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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