Fresh Start Accounting - Schedule of Changes in Accrued Liabilities (Detail) - Reorganization Adjustments $ in Thousands	Apr. 23, 2021 USD ($)
Fresh Start Adjustment [Line Items]
Record accrued liability related to success fees	$ 10,699
Record accrued liability related to a bonus accrual under the amended BOP services agreement	831
Reclassification of BOP short-term lease liability into a finance lease	(17,225)
Payment of non-retained professional fees	(8,762)
Payment of key employee incentive plan holdback awards	(1,697)
Payment of accrued interest related to Predecessor revolving credit facility	(37,593)
Reclassification of payment-in-kind upfront fee into the Exit RCF	(3,478)
Reclassification of backstop commitment premium to payment-in-kind Exit Notes	(9,900)
Change in accrued liabilities	$ (67,125)