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Reclamation (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Jun. 30, 2024
Dec. 31, 2023
Jun. 30, 2023
Dec. 31, 2022
Asset Retirement Obligation Disclosure [Abstract]                
Asset Retirement Obligation $ 222,090 $ 208,016 $ 222,090 $ 208,016 $ 219,917 $ 214,013 $ 207,960 $ 202,431
Asset Retirement Obligation, Accretion Expense, Excluding Held for Sale Disposal Group. 4,233 4,153 12,463 12,219        
Asset Retirement Obligation, Liabilities Settled (2,060) (1,415) (4,386) (3,952)        
Asset Retirement Obligation, Revision of Estimate $ 0 $ (2,682) $ 0 $ (2,682)