of General Information About Financial Statements [Abstract] Disclosure Of General Information About Financial Statements [Abstract] Disclosure Of General Information About Financial Statements [Abstract] 2028 Later than two years and not later than three years [member] Gold stream obligation Disclosure of financial instruments designated at fair value through profit or loss [text block] Unrealized losses on derivative instruments (Note 17) Adjustments for gains (losses) on change in fair value of derivatives Mine restoration provisions Description of accounting policy for decommissioning, restoration and rehabilitation provisions [text block] Gains on long-term investments, net of deferred income tax Gain on investments, net of deferred income tax (Note 8) Other comprehensive income, net of tax, gains (losses) from investments in equity instruments Ranges of exercise prices for outstanding share options [axis] Ranges of exercise prices for outstanding share options [axis] Disclosure of detailed information about borrowings [table] Disclosure of detailed information about borrowings [table] Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] [Line Items] for Disclosure Of Fair Value Measurement Of Assets And Liabilities [Table] Risk free interest rate, performance share unit (in percentage) Risk Free Interest Rate, Other Equity Instruments Granted Risk Free Interest Rate, Other Equity Instruments Granted Shares issued on vesting of RSUs and PSUs (in shares) Shares issued on vesting of share units (in shares) Vested and converted to common shares (in shares) Number of other equity instruments exercised or vested in share-based payment arrangement Schedule of investments in associates Disclosure of interests in associates [text block] Statement of comprehensive income [abstract] Statement of comprehensive income [abstract] Other Other Long-term Investments 1 [Member] Other Long-term Investments 1 Cash proceeds on sale of investment in associate (Note 10) Proceeds from sales of interests in associates Statement of changes in equity [line items] Statement of changes in equity [line items] Shareholders of the Company Other comprehensive income, attributable to owners of parent Total comprehensive income (loss) attributable to: Comprehensive income attributable to [abstract] Gold hedging program, minimum cumulative financial settlement Gold Hedging Program, Minimum Cumulative Financial Settlement Gold Hedging Program, Minimum Cumulative Financial Settlement Filminera Resources Corporation ("Masbate Mine") Filminera Resources Corporation [Member] Filminera Resources Corporation [Member] Current portion of derivative instruments (Note 17) Current portion of gold stream obligation Current derivative financial liabilities Change in inventories Change In Inventories Change In Inventories Statement of financial position [abstract] Statement of financial position [abstract] Other expense (Note 16) Other expense (Note 16) Other operating income (expense) Non-core Properties Non-core Properties [Member] Non-core Properties Cover [Abstract] Repurchase of common shares (Note 14) Payments to acquire or redeem entity's shares General And Administrative Costs General And Administrative Costs [Member] General And Administrative Costs [Member] Short-term investments (Note 6) Short-term Investment [Member] Short-term Investment Schedule of receivables, prepaids and other Schedule Of Accounts Receivable, Prepaids And Other [Table Text Block] Schedule Of Accounts Receivable, Prepaids And Other [Table Text Block] Revolving Credit Facility Revolving credit facility Revolving Credit Facility1 [Member] Revolving Credit Facility1 [Member] Opening balance Closing balance Tax Examination, Contingent Liability Accrual Tax Examination, Contingent Liability Accrual Fekola Regional, exploration Other Exploration, Fekola Regional [Member] Other Exploration, Fekola Regional Gold delivered Sales, fair value measurement, liabilities Financing activities Cash flows from (used in) financing activities [abstract] Contract liabilities [abstract] Classes of liabilities Classes of liabilities [domain] Reductions Tax Examination, Contingent Liability Accrual, Period Decrease Tax Examination, Contingent Liability Accrual, Period Decrease Total comprehensive income (loss) for the year Comprehensive income Deferred financing costs incurred Deferred Financing Costs Incurred Deferred Financing Costs Incurred Inventories [Abstract] Inventories [Abstract] Inventories [Abstract] In-process inventory Current work in progress Basis of preparation Disclosure of basis of preparation of financial statements [text block] Disclosure of components of cost of sales Disclosure Of Components Of Cost Of Sales [Table Text Block] Disclosure Of Components Of Cost Of Sales [Table Text Block] Interest disposed Investment In Associates Accounted For Using Equity Method, Decrease From Sale Of Associates' Shares Investment In Associates Accounted For Using Equity Method, Decrease From Sale Of Associates' Shares Document Fiscal Period Focus Document Fiscal Period Focus Value-added tax receivables Description of accounting policy for taxes other than income tax [text block] Debt repayments Repayments Of Line Of Credit And Other Borrowings Classified As Financing Activities Repayments Of Line Of Credit And Other Borrowings Classified As Financing Activities Share-based payments, capitalized to mining interests Share-based Payments Capitalized Share-based Payments Capitalized Number of quarterly installment payments Borrowings, Number Of Quarterly Installment Payments Borrowings, Number Of Quarterly Installment Payments Total assets Total assets Assets Other Other inflows (outflows) of cash, classified as investing activities Convertible senior secured notes Convertible Senior Unsecured Notes [Member] Convertible Senior Subordinated Notes [Member] Current and deferred income taxes Description of accounting policy for income tax [text block] Associates [domain] Associates [domain] Number of DSUs outstanding in share-based payment arrangement (in shares) Outstanding units, beginning of year (in shares) Outstanding units, end of year (in shares) Number of other equity instruments outstanding in share-based payment arrangement Calibre Calibre Mining Corp. [Member] Calibre Mining Corp. [Member] Business combinations Description of accounting policy for business combinations [text block] Current income tax, withholding and other taxes Current tax expense (income) and adjustments for current tax of prior periods Expected volatility, performance share unit (in percentage) Expected Volatility, Other Equity Instruments Granted Expected Volatility, Other Equity Instruments Granted Investment Name [Domain] Investment, Name [Domain] Long-term inventories (Note 7) Non-current inventories Non-current inventories Trading Symbol Trading Symbol Types of interest rates [axis] Types of interest rates [axis] Revenue Revenue Non-recoverable input taxes Adjustment For Non-recoverable Input Tax Expense Adjustment For Non-recoverable Input Tax Expense Schedule of other expense Schedule Of Other Operating Income (Expense) [Table Text Block] Schedule Of Other Operating Income (Expense) Entity Address, City or Town Entity Address, City or Town Forward contracts Forward contract [member] Share capital Issued capital [member] Other long-term liabilities Other non-current liabilities Classes of other provisions [domain] Classes of other provisions [domain] Compensation of key management Disclosure of information about key management personnel [text block] Non-cash interest and financing expense Borrowing costs recognised as expense Gain on sale of mining interests (Note 9) Gain on sale of mining interest Gain on sale of mining interests (Note 9) Gains (losses) on disposals of property, plant and equipment Entity Emerging Growth Company Entity Emerging Growth Company Expenditures on mining interests, projects Payments For Exploration And Evaluation Expenses, Investing Activities Capitalization of exploration and evaluation expenditures Description of accounting policy for exploration and evaluation expenditures [text block] Debt instrument, redemption price, percentage Convertible Debt, Redemption Price, Percentage Convertible Debt, Redemption Price, Percentage Nature of operations Disclosure of general information about financial statements [text block] Weighted average exercise price, options exercised (in Cdn.$per share) Weighted average share price for share options in share-based payment arrangement exercised during period at date of exercise Income tax expense at statutory rates Tax expense (income) at applicable tax rate Disclosure of number and weighted average remaining contractual life of outstanding share options Disclosure of number and weighted average remaining contractual life of outstanding share options [text block] Exercise price of outstanding options (in Cdn.$per share) Exercise price of outstanding share options Prepaid expenses Current prepaid expenses Construction-in-progress Construction in progress [member] Materials and supplies Noncurrent Raw Materials And Noncurrent Production Supplies Noncurrent Raw Materials And Noncurrent Production Supplies Assets Assets [abstract] Long-term investments (Note 8) Investments Non-current investments in equity instruments designated at fair value through other comprehensive income Disclosure Of Basis Of Preparation Of Financial Statements [Abstract] Disclosure Of Basis Of Preparation Of Financial Statements [Abstract] Disclosure Of Basis Of Preparation Of Financial Statements [Abstract] Current income and other taxes payable Adjustments For Increase (Decrease) In Current Tax Liabilities Adjustments For Increase (Decrease) In Current Tax Liabilities Prepaid royalties Current Royalty Prepayment Current Royalty Prepayment Current Current assets [abstract] Schedule of changes in gold stream obligation Explanation of significant changes in contract assets and contract liabilities [text block] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Disclosure Of Investment In Associates [Table] Disclosure Of Investment In Associates [Table] Disclosure Of Investment In Associates Versamet Versamet Royalties Corporation [Member] Versamet Royalties Corporation Additions Additions other than through business combinations, property, plant and equipment including right-of-use assets Income and other taxes Disclosure of income tax [text block] Document Information [Line Items] Document Information [Line Items] Exploration & evaluation assets Exploration and evaluation assets [member] Revenue Description of accounting policy for recognition of revenue [text block] Losses on change in fair value of derivatives Adjustment To Add Back Realized Loss On Derivative Instruments Adjustment To Add Back Realized Loss On Derivative Instruments Income Statement Location [Axis] Income Statement Location1 [Axis] Income Statement Location1 [Axis] Disclosure of number and weighted average exercise prices of share options Disclosure of number and weighted average exercise prices of share options [text block] Change in accruals for tax audits and settlement of income tax and customs assessments (Note 9) Tax Effect Of Tax Audits Accruals And Settlement Of Income Tax And Customs Assessments Tax Effect Of Tax Audits Accruals And Settlement Of Income Tax And Customs Assessments Non-recoverable input taxes Non-recoverable Input Tax Expense Non-recoverable Input Tax Expense Accretion expense Increase through adjustments arising from passage of time, other provisions Long-term investments (Note 8) Equity investments [member] Tranche 1 based on expected completion timing of Goose Project Tranche One Based On Expected Completion Timing Of A Mining Project [Member] Tranche One Based On Expected Completion Timing Of A Mining Project Investing activities Cash flows from (used in) investing activities [abstract] Deferred income tax recovery (Note 21) Adjustments for deferred tax expense Commodity price risk Commodity price risk [member] Additional ownership interests held by non-controlling interests Additional Ownership Interests Held by Non-controlling Interests Additional Ownership Interests Held by Non-controlling Interests BeMetals Corp. BeMetals Corp. [Member] BeMetals Corp. Convertible senior unsecured notes Dilutive effect of convertible instruments on weighted average number of ordinary shares Corporate   & Other   All other segments [member] Risk free annual interest rate Risk free interest rate, share options granted Types of financial assets Types of financial assets [domain] Losses on derivative instruments (Note 17) Gains on change in fair value of derivatives Gains (losses) on change in fair value of derivatives Share-based payments (Note 14) Increase (decrease) through share-based payment transactions, equity Gold steam obligation, delivery obligation, gold delivered, weight (in ounces) Gold Steam Obligation, Delivery Obligation, Gold Delivered, Weight Gold Steam Obligation, Delivery Obligation, Gold Delivered, Weight Non-current assets Non-current assets Proportion of ownership interest in associate Proportion of ownership interest in associate Award vesting percent Share-based Compensation By Share-based Payment Award, Other Equity Instruments Portion Vesting, Percent Share-based Compensation By Share-based Payment Award, Other Equity Instruments Portion Vesting, Percent Reconciliation of changes in other provisions [abstract] Reconciliation of changes in other provisions [abstract] Mine restoration provisions Provisions Related Temporary Differences [Member] Provisions Related Temporary Differences [Member] Other Mineral Properties Other Mineral Properties [Member] Other Mineral Properties [Member] Other operating expense Disclosure of other operating income (expense) [text block] Classes of property, plant and equipment [axis] Classes of property, plant and equipment [axis] Foreign exchange losses Foreign exchange (losses) gains on Fekola equipment loan facility Foreign exchange gain (loss) Assessment of impairment and reversal of impairment indicators for long-lived assets and impairment of long-lived assets Description of accounting policy for impairment of assets [text block] Cash-generating units [axis] Cash-generating units [axis] Classes of property, plant and equipment [domain] Classes of property, plant and equipment [domain] Entity Address, State or Province Entity Address, State or Province Repurchase and cancellation of shares Major ordinary share transactions [member] Disclosure of unrecognized temporary difference, unused tax losses and unused tax credits Disclosure Of Unrecognized Temporary Difference, Unused Tax Losses And Unused Tax Credits [Table Text Block] Disclosure Of Unrecognized Temporary Difference, Unused Tax Losses And Unused Tax Credits [Table Text Block] Effect of exchange rate changes on cash and cash equivalents Effect of exchange rate changes on cash and cash equivalents Foreign currency translation Description of accounting policy for foreign currency translation [text block] Mining interests Total Property, Plant And Equipment And Investments In Associates Accounted For Using The Equity Method Total Property, Plant And Equipment And Investments In Associates Accounted For Using The Equity Method 4.00 – 4.99 Exercise Price Range Three [Member] Exercise Price Range Three [Member] Prepaid gold sales, upfront payments received Contract Liability, Upfront Payments Received Contract Liability, Upfront Payments Received Disclosure of contingent liability related to tax audit Disclosure Of Contingent Liability Related To Tax Examination [Table Text Block] Disclosure Of Contingent Liability Related To Tax Examination Document Annual Report Document Annual Report Repayment of Borrowing Repayment Of Borrowing [Member] Repayment Of Borrowing Entities [Table] Entities [Table] Value-added and other tax receivables Current receivables from taxes other than income tax Equity investments owned, balance (in shares) Equity Investments Owned, Balance, Shares Equity Investments Owned, Balance, Shares Prepaid gold sales (Note 19) Non-current contract liabilities Mineral reserve and resource estimates Description Of Accounting Policy For Ore Reserve And Resource Estimates [Policy Text Block] Description Of Accounting Policy For Ore Reserve And Resource Estimates [Policy Text Block] Disclosure of detailed information about financial instruments [table] Disclosure of detailed information about financial instruments [table] Geographical areas [domain] Geographical areas [domain] Number of operating mines Number Of Operating Mines Number Of Operating Mines Released value Number of Other Equity Instruments Released in Share-based Payment Arrangement, Value Number of Other Equity Instruments Released in Share-based Payment Arrangement, Value Entity Interactive Data Current Entity Interactive Data Current Withholding and other taxes Tax Effect Of Withholding Tax Tax Effect Of Withholding Tax Disclosure of maturity analysis of operating lease payments [table] Disclosure of maturity analysis of operating lease payments [table] Levels of fair value hierarchy [axis] Levels of fair value hierarchy [axis] Performance share units Performance Share Units [Member] Performance Share Units [Member] Interest and financing expense Non-cash interest and financing expense Finance costs Finance costs Summary of material accounting policies Disclosure of material accounting policy information [text block] Other liabilities Other liabilities Forgiveness of loan to non-controlling interest (Note 9) Increase From Forgiveness Of Loan To Noncontrolling Interest Increase From Forgiveness Of Loan To Noncontrolling Interest Entity Central Index Key Entity Central Index Key Number of outstanding options, beginning of year (in shares) Number of outstanding options, ending of year (in shares) Number of outstanding options (in shares) Number of share options outstanding in share-based payment arrangement Uncertain tax positions Description Of Accounting Policy For Uncertain Tax Positions [Policy Text Block] Description Of Accounting Policy For Uncertain Tax Positions [Policy Text Block] Disclosure Of Expense By Nature [Table] Disclosure Of Expense By Nature [Table] Disclosure Of Expense By Nature [Table] Attributable to: Profit (loss), attributable to [abstract] Current and deferred income taxes Description of accounting policy for deferred income tax [text block] Risk exposure associated with instruments sharing characteristic Risk exposure associated with instruments sharing characteristic Vesting1 [Domain] Vesting1 [Domain] [Domain] for Vesting1 [Axis] Leverage ratio Borrowings, Covenants, Leverage Ratio Threshold Borrowings, Covenants, Leverage Ratio Threshold Settlement of income tax and customs assessments, amount Settlement of Income Tax and Customs Assessments, Amount Settlement of Income Tax and Customs Assessments, Amount Principal and interest payable Borrowings And Interest Payable Borrowings And Interest Payable Transfer to share capital on exercise of stock options and incentive trust shares Increase (Decrease) Through Transfer Between Share Capital And Contributed Surplus, Equity Increase (Decrease) Through Transfer Between Share Capital And Contributed Surplus, Equity Operating income (loss) Profit (loss) from operating activities Sensitivity analysis for types of market risk, Reasonably possible change in gold price (in USD per ounce) Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Gold Price Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Gold Price Portion of convertible senior unsecured notes allocated to equity, net of deferred income tax (Note 12) Increase (Decrease) Through Equity Component Of Convertible Instrument Increase (Decrease) Through Equity Component Of Convertible Instrument Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Measurement input, forward gold price Measurement Input, Forward Gold Price [Member] Measurement Input, Forward Gold Price Contributed surplus Additional paid-in capital Other income (expense) Miscellaneous Other Non-operating Income (Expense) Miscellaneous Other Non-operating Income (Expense) Other Other adjustments to reconcile profit (loss) Mining interests and other Mining Interest And Other Related Temporary Differences [Member] Mining Interest And Other Related Temporary Differences [Member] Fekola Equipment Loan Facility, Third Equipment Facility Fekola Equipment Loan Facility, Third Equipment Facility [Member] Fekola Equipment Loan Facility, Third Equipment Facility Name of Property [Domain] Name of Property [Domain] Current tax expense, settlement of income tax and customs assessments Current Tax Expense (Income), Settlement of Income Tax and Customs Assessments Current Tax Expense (Income), Settlement of Income Tax and Customs Assessments Accordion feature higher borrowing capacity Line Of Credit Facility, Accordion Feature, Higher Borrowing Capacity Option Line Of Credit Facility, Accordion Feature, Higher Borrowing Capacity Option Stock options Stock Options [Member] Stock Options [Member] Shares issued for flow-through financing (in shares) Number Of Shares Issued, Flow-through Shares Number Of Shares Issued, Flow-through Shares Mine restoration provisions Disclosure of provisions [text block] Statement of cash flows [abstract] Statement of cash flows [abstract] Disclosure of financial assets [table] Disclosure of financial assets [table] Estimated undiscounted cash outflow to settle mine restoration cost Estimated Undiscounted Cash Outflow To Settle Decommissioning Restoration And Rehabilitation Costs Estimated Undiscounted Cash Outflow To Settle Decommissioning Restoration And Rehabilitation Costs Accumulated other comprehensive income (loss) Accumulated other comprehensive income Non-controlling interests Other comprehensive income, attributable to non-controlling interests Amounts under provided for in prior years Adjustments for current tax of prior periods Future withholding tax Future Withholding Tax Related Temporary Differences [Member] Future Withholding Tax Related Temporary Differences Available-for-sale financial assets [abstract] Available-for-sale financial assets [abstract] Deferred share unit Deferred Share Unit [Member] Deferred Share Unit [Member] Distributions to non-controlling interests Decrease From Distribution To Noncontrolling Interest Holders Decrease From Distribution To Noncontrolling Interest Holders Counterparty Name [Domain] Counterparty Name [Domain] Prepaid withholding tax Prepaid Withholding Tax Prepaid Withholding Tax Number of metal royalties sold Number Of Metal Royalties Sold Number Of Metal Royalties Sold Effects of different foreign statutory tax rates Tax effect of foreign tax rates Restricted cash Non-current restricted cash and cash equivalents Inventory [Table] Inventory [Table] Inventory [Table] Tranche 1 Tranche 1 year from grant Tranche 1 [Member] Tranche 1 [Member] Commitments (Note 26) Commitments And Contingencies1 Commitments And Contingencies1 Current Current liabilities [abstract] Number of tranches Number Of Tranches Of Share-Based Payment Transactions Number Of Tranches Of Share-Based Payment Transactions Investment in associates (Note 10) Investments accounted for using equity method Vesting1 [Axis] Vesting1 [Axis] Vesting1 [Axis] Disclosure of fair value measurement of assets [line items] Disclosure of fair value measurement of assets [line items] Other comprehensive income Other comprehensive income [abstract] Fekola Regional Fekola Regional Project [Member] Fekola Regional Project Canada CANADA Change in mine restoration provision estimates Increase (Decrease) Through Mine Restoration Provision, Property, Plant And Equipment Including Right-of-Use Assets Mine Restoration Provision Movements, Property, Plant And Equipment Classes of share capital [domain] Classes of share capital [domain] Accounting Judgements And Estimates [Abstract] Accounting Judgements And Estimates [Abstract] Accounting Judgements And Estimates [Abstract] Colombia COLOMBIA Osino Resources Corp. Osino Resources Corp. [Member] Osino Resources Corp. Sensitivity analysis for types of market risk, reasonably possible change in risk variable, impact on cash and cash equivalents Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Impact On Cash And Cash Equivalents Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Impact On Cash And Cash Equivalents Common shares issued in flow-through financing (Note 14) Proceeds from issue of ordinary shares Classes of financial liabilities [axis] Classes of financial liabilities [axis] Classes of financial liabilities Classes of financial liabilities [domain] Masbate Mine Masbate Mine [Member] Masbate Mine [Member] Borrowings, adjustment to interest rate basis Borrowings, adjustment to interest rate basis Disclosure of other provisions [line items] Disclosure of other provisions [line items] Draw downs Line Of Credit Facility Draw Downs Line Of Credit Facility Draw Downs Additions to right-of-use assets Additions to right-of-use assets Number of equity instruments sold (in shares) Number Of Equity Instruments Sold Number Of Equity Instruments Sold Buildings, plant & equipment Buildings Plant And Equipment [Member] Buildings Plant And Equipment Lease liabilities Lease liabilities Borrowing costs capitalised Borrowing costs capitalised Recent Accounting Pronouncements [Abstract] Recent Accounting Pronouncements [Abstract] Debt instruments, convertible, transaction cost, liability component Convertible Debt, Liability Component Convertible Debt, Liability Component Investments accounted for using equity method [abstract] Investments accounted for using equity method [abstract] Financing interest charges, implicit interest rate Contract Liabilities, Financing Interest Charges, Implicit Interest Rate Contract Liabilities, Financing Interest Charges, Implicit Interest Rate Fair value of investments in associates for which there are quoted market prices Fair value of investments in associates for which there are quoted market prices Types of financial liabilities [axis] Types of financial liabilities [axis] Debt instrument, redemption, threshold consecutive trading days Convertible Debt, Redemption, Threshold Consecutive Trading Days Convertible Debt, Redemption, Threshold Consecutive Trading Days Gold sold in prepaid gold sales (in ounce) Contract Liabilities, Delivery Amount Contract Liabilities, Delivery Amount Fuel derivative contracts (Note 17) Fuel Oil, Gas Oil and Diesel Forward Contracts [Member] Fuel Oil, Gas Oil and Diesel Forward Contracts [Member] Disclosure of number and weighted average exercise prices of other equity instruments Disclosure of number and weighted average exercise prices of other equity instruments [text block] Net income (loss) (attributable to shareholders of the Company) used in calculating diluted earnings per share Profit (loss), attributable to ordinary equity holders of parent entity, used in calculating diluted earnings per share Line of credit facility, maximum borrowing capacity Borrowings, Line Of Credit Facility, Maximum Borrowing Capacity Borrowings, Line Of Credit Facility, Maximum Borrowing Capacity Share capital (Note 14) Issued capital Benefit of optional tax incentives Tax Effect Of Optional Deductions Tax Effect Of Optional Deductions Unused tax losses for which no deferred tax asset recognised Unused tax losses for which no deferred tax asset recognised Shares issued on exercise of stock options (Note 14) Shares issued on exercise of stock options Increase (decrease) through exercise of options, equity Forward – fuel oil: Fuel Oil Forward Contract [Member] Fuel Oil Forward Contract [Member] Fekola Complex CGU Fekola Complex Cash-generating Units [Member] Fekola Complex Cash-generating Units Exercise price, share options granted (in Cdn.$per share) Exercise price, share options granted Beginning balance number of shares outstanding (in shares) Ending balance number of shares outstanding (in shares) Number of shares outstanding (in shares) Number of shares outstanding Tax Dispute, Favorable Outcome Tax Dispute, Favorable Outcome [Member] Tax Dispute, Favorable Outcome Types of financial liabilities Types of financial liabilities [domain] Change of fair value due to risk free interest rate change Sensitivity Analysis For Types Of Market Risk, Increase (Decrease) Of Fair Value Due To Risk Free Interest Rate Change Sensitivity Analysis For Types Of Market Risk, Increase (Decrease) Of Fair Value Due To Risk Free Interest Rate Change Transactions with non-controlling interests (Note 15) Decrease From Distribution To Noncontrolling Interest Holders And Other Increase (Decrease) Decrease From Distribution To Noncontrolling Interest Holders And Other Increase (Decrease) Balance, beginning of year Balance, end of year Other provisions Other Other temporary differences [member] Debt repayments Financial liabilities Income tax expense Income tax expense Tax expense (income) Other property, plant and equipment Other property, plant and equipment [member] Significant unobservable input, liabilities Significant unobservable input, liabilities Supplementary cash flow information Disclosure of cash flow statement [text block] Leased assets Leased Assets [Member] Leased Assets Cash-generating units [domain] Cash-generating units [domain] Disclosure of maturity analysis of operating lease payments [line items] Disclosure of maturity analysis of operating lease payments [line items] Schedule of other assets Schedule Of Other Assets1 [Table Text Block] Schedule Of Other Assets1 [Table Text Block] Operating activities Cash flows from (used in) operating activities [abstract] Other Miscellaneous Non-current Other Assets Miscellaneous Non-current Other Assets General and administrative Selling, general and administrative expense Document Period End Date Document Period End Date Long-Term Debt1 [Abstract] Long-term Debt1 [Abstract] Long-Term Debt1 [Abstract] Back River Regional, exploration Other Exploration, Back River Regional [Member] Other Exploration, Back River Regional Non-adjusting events after reporting period [domain] Non-adjusting events after reporting period [domain] Disclosure of range of exercise prices of outstanding share options [line items] Disclosure of range of exercise prices of outstanding share options [line items] Disclosure of classes of share capital [line items] Disclosure of classes of share capital [line items] Other comprehensive income attributable to: Other Comprehensive Income Attributable To [Abstract] Other Comprehensive Income Attributable To [Abstract] Maturity [axis] Maturity [axis] Investments in equity instruments designated at fair value through other comprehensive income Investments in equity instruments designated at fair value through other comprehensive income [member] Other Other inflows (outflows) of cash, classified as financing activities Impairment loss, net of tax effect Impairment Loss, Net Of Tax Effect Impairment Loss, Net Of Tax Effect Associates [axis] Associates [axis] Document Type Document Type Share-based payments expense Expense from share-based payment transactions with employees Schedule of current inventory Schedule Of Inventory, Current1 [Table Text Block] Schedule Of Inventory, Current1 [Table Text Block] Purchases of short-term investments (Note 6) Cash flows from (used in) decrease (increase) in short-term deposits and investments Classes of financial assets [axis] Classes of financial assets [axis] Profit or loss [abstract] Profit or loss [abstract] Current portion of prepaid gold sales (Note 19) Current contract liabilities Operating segments Operating segments [member] Finland FINLAND Gain on sale of shares in associate (Note 10) Gain (Loss) on Disposal of Investments in Associates Gain (Loss) on Disposal of Investments in Associates Loss on sale of fixed assets (Note 16) Loss on sale of fixed assets (Note 16) Gain (Loss) on Sale of Fixed Assets Gain (Loss) on Sale of Fixed Assets 2030 Later than four years and not later than five years [member] Types of share-based payment arrangements [domain] Types of share-based payment arrangements [domain] Equity attributable to owners of parent Equity attributable to owners of parent Change in non-taxable portions of gains Tax Effect Of Gains Exempted From Taxation Tax Effect Of Gains Exempted From Taxation Shares issued from incentive trust (Note 14) Increase (Decrease) From Issuance Of Incentive Trust Shares Increase (Decrease) From Issuance Of Incentive Trust Shares Earnings (loss) per share (attributable to shareholders of the Company) (Note 14) Earnings per share [abstract] Range [axis] Range [axis] Receivables, prepaids and other (Note 6) Accounts receivable, prepaids and other Receivables And Other Current Assets Receivables And Other Current Assets Components of equity [axis] Components of equity [axis] Entity Information [Line Items] Entity Information [Line Items] Funding of reclamation deposits (Note 11) Cash Payment Into Reclamation Accounts Cash Payment Into Reclamation Accounts Long-term debt Disclosure of borrowing costs [text block] Proportion of ownership interest in long-term investments Proportion Of Ownership Interest In Long-term Investments Proportion Of Ownership Interest In Long-term Investments Income (loss) from operations before taxes Income (loss) from operations before taxes Profit (loss) before tax Annual Information Form Annual Information Form Entity Primary SIC Number Entity Primary SIC Number Share capital Disclosure of share capital, reserves and other equity interest [text block] Statement Of Cash Flows [Line Items] Statement Of Cash Flows [Line Items] [Line Items] for Statement Of Cash Flows [Table] Disclosure of liquidity risk Disclosure of liquidity risk [text block] Disclosure of other provisions [table] Disclosure of other provisions [table] Mine restoration provisions, noncurrent Other non-current provisions Auditor Location Auditor Location Shares purchased and cancelled under Normal Course Issuer Bid (Note 14) Shares purchased and cancelled under Normal Course Issuer Bid (Note 14) Reduction of issued capital Disclosure of operating segments Disclosure of operating segments [text block] Basic (in shares) Basic weighted average number of common shares outstanding (in shares) Weighted average number of ordinary shares used in calculating basic earnings per share Disclosure Of Commitments [Abstract] Disclosure Of Commitments [Abstract] Disclosure Of Commitments [Abstract] Interest expense on convertible senior secured notes Adjustments to profit (loss) for interest and dividends on equity instruments, other than preference shares and participating equity instruments Community relations Community Relations Expense Community Relations Expense Disclosure of temporary difference, unused tax losses and unused tax credits Disclosure of temporary difference, unused tax losses and unused tax credits [text block] Supplier advances Current advances to suppliers Share-based payments Key management personnel compensation, share-based payment Gold purchase price, percentage of listed gold price, during non-deposit period Gold Stream Obligation, Gold Selling Price, Percentage Of Listed Price, Non-deposit Period Gold Stream Obligation, Gold Selling Price, Percentage Of Listed Price, Non-deposit Period Beginning balance Ending balance Principal Borrowings Cost of sales Cost of Sales [Abstract] Cost of Sales [Abstract] Hedging Designation [axis] Hedging Designation1 [Axis] Hedging Designation1 [Axis] Number of exercisable options (in shares) Number of share options exercisable in share-based payment arrangement Schedule of non-controlling interest Disclosure of effects of changes in parent's ownership interest in subsidiary that do not result in loss of control on equity attributable to owners of parent [text block] Cash provided (used) by financing activities Cash flows from (used in) financing activities Shares purchased (in shares) Long-term Investments, Number of Shares Purchased Long-term Investments, Number of Shares Purchased Counterparties [axis] Counterparties [axis] Earnings per share Description of accounting policy for earnings per share [text block] Preference shares Preference shares [member] Convertible debt, conversion ratio Convertible Debt, Conversion Ratio Convertible Debt, Conversion Ratio Entity Current Reporting Status Entity Current Reporting Status Dividends declared Dividends Declared [Member] Dividends Declared Statement of changes in equity [table] Statement of changes in equity [table] Impairment of long-lived assets (Note 9) Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss, exploration and evaluation assets Hedging Designation [Domain] Hedging Designation1 [Domain] [Domain] for Hedging Designation1 [Axis] Unrealized gains (losses) on change in fair value measurement Gains (losses) recognised in profit or loss attributable to change in unrealised gains or losses for liabilities held at end of period, fair value measurement Current portion of long-term debt (Note 12) Current portion Current borrowings and current portion of non-current borrowings Total cost of sales Cost of sales Disclosure of income tax by geographical jurisdiction Disclosure Of Income Tax By Geographical Jurisdiction [Table Text Block] Disclosure Of Income Tax By Geographical Jurisdiction [Table Text Block] Current Fiscal Year End Date Current Fiscal Year End Date Dividends paid (in USD per share) Dividends paid, ordinary shares per share Change in current liabilities relating to deferred financing costs Financing Cost Deferred Financing Cost Deferred Effect of dilutive securities, restricted share units (in shares) Dilutive effect of restricted share units on weighted average number of ordinary shares Bottom of range Bottom of range [member] Disclosure of entity's operating segments [Abstract] Disclosure of entity's operating segments [Abstract] Disclosure of entity's operating segments [Abstract] Other exploration (Note 22) Other Exploration [Member] Other Exploration Transfer to long-term investments Investment In Associates Accounted For Using Equity Method, Transfer To Long-term Investment Investment In Associates Accounted For Using Equity Method, Transfer To Long-term Investment Gold delivery obligation scenario two Gold Delivery Obligation Scenario Two [Member] Gold Delivery Obligation Scenario Two Disclosure of detailed information about borrowings [line items] Disclosure of detailed information about borrowings [line items] Disclosure Of Provisions [Abstract] Disclosure Of Provisions [Abstract] Disclosure Of Provisions [Abstract] Reconciliation of accounting profit multiplied by applicable tax rates [abstract] Reconciliation of accounting profit multiplied by applicable tax rates [abstract] Capital Losses Capital Losses [Member] Capital Losses [Member] Net income (loss) Net income (loss) Share of net (loss) income Profit (loss) Philippines Philippines PHILIPPINES Weighted average exercise price, options granted (in Cdn. dollar per share) Weighted average exercise price of share options granted in share-based payment arrangement Share premium of flow-through shares Share Premium, Flow-through Shares Share Premium, Flow-through Shares Non-current liabilities Non-current liabilities Lease liabilities Finance Lease Obligations [Member] Finance Lease Obligations [Member] Financing cost, equity component Convertible Debt, Financing Cost, Equity Component Convertible Debt, Financing Cost, Equity Component Disclosure Of Significant Accounting Policies [Abstract] Disclosure Of Significant Accounting Policies [Abstract] Disclosure Of Significant Accounting Policies [Abstract] Receivables, prepaids and other Adjustments For Decrease (Increase) In Receivables, Prepaids And Other Current Assets Adjustments For Decrease (Increase) In Receivables, Prepaids And Other Current Assets Document Registration Statement Document Registration Statement Consideration received in shares (in shares) Portion Of Consideration Paid (Received) Consisting Of Equity Shares, Shares Portion Of Consideration Paid (Received) Consisting Of Equity Shares, Shares Effect of dilutive securities, performance share units (in shares) Dilutive Effect Of Performance Share Units On Number Of Ordinary Shares Dilutive Effect Of Performance Share Units On Number Of Ordinary Shares Segmented information Disclosure of entity's operating segments [text block] Depreciation of right-of-use assets Depreciation, right-of-use assets Transfer outstanding balance to new revolving credit facility Transfer outstanding balance to new revolving credit facility Line Of Credit Facility, Outstanding Balance Transferred To New Revolving Credit Facility Line Of Credit Facility, Outstanding Balance Transferred To New Revolving Credit Facility Temporary difference, unused tax losses and unused tax credits [domain] Temporary difference, unused tax losses and unused tax credits [domain] Auditor Information [Abstract] Auditor Information Capital expenditure commitments Capital commitments Accumulated depreciation, depletion, amortization and impairment Accumulated depreciation and amortisation [member] Retained (deficit) earnings Retained earnings [member] 2027 Later than one year and not later than two years [member] Shares purchased and cancelled under Normal Course Issuer Bid (in shares) Shares purchased and cancelled under Normal Course Issuer Bid (in shares) Number Of Shares Decreased Through Reduction Of Issued Capital Number Of Shares Decreased Through Reduction Of Issued Capital Value added tax receivables Value added tax receivables Leases Description of accounting policy for leases [text block] Expected credit loss Non-current Receivables Due From Associates, Allowance For Credit Loss Non-current Receivables Due From Associates, Allowance For Credit Loss Analysis of income and expense [abstract] Analysis of income and expense [abstract] Deductible temporary differences for which no deferred tax asset is recognised Unrecognized deferred tax assets Deductible temporary differences for which no deferred tax asset is recognised Derivative, underlying common shares Derivative Indexed To Issuer's Equity, Indexed Shares, Value Derivative Indexed To Issuer's Equity, Indexed Shares, Value Depreciation & depletion Depreciation and amortisation expense Business Contact Business Contact [Member] Disclosure of supplementary cash flow information Disclosure Of Supplementary Cash Flow Information [Table Text Block] Disclosure Of Supplementary Cash Flow Information [Table Text Block] Liabilities Liabilities [abstract] Sensitivity analysis , increase (decrease) of fair value due to fuel price change Sensitivity Analysis For Types Of Market Risk, Increase (Decrease) Of Fair Value Due To Fuel Price Change Sensitivity Analysis For Types Of Market Risk, Increase (Decrease) Of Fair Value Due To Fuel Price Change Current portion of gold stream obligation (Note 18) Current Liabilities, Gold Stream Obligation Current Liabilities, Gold Stream Obligation Carrying amount Carrying amount [member] Namibia Namibia NAMIBIA Income Tax [Table] Income Tax [Table] Income Tax [Table] Current portion of derivative instruments (Note 17) Current derivative financial assets Ore stock-pile inventory Current ore stockpiles Current ore stockpiles Income Statement Location [Domain] Income Statement Location1 [Domain] [Domain] for Income Statement Location1 [Axis] Unobservable inputs [domain] Unobservable inputs [domain] Changes in equity [abstract] Changes in equity [abstract] Salaries and short-term employee benefits Key management personnel compensation, short-term employee benefits Security Exchange Name Security Exchange Name Finland Mine Properties In Finland [Member] Mine Properties In Finland Number of options forfeited or expired (in shares) Number of share options forfeited in share-based payment arrangement Disclosure of long-term debt maturities Disclosure Of Long-Term Debt Maturities [Table Text Block] Disclosure Of Long-Term Debt Maturities [Table Text Block] Employee benefits obligation Non-current provisions for employee benefits Contact Personnel Name Contact Personnel Name Assets Assets (liabilities) Proceeds from prepaid sales (Note 19) Proceeds From Contract Liabilities Proceeds From Contract Liabilities Mali MALI Snowline Gold Corp. Snowline Gold Corp. [Member] Snowline Gold Corp. Fair value of shares from share-based payment transactions Fair Value Of Shares From Share-Based Payment Transactions Fair Value Of Shares From Share-Based Payment Transactions Assets measured at fair value Financial assets, at fair value Gold stream obligation, at beginning of period Gold stream obligation, at end of period Contract liabilities Quebradona Property Quebradona Property [Member] Quebradona Property Principles of consolidation Principles Of Consolidation [Policy Text Block] Principles Of Consolidation Losses and tax bases for which no tax benefit has been recorded Tax Effect Of Losses For Which No Tax Benefit Is Recorded Tax Effect Of Losses For Which No Tax Benefit Is Recorded Gold purchase price, percentage of listed gold price, during deposit period Gold Stream Obligation, Gold Selling Price, Percentage Of Listed Price, Deposit Period Gold Stream Obligation, Gold Selling Price, Percentage Of Listed Price, Deposit Period Average strike price per litre (in USD per litre) Average price (in USD per Ounce) Average Exercise Price Of Derivative Instrument Average Exercise Price Of Derivative Instrument Disclosure of major components of tax expense (income) Disclosure Of Major Components Of Tax Expense (Income) [Table Text Block] Disclosure Of Major Components Of Tax Expense (Income) [Table Text Block] Mine restoration provisions Provision for decommissioning, restoration and rehabilitation costs [member] Operating loss carry-forwards Unused tax losses [member] Expense relating to short-term leases Expense relating to short-term leases for which recognition exemption has been used Production costs (Note 24) Production costs Total Production Expense Production Expense Production Expense Investments in joint arrangements and associates, Determination of control or significant influence over investees Description of accounting policy for investments in joint ventures [text block] Dividends (in shares) Number of shares issued, under dividend reinvestment plan (in shares) Number Of Shares Issued, Dividend Reinvestment Plan Number Of Shares Issued, Dividend Reinvestment Plan Reduction in issued capita, maximum percent of common shares issued and outstanding Reduction In Issued Capital, Maximum Percent Of Common Shares Issued And Outstanding Reduction In Issued Capital, Maximum Percent Of Common Shares Issued And Outstanding 6.00 – 6.99 Exercise Price Range Five [Member] Exercise Price Range Five [Member] Inventory1 [Line Items] Inventory1 [Line Items] [Line Items] for Inventory [Table] Losses on dilution of associate (Note 10) Loss on dilution Loss on dilution of associate (Note 10) Investments In Associates Accounted For Using Equity Method, Gain (Loss) On Dilution Investments In Associates Accounted For Using Equity Method, Gain (Loss) On Dilution Classes of share capital [axis] Classes of share capital [axis] Variable lease payments Expense relating to variable lease payments not included in measurement of lease liabilities Shares issued on exercise of stock options (in shares) Number of options exercised (in shares) Number of options exercised (in shares) Number of share options exercised in share-based payment arrangement Share of net (loss) income of associates (Note 10) Share of net (loss) income Share of profit (loss) of associates accounted for using equity method Non-deductible expenditures Tax effect of expense not deductible in determining taxable profit (tax loss) Fekola Equipment Loan Facility, First Equipment Facility Fekola Equipment Loan Facility, First Equipment Facility [Member] Fekola Equipment Loan Facility, First Equipment Facility Total equity Beginning balance equity Ending balance equity Equity Entity Addresses, Address Type [Axis] Entity Addresses, Address Type [Axis] Convertible debt, liability component, net of financing cost Convertible Debt, Liability Component, Net Convertible Debt, Liability Component, Net 2.95 – 2.99 Exercise Price Range One [Member] Exercise Price Range One Commitments Disclosure of commitments [text block] Gross profit Gross profit Other receivables Other receivables Other current liabilities Other current liabilities Level 1 Level 1 of fair value hierarchy [member] Financing cost, liability component Convertible Debt, Financing Cost, Liability Component Convertible Debt, Financing Cost, Liability Component Number of options granted (in shares) Number of share options granted in share-based payment arrangement Income taxes paid Income taxes paid (refund) Gold stream obligation Gold Stream Obligation [Member] Gold Stream Obligation Disclosure of detailed information about property, plant and equipment [line items] Disclosure of detailed information about property, plant and equipment [line items] Undrawn borrowing facilities Undrawn borrowing facilities Discount rate Discount rate, measurement input [member] Level 2 Level 2 of fair value hierarchy [member] Dividends paid (Note 14) Dividends paid, classified as financing activities Weighted-average exercise price, beginning of year (in Cdn. dollar per share) Weighted-average exercise price, end of year (in Cdn. dollar per share) Weighted-average exercise price (in Cdn. dollar per share) Weighted average exercise price of share options outstanding in share-based payment arrangement Shareholders of the Company Net income (loss) (attributable to shareholders of the Company) Profit (loss), attributable to owners of parent Participating funding from non-controlling interest Increase From Participating Funding From Noncontrolling Interest Increase From Participating Funding From Noncontrolling Interest Use of losses and temporary differences not previously recognised Tax Effect Of Losses And Temporary Differences Not Previously Recognised Tax Effect Of Losses And Temporary Differences Not Previously Recognised Royalty Sale, Tranches [Axis] Royalty Sale, Tranches [Axis] Royalty Sale, Tranches Finland Properties, exploration Other Exploration, Finland Properties, Finland [Member] Other Exploration, Finland Properties, Finland Unused capacity commitment fee Line Of Credit Facility, Unused Capacity, Commitment Fee Percentage1 Line Of Credit Facility, Unused Capacity, Commitment Fee Percentage1 Debt instrument, redemption, threshold trading days Convertible Debt, Redemption, Threshold Trading Days Convertible Debt, Redemption, Threshold Trading Days Deferred tax (liabilities)/assets Total deferred tax liability (asset) Beginning balance deferred tax liability (asset) Ending balance deferred tax liability (asset) Deferred tax liability (asset) Non-cash charges, net (Note 22) Non-cash (credits) charges Other adjustments for non-cash items Total current liabilities Current liabilities Current liabilities Goose Mine CGU Goose Mine Cash-generating Units [Member] Goose Project Cash-generating Units Deferred income taxes (Note 21) Deferred tax asset Deferred tax assets Inventories (Note 7) Total current inventories Current inventories Non- controlling interests Non-controlling interests [member] Non-controlling interests Comprehensive income, attributable to non-controlling interests AuMEGA Metals Ltd. AuMEGA Metals Ltd. [Member] Matador Mining Ltd. Deferred income tax expense charged to equity Deferred Income Tax Expense Charged To Equity Deferred Income Tax Expense Charged To Equity Disclosure of temporary difference, unused tax losses and unused tax credits [line items] Disclosure of temporary difference, unused tax losses and unused tax credits [line items] Weighted- average years to expiry (in years) Weighted average remaining contractual life of outstanding share options Gold delivery obligation, percentage Gold Steam Obligation, Delivery Obligation, Percentage Of Production Gold Steam Obligation, Delivery Obligation, Percentage Of Production Contributed surplus Additional paid-in capital [member] Share-based payments Description of accounting policy for share-based payment transactions [text block] Statement of changes in equity [abstract] Statement of changes in equity [abstract] Shares issued in flow-through financing (Note 14) Increase (Decrease) Through Issuance Of Flow-through Shares Increase (Decrease) Through Issuance Of Flow-through Shares Retained deficit Retained earnings Corporate office Corporate Office [Member] Corporate Office Founders Metals Inc. Founders Metals Inc. [Member] Founders Metals Inc. Prepaid gold sales Disclosure of deferred income [text block] Disclosure of detailed information about financial instruments [line items] Disclosure of detailed information about financial instruments [line items] Key assumptions used for impairment test Significant unobservable input, assets Mine restoration provisions (Note 13) Non-current provision for decommissioning, restoration and rehabilitation costs Number of shares granted (in shares) Granted (in shares) Number of other equity instruments granted in share-based payment arrangement Types of risks Types of risks [domain] Depreciation and depletion (Note 9) Depreciation and depletion Cost of Sales, Depreciation and Amortisation Expense Cost of Sales, Depreciation and Amortisation Expense Subsidiaries [axis] Subsidiaries [axis] Change in income tax rates Tax effect from change in tax rate Geographical [Domain] Geographical [Domain] Dividends declared (in USD per share) Dividends Declared, Ordinary Shares Per Share Dividends Declared, Ordinary Shares Per Share Geographical areas [axis] Geographical areas [axis] Fekola Fekola SA [Member] Fekola SA [Member] Long-term investments Disclosure of investments other than investments accounted for using equity method [text block] Purchase of shares in associate (Note 10) Purchase of interests in associates SOFR or CORRA Secured Overnight Financing Rate or Canadian Overnight Repo Rate Average [Member] Secured Overnight Financing Rate or Canadian Overnight Repo Rate Average Fair value of common shares received Portion Of Consideration Paid (Received) Consisting Of Equity Shares, Value Portion Of Consideration Paid (Received) Consisting Of Equity Shares, Value Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Document Financial Statement Error Correction [Flag] Document Financial Statement Error Correction [Flag] Gold stream obligation (Note 18) Noncurrent portion of gold stream obligation Non-current derivative financial liabilities Disclosure of fair value measurement of assets [table] Disclosure of fair value measurement of assets [table] Accumulated other comprehensive income (loss) Accumulated other comprehensive income [member] Segments [domain] Segments [domain] Cash and cash equivalents, beginning of year Cash and cash equivalents, end of year Cash and cash equivalents Cash and cash equivalents Exploration And Evaluation Of Mineral Resources [Abstract] Exploration And Evaluation Of Mineral Resources [Abstract] Exploration And Evaluation Of Mineral Resources [Abstract] Disclosure of income tax [Abstract] Disclosure of income tax [Abstract] Disclosure of income tax [Abstract] Income tax relating to priority dividend Income Tax Relating To Priority Dividend Income Tax Relating To Priority Dividend Cash proceeds on sale of long-term investments (Note 8) Proceeds from sales of investments other than investments accounted for using equity method Document Information [Table] Document Information [Table] Total equity and liabilities Equity and liabilities United States UNITED STATES Forgiveness of debt principal and accrued interest Borrowings, Forgiveness of Principal And Accrued Interest Borrowings, Forgiveness of Principal And Accrued Interest Reclamation deposits Reclamation Deposits Reclamation Deposits West African Resources Ltd. West African Resources Ltd. [Member] West African Resources Ltd. Otjikoto Mine, exploration Other Exploration, Otjikoto Mine [Member] Other Exploration, Otjikoto Mine Debt instrument, redemption, threshold percentage of stock price trigger Convertible Debt, Redemption, Threshold Percentage of Stock Price Trigger Convertible Debt, Redemption, Threshold Percentage of Stock Price Trigger Impairment of financial assets held at amortized cost Description of accounting policy for impairment of financial assets [text block] Maximum borrowing capacity in percentage of cost of mining fleet and other mining equipment (in percentage) Line Of Credit Facility, Maximum Borrowing Capacity, Percentage Of Cost Of Mining Fleet And Other Mining Equipment Line Of Credit Facility, Maximum Borrowing Capacity, Percentage Of Cost Of Mining Fleet And Other Mining Equipment Mine restoration provisions Provision For Mine Restoration Related Temporary Differences [Member] Provision For Mine Restoration Related Temporary Differences Prospector Metals Corp. Prospector Metals Corp. [Member] Prospector Metals Corp. Raw materials and consumables Raw materials and consumables used Disclosure of range of exercise prices of outstanding share options Disclosure of range of exercise prices of outstanding share options [text block] Other Other Exploration, Other Projects [Member] Other Exploration, Other Projects Transfers Increase (decrease) through transfers and other changes, property, plant and equipment including right-of-use assets Disclosure of detailed information about hedging instruments Disclosure of detailed information about hedging instruments [text block] Interest rate risk Interest rate risk [member] City Area Code City Area Code Old revolving credit facility Old Revolving Credit Facility [Member] Old Revolving Credit Facility Non-capital exploration Expense arising from exploration for and evaluation of mineral resources Useful lives of property, plant and equipment (in years) Useful life measured as period of time, property, plant and equipment Fekola Equipment Loan Facility, Excluding Loans Financing the Cost of Spare Parts Fekola Equipment Loan Facility, Excluding Loans Financing the Cost of Spare Parts [Member] Fekola Equipment Loan Facility, Excluding Loans Financing the Cost of Spare Parts More than five years Later than five years [member] Classes of financial assets [domain] Classes of financial assets [domain] Deferred financing costs written off Deferred Financing Costs Written Off Deferred Financing Costs Written Off Production costs by nature Disclosure of cost of sales [text block] Level 3 Level 3 of fair value hierarchy [member] Disposals Disposals, property, plant and equipment including right-of-use assets Significant accounting judgements and estimates Disclosure of accounting judgements and estimates [text block] Disclosure of maturity analysis of operating lease payments Disclosure Of Maturity Analysis Of Lease Payments [Table Text Block] Disclosure Of Maturity Analysis Of Lease Payments Lease liabilities incurred Lease Liabilities Incurred Lease Liabilities Incurred Disclosure of classes of share capital [table] Disclosure of classes of share capital [table] Unobservable inputs [axis] Unobservable inputs [axis] Interest capitalized to construction of qualifying assets Contract Liabilities, Financing Interest Charges, Capitalized Amount Contract Liabilities, Financing Interest Charges, Capitalized Amount Gross proceeds from convertible senior unsecured notes Proceeds From Borrowings, Gross, Classified As Financing Activities Proceeds From Borrowings, Gross, Classified As Financing Activities Auditor Name Auditor Name Mining interests Property, Plant And Equipment Related Temporary Differences [Member] Property, Plant And Equipment Related Temporary Differences [Member] Segment consolidation items [domain] Segment consolidation items [domain] Other Projects Other Projects [Member] Other Projects [Member] Wheaton Precious Metals Wheaton Precious Metals [Member] Wheaton Precious Metals Derivative instrument [Axis] Derivative Instrument [Axis] Derivative Instrument Receivables, prepaids and other Disclosure of trade and other receivables [text block] St. Augustine Gold & Copper Ltd. St. Augustine Gold & Copper Ltd. [Member] St. Augustine Gold & Copper Ltd. [Member] Option life, share options granted (up to) Option life, share options granted Vesting 3 years from grant Tranche 3 [Member] Tranche 3 [Member] Convertible debt, conversion price (in dollars per share) Convertible Debt, Conversion Price Convertible Debt, Conversion Price Cash provided by operating activities Cash flows from (used in) operating activities Cash flows from (used in) operating activities Disclosure Of Other Noncurrent Assets [Line Items] Disclosure Of Other Noncurrent Assets [Line Items] Disclosure Of Other Noncurrent Assets Gold and silver bullion Current finished goods Forfeited (in shares) Number of other equity instruments forfeited in share-based payment arrangement Disclosure of terms and conditions of share-based payment arrangement [line items] Disclosure of terms and conditions of share-based payment arrangement [line items] Change in current liabilities relating to mining interest expenditures Capital Expenditures Incurred But Not Yet Paid 1 Capital Expenditures Incurred But Not Yet Paid 1 Gold hedging program, percentage of forecasted production volume Gold Hedging Program, Percentage Of Forecasted Production Volume Gold Hedging Program, Percentage Of Forecasted Production Volume Document Fiscal Year Focus Document Fiscal Year Focus Fuel Derivatives Fuel Derivatives [Member] Fuel Derivatives [Member] Liabilities from share-based payment transactions Liabilities from share-based payment transactions Audited Annual Financial Statements Audited Annual Financial Statements Borrowings maturity term Borrowings Maturity, Term Borrowings Maturity, Term Fekola Regional Properties Fekola Regional Properties [Member] Fekola Regional Properties Change of fair value due to gold price change Sensitivity Analysis For Types Of Market Risk, Increase (Decrease) Of Fair Value Due To Gold Price Change Sensitivity Analysis For Types Of Market Risk, Increase (Decrease) Of Fair Value Due To Gold Price Change Masbate Mine, exploration Other Exploration, Masbate Mine [Member] Other Exploration, Masbate Mine Number of shares held in trust under the Company's Incentive Plan (in shares) Number of shares in entity held by entity or by its subsidiaries or associates Released (in shares) Number Of Other Equity Instruments Released In Share-based Payment Arrangement Number Of Other Equity Instruments Released In Share-based Payment Arrangement Interest coverage ratio Borrowings, Covenants, Interest Coverage Ratio Threshold Borrowings, Covenants, Interest Coverage Ratio Threshold Current portion of mine restoration provisions (Note 13) Current provision for decommissioning, restoration and rehabilitation costs Fekola Mine Fekola SA (“Fekola Mine”) Fekola Mine [Member] Fekola Mine [Member] Measurement period Share Capital, Share Based Compensation, Measurement Period Share Capital, Share Based Compensation, Measurement Period Gold delivery obligation scenario three Gold Delivery Obligation Scenario Three [Member] Gold Delivery Obligation Scenario Three Types of interest rates Types of interest rates [domain] Classes of other provisions [axis] Classes of other provisions [axis] Discount rate Interest Rate, Significant Unobservable Inputs, Liabilities Interest Rate, Significant Unobservable Inputs, Liabilities Recent accounting pronouncements Disclosure of expected impact of initial application of new standards or interpretations [text block] Deferred income tax liability charged to equity Deferred Income Tax Liability Charged To Equity Deferred Income Tax Liability Charged To Equity Impairment Impairment loss recognised in profit or loss, property, plant and equipment including right-of-use assets Royalties and production taxes Royalty Expense And Production Tax Expense Royalty Expense And Production Tax Expense Key management personnel compensation Key management personnel compensation Mineral Properties Mining property [member] Beginning balance Ending balance Derivative financial liabilities Ordinary shares Ordinary shares [member] Gold revenue External gold revenue Revenue from sale of gold Effect of dilutive securities, stock options (in shares) Dilutive effect of share options on weighted average number of ordinary shares Mining interests Disclosure Of Mining Interests [Text Block] Disclosure Of Mining Interests [Text Block] Cost Cost Principal Gross carrying amount [member] Accounts payable and accrued liabilities Trade and other current payables Shares receivable as percent of performance share unit Number Of Shares Receivable In Share-based Payment Arrangement As Percent Of Other Equity Instruments Granted Number Of Shares Receivable In Share-based Payment Arrangement As Percent Of Other Equity Instruments Granted Canadian federal and provincial income tax rates Applicable tax rate Tranche 2 Vesting 2 years from grant Tranche 2 [Member] Tranche 2 [Member] Inventories Disclosure of inventories [text block] Long term debt Long Term Debt Related Temporary Differences [Member] Long Term Debt Related Temporary Differences Operating Loss Carryforwards Expiration Year Unlimited Operating Loss Carryforwards Expiration Year Unlimited [Member] Operating Loss Carryforwards Expiration Year Unlimited Forward – gas oil: Gas Oil Forward Contract [Member] Gas Oil Forward Contract [Member] Local Phone Number Local Phone Number Less than one year 2026 Not later than one year [member] Impairment of long-lived assets (Notes 9) Impairment of long-lived assets Impairment Loss (Reversal Of Impairment Loss) Recognised In Profit Or Loss, Mineral Properties Impairment Loss (Reversal Of Impairment Loss) Recognised In Profit Or Loss, Mineral Properties Restricted share units Restricted Share Units (RSU) [Member] Restricted Share Units (RSU) [Member] Statement Of Cash Flows [Table] Statement Of Cash Flows [Table] Statement Of Cash Flows [Table] Additions Tax Examination, Contingent Liability Accrual, Period Increase Tax Examination, Contingent Liability Accrual, Period Increase Investment in associates, number of shares converted from debt settlement (in shares) Investments In Associates, Number Of Shares Converted From Debt Settlement Investment In Associates, Number Of Shares Converted From Debt Settlement Long-term debt (Note 12) Non-current portion of non-current borrowings Inventories Adjustments for decrease (increase) in inventories Disclosure of financial assets [line items] Disclosure of financial assets [line items] Mining interests Description of accounting policy for property, plant and equipment [text block] Investment Name [Axis] Investment, Name [Axis] Loan facilities draw downs Proceeds from borrowings, classified as financing activities Principal payments on lease arrangements (Note 12) Payments of lease liabilities, classified as financing activities Changes in long-term inventory Adjustments For Decrease (Increase) In Long-term Supplies Inventories Adjustments For Decrease (Increase) In Long-term Supplies Inventories Current assets and liabilities Current assets Current Assets And Liabilities Related Temporary Differences [Member] Current Assets And Liabilities Related Temporary Differences Reasonably possible change in risk variable, percent Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Percent Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Percent Percentage of ownership interest in subsidiary Proportion of ownership interest in subsidiary Value-added and other tax receivables Adjustments For Decrease (Increase) In Receivables From Taxes Other Than Income Tax Current Adjustments For Decrease (Increase) In Receivables From Taxes Other Than Income Tax, Current Number of common shares redeemable from each RSU (in shares) Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Common Shares Redeemed Per Restricted Share Unit Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Common Shares Redeemed Per Restricted Share Unit Benefit not recorded on impairment losses Tax Effect Not Recorded On Impairment Losses Tax Effect Not Recorded On Impairment Losses Entity Registrant Name Entity Registrant Name Basic (in USD per share) Basic earnings (loss) per share Gold deliveries Gold deliveries Decrease through performance obligation being satisfied, contract liabilities Delivery into prepaid sales (Note 19) Adjustments for increase (decrease) in deferred income including contract liabilities Diluted (in shares) Diluted weighted average number of common shares outstanding (in shares) Weighted average number of ordinary shares used in calculating diluted earnings per share Share consideration received on sale of mining interests (Notes 9) Consideration Received In Shares Consideration Received In Shares Share-based payments expense, capitalized to mining interests Expense From Share-Based Payment Transactions With Employees, Capitalized To Mining Interests Expense From Share-Based Payment Transactions With Employees, Capitalized To Mining Interests Royalty Sale, Tranches [Domain] Royalty Sale, Tranches [Domain] Royalty Sale, Tranches [Domain] 5.00 – 5.99 Exercise Price Range Four [Member] Exercise Price Range Four [Member] Ounces Derivative, Nonmonetary Notional Amount, Weight Derivative, Nonmonetary Notional Amount, Weight Goose Mine, exploration Other Exploration, Goose Project [Member] Other Exploration, Goose Project Accounts Payable, Derivative Liabilities, Borrowings, and Interest on Borrowings Accounts Payable, Derivative Liabilities, Borrowings, And Interest On Borrowings [Member] Accounts Payable, Derivative Liabilities, Borrowings, And Interest On Borrowings [Member] New revolving credit facility New Revolving Credit Facility [Member] New Revolving Credit Facility Interest and commitment fees paid Interest And Commitment Fees Paid, Classified As Financing Activities Interest And Commitment Fees Paid, Classified As Financing Activities Share-based payments (Note 14) Adjustments for share-based payments 3.00 – 3.99 Exercise Price Range Two [Member] Exercise Price Range Two [Member] Interest & commitment fees (estimated) Interest (estimated) Estimated Interest Payable Estimated Interest Payable Types of financial assets [axis] Types of financial assets [axis] Long-term value-added tax receivables Non-current value added tax receivables Non-controlling interests (Note 15) Non-controlling interests Segment consolidation items [axis] Segment consolidation items [axis] Litres Derivative, Nonmonetary Notional Amount, Volume1 Derivative, Nonmonetary Notional Amount, Volume1 Weighted-average exercise price (in Cdn. dollar per share) Weighted average exercise price of share options exercisable in share-based payment arrangement Non-controlling interests (Note 15) Profit (loss), attributable to non-controlling interests Equity Equity [abstract] Other Other expenses, by nature Exploration expenditure, committed amount Exploration Expenditure, Committed Amount From Issuance Of Flow-through Share Exploration Expenditure, Committed Amount From Issuance Of Flow-through Share Disclosure of detailed information about financial instruments [abstract] Disclosure of detailed information about financial instruments [abstract] Disclosure of fair value measurement of assets Disclosure of fair value measurement of assets [text block] Mobile Equipment Mobile Equipment [Member] Mobile Equipment Common shares issued on exercise of stock options (Note 14) Proceeds from exercise of options Operating Loss Carryforwards, Expiration Periods [Domain] Operating Loss Carryforwards, Expiration Periods [Domain] Operating Loss Carryforwards, Expiration Periods [Domain] Fekola Equipment Loan Facilities Fekola equipment loan facilities: Fekola Equipment Loan Facility [Member] Fekola Equipment Loan Facility [Member] Subclassifications of assets, liabilities and equities [abstract] Subclassifications of assets, liabilities and equities [abstract] Cash proceeds from sale of mining interest (Note 9) Proceeds from disposal of mining assets Ranges of exercise prices for outstanding share options [domain] Ranges of exercise prices for outstanding share options [domain] Shareholders’ equity Shareholders' Equity [Abstract] Shareholders' Equity [Abstract] ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Other Assets1 [Abstract] Other Assets1 [Abstract] Other Assets1 [Abstract] Schedule of mine restoration provisions provisions Disclosure of other provisions [text block] Payment for financing costs Payment For Financing Costs Payment For Financing Costs Schedule of noncurrent inventory Schedule Of Inventory, Noncurrent1 [Table Text Block] Schedule Of Inventory, Noncurrent1 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Disclosure of temporary difference, unused tax losses and unused tax credits [table] Payments of lease liabilities Cash outflow for leases Impairment loss Impairment loss Auditor Firm ID Auditor Firm ID Reserve of equity component of convertible instruments Reserve of equity component of convertible instruments Recent accounting pronouncements Disclosure of changes in accounting policies, accounting estimates and errors [text block] Deferred tax liability not recognized Deferred Tax Liability Not Recognized Deferred Tax Liability Not Recognized Interest charges, financing component contained in the prepaid gold sales Contract Liabilities, Financing Interest Charges Contract Liabilities, Financing Interest Charges Capitalized to mining interests Expense Capitalized To Mining Interest Expense Capitalized To Mining Interest Tranche 2 based on total shareholder return Tranche Two Based On Total Shareholder Return [Member] Tranche Two Based On Total Shareholder Return Goose equipment loan facility: Goose equipment loan facility Goose Project Equipment Loan Facilities [Member] Goose Project Equipment Loan Facilities Shareholders of the Company Comprehensive income, attributable to owners of parent Shares issued on vesting of RSUs and PSUs Increase (Decrease) Through Vesting Of Equity Increase (Decrease) Through Vesting Of Equity Total liabilities Liabilities Lease valuation, term Lease Term Lease Term Income Tax [Line Items] Income Tax [Line Items] [Line Items] for Income Tax [Table] Disclosure of subsidiaries [table] Disclosure of subsidiaries [table] Current income and other taxes payable Current tax liabilities, current Sensitivity analysis , increase (decrease) of fair value due to long-term investment stock price change Sensitivity Analysis For Types Of Market Risk, Increase (Decrease) Of Fair Value Due To Long-term Investment Securities Price Change Sensitivity Analysis For Types Of Market Risk, Increase (Decrease) Of Fair Value Due To Long-term Investment Securities Price Change Disclosure of share capital, reserves and other equity interest [Abstract] Disclosure of share capital, reserves and other equity interest [Abstract] Disclosure of share capital, reserves and other equity interest [Abstract] Other assets Disclosure of other assets [text block] Change in fair value of gold stream (Note 18) Change in fair value of gold stream (Note 18) Change In Fair Value Of Gold Stream Obligation Change In Fair Value Of Gold Stream Obligation Lease Liabilities Lease liabilities [member] Short-term investments Short-term Investment Short-term Investment Weighted average exercise price, options forfeited or expired (in Cdn. dollar per share) Weighted average exercise price of share options forfeited in share-based payment arrangement Mining interests (Note 9) Property, plant and equipment, beginning balance Property, plant and equipment, ending balance Property, plant and equipment including right-of-use assets Property, plant and equipment including right-of-use assets Liabilities measured at fair value liabilities measured at fair value Convertible note, fair value Financial liabilities, at fair value Underground Mining Leased Assets, Underground Mining [Member] Leased Assets, Underground Mining Current income tax, withholding and other taxes (Note 21) Current income tax, withholding and other taxes Current tax expense (income) Non-adjusting events after reporting period [axis] Non-adjusting events after reporting period [axis] One to five years Later than one year and not later than five years [member] Sale of Long-term Investment Sale of Long-term Investment [Member] Sale of Long-term Investment Fekola Equipment Loan Facility, Loans Financing the Cost of Spare Parts Fekola Equipment Loan Facility, Loans Financing the Cost of Spare Parts [Member] Fekola Equipment Loan Facility, Loans Financing the Cost of Spare Parts Portion of consideration paid (received) consisting of equity shares (in CAD per share) Portion Of Consideration Paid (Received) Consisting Of Equity Shares, Per Share Value Portion Of Consideration Paid (Received) Consisting Of Equity Shares, Per Share Value Top of range Top of range [member] Other leased assets Other Leased Assets [Member] Other Leased Assets Scenario [Axis] Scenario [Axis] Weighted average share price (in dollars per share) Weighted average share price Other assets (Note 11) Other non-current assets Other non-current assets Infrastructure Upgrades Infrastructure Upgrades [Member] Infrastructure Upgrades Operating Loss Carryforwards, Expiration Periods [Axis] Operating Loss Carryforwards, Expiration Periods [Axis] Operating Loss Carryforwards, Expiration Periods 2029 Later than three years and not later than four years [member] SOFR Secured Overnight Financing Rate [Member] Secured Overnight Financing Rate Convertible debt, equity component value Convertible Debt, Equity Component, Gross Value Convertible Debt, Equity Component, Gross Value Miscellaneous other operating expense Miscellaneous other operating expense Stock dividends, under dividend reinvestment plan Stock Dividends, Dividend Reinvestment Plan Stock Dividends, Dividend Reinvestment Plan Inventories Description of accounting policy for measuring inventories [text block] Inflation rate Inflation Rate, Significant Unobservable Inputs, Liabilities Inflation Rate, Significant Unobservable Inputs, Liabilities Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Interest on loan to non-controlling interest Interest On Loans To Non-controlling Interest Interest On Loans To Non-controlling Interest Value of contracts added Increase Through Contracts Added, Contracts Liabilities Increase Through Contracts Added, Contracts Liabilities Borrowings by name [domain] Borrowings by name [domain] Deferred income taxes (Note 21) Reserve Of Equity Component Of Convertible Instruments, Deferred Tax Liability Reserve Of Equity Component Of Convertible Instruments, Deferred Tax Liability Currency risk Currency risk [member] Non-participating Share Capital Non-participating Share Capital [Member] Non-participating Share Capital [Member] Foreign exchange losses Increase (decrease) through foreign exchange, financial assets Deferred income taxes (Note 21) Deferred tax liability Deferred tax liabilities Geographical [Axis] Geographical [Axis] Other comprehensive income Other comprehensive income Classes of liabilities [axis] Classes of liabilities [axis] Counterparties [domain] Counterparties [domain] Less: current portion Other current provisions Increase in cash and cash equivalents Increase (decrease) in cash and cash equivalents before effect of exchange rate changes Types of share-based payment arrangements [axis] Types of share-based payment arrangements [axis] Depreciation and depletion Adjustments for depreciation and amortisation expense Disclosure Of Investment In Associates [Line Items] Disclosure Of Investment In Associates [Line Items] Disclosure Of Investment In Associates Disclosure Of Expense By Nature [Line Items] Disclosure Of Expense By Nature [Line Items] [Line Items] for Disclosure Of Expense By Nature [Table] Disclosure Of Fair Value Measurement Of Assets And Liabilities [Table] Disclosure Of Fair Value Measurement Of Assets And Liabilities [Table] Disclosure Of Fair Value Measurement Of Assets And Liabilities [Table] Title of 12(b) Security Title of 12(b) Security Disclosure of subsidiaries [line items] Disclosure of subsidiaries [line items] Schedule of Changes in Gold stream Obligation Disclosure of fair value measurement of liabilities Disclosure of fair value measurement of liabilities [text block] Gold derivative contracts (Note 17) Gold Derivatives [Member] Gold Derivatives Malian regulatory settlement Malian regulatory settlement (Note 9) Other Expense, Regulatory Settlement Other Expense, Regulatory Settlement Gold delivery obligation scenario one Gold Delivery Obligation Scenario One [Member] Gold Delivery Obligation Scenario One Equipment loans Equipment Loans [Member] Equipment Loans Interest & commitment fees (estimated) Estimated Interest Payable And Commitment Fees Estimated Interest Payable And Commitment Fees Other Other Other [Member] Other [Member] Losses on change in fair value of derivatives Gains (Losses) Recognised In Profit Or Loss Attributable To Change In Realised Gains Or Losses For Liabilities Held At End Of Period, Fair Value Measurement Gains (Losses) Recognised In Profit Or Loss Attributable To Change In Realised Gains Or Losses For Liabilities Held At End Of Period, Fair Value Measurement Depreciation and depletion Depreciation, property, plant and equipment including right-of-use assets Subsidiaries [domain] Subsidiaries [domain] Loan facilities repayments Loan facilities repayments Repayments of borrowings, classified as financing activities Debt instrument, interest rate, effective percentage Convertible Instrument, Interest Rate, Effective Percentage Convertible Instrument, Interest Rate, Effective Percentage Materials and supplies Current raw materials and current production supplies Borrowings by name [axis] Borrowings by name [axis] Financial instruments Disclosure of financial instruments [text block] Schedule of Property, Plant and Equipment Disclosure of detailed information about property, plant and equipment [text block] Borrowings, interest rate Borrowings, interest rate Cash used by investing activities Cash flows from (used in) investing activities Derivative financial instruments Disclosure of derivative financial instruments [text block] Disclosure of range of exercise prices of outstanding share options [table] Disclosure of range of exercise prices of outstanding share options [table] Salaries and employee benefits Employee benefits expense Derivative instrument [Domain] Derivative Instrument [Domain] Derivative Instrument Investments in associates beginning balance Investments in associates ending balance Investments in associates accounted for using equity method Capital and non-capital tax losses Capital And Non Capital Tax Loss Related Temporary Differences [Member] Capital And Non Capital Tax Loss Related Temporary Differences [Member] Gold delivery obligation, quantity (in ounces) Gold Steam Obligation, Delivery Obligation, Gold Production, Weight Gold Steam Obligation, Delivery Obligation, Gold Production, Weight Gold stream and derivative financial instruments Gold Stream And Derivative Financial Instruments [Member] Gold Stream And Derivative Financial Instruments Financial instruments and fair value of financial instruments Description of accounting policy for financial instruments [text block] Current assets Current assets Current assets Changes in non-cash working capital (Note 22) Changes in non-cash working capital Increase (decrease) in working capital Gain on sale of shares in associate (Note 10) Gain on sale of shares in associate (Note 10) Gains (losses) on disposals of investments Disclosure of operating segments [table] Disclosure of operating segments [table] Write-down of mining interests (Note 9) Write-downs Write-down of mining interests (Note 9) Write-down of mining interests Write-downs (reversals of write-downs) of property, plant and equipment Other Other Operating Expense, Other Other Operating Expense, Other Name of Property [Axis] Name of Property [Axis] Change in gold price Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Price Per Unit Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Price Per Unit Change in fair value Gains (losses) recognised in profit or loss including exchange differences, fair value measurement, liabilities Security price risk Equity price risk [member] Realized loss on derivative instruments (Note 17) Realized Gain (Loss) On Derivative Instruments, Classified As Financing Activities Realized Gain (Loss) On Derivative Instruments, Classified As Financing Activities Segments [axis] Segments [axis] Interest on loan to non-controlling interest Interest Income On Loan Receivable To Noncontrolling Interest Interest Income On Loan Receivable To Noncontrolling Interest Capitalized interest Interest capitalized to construction of qualifying assets Interest costs capitalised Types of risks [axis] Types of risks [axis] Reinvested dividend equivalents (in shares) Number Of Other Equity Instruments Reinvested Dividend Equivalents In Share-based Payment Arrangement Number Of Other Equity Instruments Reinvested Dividend Equivalents In Share-based Payment Arrangement Portion allocated to equity Convertible Debt, Portion Allocated To Equity Convertible Debt, Portion Allocated To Equity Gramalote Project Gramalote Limited ("Gramalote Project") Gramalote Property [Member] Gramalote Property Purchase of investments other than investments accounted for using equity method Purchase of investments other than investments accounted for using equity method Disclosure of changes in debt balances Disclosure Of Changes In Debt Balances [Table Text Block] Disclosure Of Changes In Debt Balances [Table Text Block] Weighted average exercise price, options exercised (in Cdn. dollar per share) Weighted average exercise price of share options exercised in share-based payment arrangement Expected volatility Expected volatility, share options granted Capital expenditures Payments For Capital Expenditures Payments For Capital Expenditures Deferred tax charged to equity Deferred Tax Charged To Equity Temporary Differences [Member] Deferred Tax Charged To Equity Temporary Differences Disclosure Of Other Noncurrent Assets [Abstract] Disclosure Of Other Noncurrent Assets [Table] Disclosure Of Other Noncurrent Assets Disclosure of employee benefits Disclosure Of Detailed Information About Key Management Personnel [Table Text Block] Disclosure Of Detailed Information About Key Management Personnel [Table Text Block] Dividend yield rate (up to) Expected dividend as percentage, share options granted Non-cash community relations expense Non-Cash Community Relations Expense Non-Cash Community Relations Expense Goose Mine B2Gold Back River Corp ("Goose Mine") Goose Mine [Member] Goose Mine Amendment Flag Amendment Flag Components of equity [domain] Components of equity [domain] Contractors Contractor Expense Contractor Expense Dividends (Note 14) Non-controlling interests (Note 15) Dividends recognised as distributions to owners Disclosure of operating segments [line items] Disclosure of operating segments [line items] Mobile Equipment, Tailings Dam and Equipment Mobile Equipment, Tailings Dam And Equipment [Member] Mobile Equipment, Tailings Dam And Equipment [Member] Non-controlling interest Disclosure of non-controlling interests [text block] Accretion Increase Through Accretion, Contracts Liabilities Increase Through Accretion, Contracts Liabilities Fekola Mine, exploration Other Exploration, Fekola Mine [Member] Other Exploration, Fekola Mine Increase through new leases, liabilities arising from financing activities Increase through new leases, liabilities arising from financing activities Temporary difference, unused tax losses and unused tax credits [axis] Temporary difference, unused tax losses and unused tax credits [axis] Changes in long-term value added tax receivables Adjustments For Decrease (Increase) In Receivables From Taxes Other Than Income Tax Noncurrent Adjustments For Decrease (Increase) In Receivables From Taxes Other Than Income Tax, Noncurrent Reclamation spending Provision used, other provisions Range [domain] Range [domain] Ore stock-pile inventory Non-current ore stockpiles Non-current ore stockpiles Fekola Equipment Loan Facility, Second Equipment Facility Fekola Equipment Loan Facility, Second Equipment Facility [Member] Fekola Equipment Loan Facility, Second Equipment Facility Accounts payable and accrued liabilities Adjustments for increase (decrease) in trade and other payables Interest income Interest income Scenario [Domain] Scenario [Domain] Distributions to non-controlling interests (Note 15) Cash Distribution To Non-controlling Interests, Classified As Financing Activities Cash Distribution To Non-controlling Interests, Classified As Financing Activities Share-based payments (Note 14) Stock-based compensation Expense from share-based payment transactions Address Type [Domain] Address Type [Domain] Award vesting period (in years) Share-Based Compensation Arrangement By Share-Based Payment Award, Award Vesting Period2 Share-Based Compensation Arrangement By Share-Based Payment Award, Award Vesting Period2 Disclosure of derivative instruments not designated as hedges Disclosure Of Derivative Instruments Not Designated As Hedges [Table Text Block] Disclosure Of Derivative Instruments Not Designated As Hedges Other liabilities Other Liabilities Related Temporary Differences [Member] Other Liabilities Related Temporary Differences Investment in associates Disclosure of investments accounted for using equity method [text block] EURIBOR European Interbank Offered Rate EURIBOR [Member] European Interbank Offered Rate EURIBOR [Member] Purchases of long-term investments (Note 8) Purchase Of Long-term Investment Purchase Of Long-term Investment Diluted (in USD per share) Diluted earnings (loss) per share Maturity [domain] Maturity [domain] Interest payment Interest Payment Interest Payment Share capital Description of accounting policy for issued capital [text block] Schedule of Subsidiaries Disclosure of subsidiaries [text block] Other Noncontrolling Interest, Period Increase (Decrease), Other Noncontrolling Interest, Period Increase (Decrease), Other Interest acquired Investment In Associates Accounted For Using Equity Method, Increase From Purchase Of Associates' Shares Investment In Associates Accounted For Using Equity Method, Increase From Purchase Of Associates' Shares Disclosure of terms and conditions of share-based payment arrangement [table] Disclosure of terms and conditions of share-based payment arrangement [table] Future withholding tax expense (recovery) Deferred tax expense (recovery) Tax Effect Of Future Withholding Tax Tax Effect Of Future Withholding Tax Disclosure of fair value measurement [Abstract] Disclosure of fair value measurement [Abstract] Disclosure of fair value measurement [Abstract] Earnings per share Earnings per share [text block] Otjikoto Mine B2Gold Namibia (Pty) Ltd. (“Otjikoto Mine”) Otjikoto Mine [Member] Otjikoto Mine [Member] Change due to foreign exchange Tax Effect Of Foreign Exchange Rates Tax Effect Of Foreign Exchange Rates Counterparty Name [Axis] Counterparty Name [Axis] Disclosure of detailed information about property, plant and equipment [table] Disclosure of detailed information about property, plant and equipment [table] Philippines Gold Processing & Refining Corporation (“Masbate Mine”) Philippines Gold Processing & Refining Corporation [Member] Philippines Gold Processing & Refining Corporation [Member] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Not designated as hedging instrument Not Designated As Hedging Instrument [Member] Not Designated As Hedging Instrument [Member] Weighted average number of common shares outstanding (in thousands) (Note 14) Weighted average ordinary shares used in calculating basic and diluted earnings per share [abstract] Advance to associates Increase (Decrease) In Non-current Receivables Due From Associates Increase (Decrease) In Non-current Receivables Due From Associates Performance Share Units PSUs Performance Share Units PSUs [Member] Performance Share Units PSUs