Bankruptcy Proceedings, Emergence and Fresh Start Accounting Schedule of Items Included in Reorganization Items, Net (Details) $ in Thousands	8 Months Ended
	Sep. 12, 2016 USD ($)
Reorganizations [Abstract]
Liabilities subject to compromise, gain	$ 1,150,248
Fresh-Start Adjustment, Description	28319
Reorganization items, legal and professional fees	$ 29,976
Reorganization items, Settlements related to contract amendments	2,550
Debtor Reorganization Items, DIP Facility Costs and Commitment fees	170
Reorganization Items, Write-off Prepaid D&O Insurance	832
Debtor Reorganization Items, Other Expense (Income)	(46)
Debtor Reorganization Items	$ 1,144,993