Fresh Start Accounting - Schedule of Net Cash Payments (Detail) - Reorganization Adjustments $ in Thousands	Apr. 23, 2021 USD ($)
Fresh Start Adjustment [Line Items]
Funding of professional fee escrow account	$ (35,003)
Payment of non-retained professional fees	(14,087)
Payment of Predecessor revolving credit facility, including accrued interest	(479,627)
Proceeds from Exit Facilities	200,000
Receipt of cash from the issuance of Exit Notes through primary Private Placement and primary Rights Offering	75,000
Change in cash and cash equivalents	$ (253,717)