Fresh Start Accounting - Schedule of Changes in Prepaid Expenses and Other Current Assets (Detail) - Reorganization Adjustments $ in Thousands	Apr. 23, 2021 USD ($)
Fresh Start Adjustment [Line Items]
Reduction of prepaid expense for success fees	$ (1,095)
Reclassification of debt issuance costs to other assets and long-term debt	(10,328)
Reclassification of payment-in-kind upfront fee related to the Exit RCF to other assets	(3,478)
Write-off of Predecessor directors and officers tail insurance policy	(583)
Change in prepaid expenses and other current assets	$ (15,484)