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Income Taxes - Components of Income Tax Expense (Detail) - USD ($)
$ in Thousands
1 Months Ended 11 Months Ended 12 Months Ended
Dec. 31, 2020
Nov. 19, 2020
Dec. 31, 2019
Dec. 31, 2018
Income Tax Disclosure [Abstract]        
Federal - Current $ 0 $ (36) $ (43) $ (70)
State - Current 0 0 27 93
Total current income tax expense 0 (36) (16) 23
Federal - Deferred (2,918) (221,277) (28,148) (3,553)
State - Deferred (529) (41,649) (4,551) (2,313)
Total deferred income tax expense (3,447) (262,926) (32,699) (5,866)
Annual effective tax benefit $ (3,447) $ (262,962) $ (32,715) $ (5,843)