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INCOME AND MINING TAXES - Narrative (Details) - USD ($) |  | 12 Months Ended
--- | --- | ---
Jul. 15, 2023 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Income Tax Disclosure [Abstract] |  |  |  |
Statutory tax rate |  | 27.00% | 27.00% | 27.00%
Deferred income tax expense (benefit) | $ 68,900,000 | $ (136,166,000) | $ (67,932,000) | $ (130,570,000)
Valuation allowance, deferred tax asset, increase, amount |  | 13,500,000 |  |
Unrecognized tax benefits |  | 0 | 8,574,000 | $ 0
Unrecognized tax benefits, income tax penalties and interest accrued |  | 0 | 5,200,000 |
Unrecognized tax benefits, release of income tax penalties and interest expense |  | 7,200,000 |  |
Unrecognized tax benefits, cash settlement |  | $ 1,356,000 | $ 626,000 |

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