Emergence from Voluntary Reorganization under Chapter 11 / Fresh Start Accounting Schedule of Reorganization Items (Details) - USD ($) $ in Thousands		3 Months Ended	4 Months Ended	5 Months Ended	9 Months Ended
May 30, 2020	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	May 31, 2020	Sep. 30, 2019
Debt Instrument [Line Items]
Debtor Reorganization Items, Gain (Loss) on Settlement of Other Claims, Net		$ 0		$ 0	$ 291,378
Fresh start valuation adjustments		0		0	284,392
Legal and professional fees	$ 9,468	2,522		3,263	26,038
Write-off of unamortized debt issuance costs on pre-petition asset-based lending facility		0		0	2,003
Accelerated stock-based compensation		0		0	713
Loss (gain) on rejected leases		0		403	(378)
Payment of accrued interest on DIP Facility	$ (177)	0		0	513
Reorganization Items, net		$ 2,522	$ 0	$ 3,666	$ 21,903	$ 0

Debtor Reorganization Items, Payment of Debtor-in-Possession Facility Fees

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Amount of reorganization items related to employee related charges.

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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 gain (loss) on rejection of leases and other executory contracts, reported as a reorganization item.

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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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