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INCOME AND MINING TAXES - Effective Income Tax (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Income Tax Disclosure [Abstract] |  |  |
Income (loss) before income and mining taxes | $ (318,734) | $ (202,408) | $ 240,835
Statutory tax rate | 27.00% | 27.00% | 27.00%
Expected income and mining tax expense (benefit) | $ (86,058) | $ (54,650) | $ 65,025
Increase (decrease) attributable to: |  |  |
Non-taxable items | (36,502) | (26,345) | (11,358)
Foreign exchange and inflation | (30,160) | (55,850) | (20,531)
Tax rate increase | 0 | 68,917 | 0
Differences in foreign and future tax rates | 15,152 | (4,219) | (13,248)
Investment incentive tax credits | (7,327) | (22,760) | (10,126)
Mining taxes and overseas withholding tax | 11,696 | 5,546 | 38,251
Impact of gain on acquisition of Kartaltepe | 0 | 0 | (18,826)
Change in estimates in respect of prior years | 14,935 | 1,742 | (3,630)
Changes in valuation allowance | 151,322 | 4,748 | 2,602
Other | 244 | 337 | 1,909
Total income tax provision (benefit) | $ 33,302 | $ (82,534) | $ 30,068

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