Chapter 11 Proceedings - Schedule of Reorganization Items Incurred (Detail) - USD ($) $ in Thousands	4 Months Ended	8 Months Ended	12 Months Ended
	Apr. 23, 2021	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2020
Reorganizations [Abstract]
Professional fees	$ 51,084	$ 8,088		$ 53,517
Fresh start valuation adjustments	2,699,422
Net gain on settlement with certain unsecured vendors and liabilities subject to compromise	(1,129,892)
Accrued backstop commitment premium	10,424
Write-off of predecessor directors and officers tail insurance policy	6,932
Write-off of debt issuance costs	1,793			27,552
Other				(4,159)
Total reorganization items, net	$ 1,639,763	$ 8,088	$ 0	$ 76,910