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INCOME AND MINING TAXES - Calculation of expense by applying the Canadian statutory income tax (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Income and mining taxes expense calculated by applying the Canadian statutory income tax rate    
Combined federal and composite provincial tax rates 26.00% 26.00%
Expected income tax expense at statutory income tax rate $ 613,358 $ 290,010
Increase (decrease) in income and mining taxes resulting from:    
Mining taxes 101,433 121,404
Impact of foreign tax rates and change in future tax rates 23,460 (5,106)
Permanent differences (300,567) 32,231
Impact of foreign exchange on deferred income tax balances (45,412) 6,635
Other 25,490  
Total income and mining taxes expense $ 417,762 $ 445,174