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Asset Retirement Obligations
9 Months Ended
Sep. 30, 2021
Asset Retirement Obligation Disclosure [Abstract]  
Asset Retirement Obligations Asset Retirement Obligations
The Company has asset retirement obligations associated with the future plugging and abandonment of oil and gas properties and related facilities. Revisions to the liability typically occur due to changes in the estimated abandonment costs, well economic lives, and the discount rate.
The following table summarizes the Company’s asset retirement obligation transactions recorded during the nine months ended September 30, (in thousands)
 2021
Beginning asset retirement obligations$3,027 
Liabilities incurred103 
Liabilities settled(103)
Acquisitions11,466 
Accretion expense916 
Divestitures(41)
Revision of estimates140 
Ending asset retirement obligations$15,508