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Asset Retirement Obligations (Tables)
6 Months Ended
Jun. 30, 2021
Asset Retirement Obligation Disclosure [Abstract]  
Summary of Asset Retirement Obligation Transactions The following table summarizes the Company’s asset retirement obligation transactions recorded during the six months ended June 30, (in thousands)
 2021
Beginning asset retirement obligations$3,027 
Liabilities incurred57 
Liabilities settled(53)
Acquisitions10,866 
Accretion expense593 
Divestitures(37)
Revision of estimates104 
Ending asset retirement obligations$14,557