Chapter 11 Proceedings - Schedule of Reorganization Items Incurred (Detail) $ in Thousands	3 Months Ended
Mar. 31, 2021 USD ($)
Reorganizations [Abstract]
Professional fees	$ 25,670
Accrued backstop commitment premium	9,900
Net gain on adjustments for allowed claims	(318)
Total reorganization items, net	$ 35,252

Debtor reorganization items accrued backstop commitment premium.

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Debtor reorganization items net gain on adjustments for allowed claims.

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Amount of reorganization items related to legal and advisory professional fees related to entities in bankruptcy.

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-Name Accounting Standards Codification
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Total amount of reorganization items.

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