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ASSET RETIREMENT OBLIGATIONS (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
ASSET RETIREMENT OBLIGATIONS          
Asset retirement obligations, beginning of period     $ 561,851 $ 548,832  
Liabilities settled     (20,603) (15,978)  
Accretion expense $ 8,776 $ 8,681 17,293 17,073  
Disposition of oil and natural gas properties       (1,469)  
Liabilities incurred       1,029  
Revisions of estimated liabilities     14,694 7,306  
Asset retirement obligations, end of period 573,235 556,793 573,235 556,793  
Less: Current portion (24,411) (31,813) (24,411) (31,813) $ (26,147)
Long-term $ 548,824 $ 524,980 $ 548,824 $ 524,980 $ 535,704