XML 51 R39.htm IDEA: XBRL DOCUMENT v3.22.1
Asset Retirement Obligations ("ARO") (Tables)
3 Months Ended
Mar. 31, 2022
Asset Retirement Obligation Disclosure [Abstract]  
Summary of changes in ARO
The following table summarizes changes in the Company’s ARO (dollars in thousands):
March 31, 2022December 31, 2021
Balance, beginning of period$5,193 $4,785 
Accretion expense102 408 
Balance, end of period$5,295 $5,193