v3.26.1
Supplemental Financial Information - Schedule of Change in Asset Retirement Obligation (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]    
Asset retirement obligations, beginning of period $ 6,756 $ 6,279
Accretion 139 513
Liabilities settled (48) (177)
Changes due to scope and timing of reclamation 0 141
Asset retirement obligations, end of period 6,847 6,756
Less current portion 1,037 1,037
Asset retirement obligations, long-term $ 5,810 $ 5,719