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Asset Retirement Obligations
 12 Months Ended
Dec. 31, 2022
Asset Retirement Obligation Disclosure [Abstract]  
Asset Retirement Obligations Asset Retirement Obligations
The following table presents the balance and activity of the Company’s asset retirement obligations (in thousands):
Year Ended December 31,
202220212020
Beginning balance$59,368 $57,168 $75,016 
Liability incurred upon acquiring and drilling wells86 18 309 
Revisions in estimated cash flows (1)2,656 6,800 (17,192)
Liability settled or disposed in current period (2)(2,296)(8,668)(6,866)
Accretion (3)3,895 4,050 5,901 
Ending balance63,709 59,368 57,168 
Less: current portion16,074 17,606 16,467 
Asset retirement obligations, net of current$47,635 $41,762 $40,701 
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(1)    Revisions for the years ended December 31, 2022, 2021 and 2020 relate primarily to changes in estimated well lives and changes in plugging cost estimates.
(2) $6.1 million is related to the sale of NPB in February 2021.
(3)    Included on the Depreciation and depletion - oil and natural gas line item on the Consolidated Statements of Operations.