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INCOME TAX (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax assets | $ 55,927 | $ 54,622
Deferred tax liabilities | (215,782) | (222,241)
Net deferred tax liabilities | (159,855) | (167,619)
Net deferred tax liabilities | (159,855) | (167,619)
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |
Beginning balance | 167,619 | 191,668
Deferred income tax (recovery) expense through income statement | (10,057) | (24,831)
Deferred income tax expense through equity | 2,293 | 782
Ending balance | 159,855 | 167,619
Reclamation and closure cost obligation |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax assets | 15,011 | 14,942
Carried forward tax loss |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax assets | 16,043 | 3,552
Accounts payable and accrued liabilities |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax assets | 16,747 | 13,286
Deductibility of resource taxes |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax assets | 154 | 2,406
Lease Obligations |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax assets | 7,972 | 8,374
Other deferred tax assets |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax assets |  | 86
Mineral properties |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax liabilities | (193,646) | (202,087)
Mining and foreign withholding taxes |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax liabilities | (1,124) | (3,524)
Equipment and buildings |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax assets |  | 11,976
Deferred tax liabilities | (5,941) |
Convertible debenture |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax liabilities | (406) | (831)
Inflation |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax liabilities | (598) | (4,306)
Other deferred tax liabilities |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax liabilities | $ (14,067) | $ (11,493)

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