Fresh Start Accounting - Schedule of Fair Value Adjustments to Other assets (Detail) - Reorganization, Chapter 11, Fresh-Start Adjustment $ in Thousands	Apr. 23, 2021 USD ($)
Reorganization, Chapter 11 [Line Items]
Write-off of long-term contract assets	$ (10,029)
Fair value adjustment to set asset equal to right-of-use liability for other operating leases	(1,998)
Fair value adjustment to true-up other operating leases for change in incremental borrowing rate	1,745
Change in other assets	$ (10,282)