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Provisions (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Disclosure of other provisions [line items]    
Provisions, beginning $ 248,152  
Provisions, ending 303,180 $ 248,152
Contingent liability for decommissioning, restoration and rehabilitation costs [member]    
Disclosure of other provisions [line items]    
Provisions, beginning 242,861 235,110
Revisions in estimates and obligations incurred 42,754 6,278
Accretion expense (Note 25) 14,841 7,470
Increase (Decrease) Through Change in Estimate, Other Provisions (4,228) (5,997)
Litigation 6,952 5,291
Total provisions 303,180 248,152
Increase (Decrease) in Reclamation Expenditures 4,200 6,000
Increase (Decrease) in Accretion Expense 14,800 7,500
Provisions, ending $ 296,228 242,861
Litigation [member]    
Disclosure of other provisions [line items]    
Provisions, beginning   $ 5,300