Annual report [Section 13 and 15(d), not S-K Item 405]

Asset Retirement Obligations (Details)

v3.25.1
Asset Retirement Obligations (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Asset Retirement Obligations    
Beginning of period $ 31,236 $ 30,701
Change in estimated reclamation costs 4,861 38
Accretion expense 760 497
End of period $ 36,857 $ 31,236