XML 76 R63.htm IDEA: XBRL DOCUMENT v3.22.2
Asset Retirement Obligation (“ARO”) (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]    
Balance, beginning of period $ 5,193 $ 4,785
Accretion expense 204 408
Balance, end of period $ 5,397 $ 5,193