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ASSET RETIREMENT OBLIGATIONS (Tables)
12 Months Ended
Dec. 31, 2023
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of Asset Retirement Obligation Changes
A roll-forward of our asset retirement obligation is as follows (in thousands):
Year Ended December 31,
20232022
Balance, beginning of year$291,026 $225,315 
Additional liabilities incurred with development activities and other
7,516 1,919 
Additional liabilities incurred with acquisitions
40,373 1,112 
Liabilities settled(19,136)(15,902)
Accretion expense17,053 15,926 
Revisions to estimate (1)
— 62,656 
Balance, end of year$336,832 $291,026 
Current portion31,116 25,557 
Long-term portion305,716 $265,469 
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(1)Revisions to estimates for the year ended December 31, 2022 were primarily a result of increases in our estimated plugging and abandonment cost.