Quarterly report pursuant to Section 13 or 15(d)

ASSET RETIREMENT OBLIGATIONS - Changes to Asset Retirement Obligation (Details)

v3.22.2.2
ASSET RETIREMENT OBLIGATIONS - Changes to Asset Retirement Obligation (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Asset Retirement Obligations - Changes to Asset Retirement Obligation (Details)          
Asset retirement obligations, beginning of period     $ 424,495    
Liabilities settled     (61,285)    
Accretion expense $ 6,620 $ 5,473 19,536 $ 17,368  
Liabilities acquired     33,202    
Liabilities incurred     138    
Revisions of estimated liabilities     37,524    
Asset retirement obligations, end of period 453,610   453,610    
Less current portion (54,886)   (54,886)   $ (56,419)
Long-term $ 398,724   $ 398,724   $ 368,076