Chapter 11 Proceedings - Schedule of Reorganization Items Incurred (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2020
Reorganizations [Abstract]
Professional fees	$ 18,634	$ 39,293
Write-off of debt issuance costs		27,552
Net gain on settlement with certain unsecured vendors	(9,971)	(4,205)
Total reorganization items, net	$ 8,663	$ 62,640

Amount of net gain (loss) on settlement of other claims for entities in bankruptcy, reported as a reorganization item.

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

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Amount of write-off of debt issuance costs and debt discounts related to prepetition debt obligations.

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Total amount of reorganization items.

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