Fresh Start Accounting - Schedule of Liabilities Subject to Compromise were Settled (Parenthetical) (Detail)	Apr. 23, 2021
Reorganization Adjustments
Fresh Start Adjustment [Line Items]
Percentage of premium associated with exit notes	1.00%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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