Quarterly report [Sections 13 or 15(d)]

ASSET RETIREMENT OBLIGATIONS (Details)

v3.25.1
ASSET RETIREMENT OBLIGATIONS (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Asset Retirement Obligations - Changes to Asset Retirement Obligation (Details)      
Asset retirement obligations, beginning of period $ 548,832 $ 498,815  
Liabilities settled (3,771) (3,788)  
Accretion expense 8,392 7,969  
Liabilities acquired   18,161  
Liabilities incurred 1,029    
Revisions of estimated liabilities 7,369 8,654  
Asset retirement obligations, end of period 561,851 529,811  
Less: Current portion (29,098) (37,745) $ (46,326)
Long-term $ 532,753 $ 492,066 $ 502,506