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Restricted Cash - Schedule of Components of Restricted Cash (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Restricted Cash and Cash Equivalents Items [Line Items]    
Total $ 26,633 $ 26,340
Reclamation and other surety bond cash collateral    
Restricted Cash and Cash Equivalents Items [Line Items]    
Total 26,580 26,287
Credit card collateral    
Restricted Cash and Cash Equivalents Items [Line Items]    
Total $ 53 $ 53