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Asset Retirement Obligations - Asset Retirement Obligations (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Asset Retirement Obligation [Abstract]    
Beginning of period $ 79,822 $ 251,076
Liabilities incurred 73 1,483
Acquisitions 0 123
Liabilities settled (8,197) (4,634)
Disposition of wells 0 (176,748)
Accretion expense 5,511 7,518
Change in estimate 18,627 1,004
End of period 95,836 79,822
Less current portion (5,310) (6,689)
Long-term asset retirement obligations $ 90,526 $ 73,133