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Reclamation (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Mar. 31, 2024
Dec. 31, 2023
Mar. 31, 2023
Dec. 31, 2022
Asset Retirement Obligation Disclosure [Abstract]                
Asset Retirement Obligation $ 219,917 $ 207,960 $ 219,917 $ 207,960 $ 216,989 $ 214,013 $ 205,380 $ 202,431
Asset Retirement Obligation, Accretion Expense, Excluding Held for Sale Disposal Group. 4,154 4,073 8,230 8,066        
Asset Retirement Obligation, Liabilities Settled $ (1,226) $ (1,493) $ (2,326) $ (2,537)