Quarterly report pursuant to Section 13 or 15(d)

Asset Retirement Obligations (Details)

v3.23.3
Asset Retirement Obligations (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2023
USD ($)
Asset Retirement Obligations  
Beginning of period $ 30,701
Change in estimated reclamation costs 38
Accretion expense 371
End of period $ 31,110