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Asset Retirement Obligations (Tables)
6 Months Ended
Jun. 30, 2021
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of Asset Retirement Obligations
The following table summarizes changes in the Company’s asset retirement obligations (“ARO”) associated with its working interests in oil and gas properties for the six months ended June 30, 2021:
(in thousands)
Asset retirement obligations, beginning of period
$17,009 
Liabilities incurred
87 
Liabilities divested and settled
(215)
Accretion expense
656 
Revisions to estimated cash flows
(21)
Asset retirement obligations, end of period
$17,516