Quarterly report pursuant to Section 13 or 15(d)

Asset Retirement Obligations (Details)

v3.23.1
Asset Retirement Obligations (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2023
USD ($)
Asset Retirement Obligations  
Beginning of period $ 30,701
Change in estimated reclamation costs 38
Accretion expense 122
End of period $ 30,861