Fresh Start Accounting - Schedule of Cumulative Impact of Reorganization Adjustments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Sep. 02, 2016	[1]
Fresh Start Adjustment [Line Items]
Gain on the settlement of LSTC	$ 661,067
Cancellation of Predecessor's capital interests	279,711
Net cash, deferring financing costs, and other adjustments	19,877
Total impact of reorganization adjustments	361,479
Reorganization Adjustment, Common shareholders’ interests	354,249	$ 354,249
Series A Preferred Members' Equity
Fresh Start Adjustment [Line Items]
Reorganization Adjustment, Series A Preferred member’s interest	$ 7,230	$ 7,230

[1] (g)Reflects the establishment of member’s equity following the consummation of the transactions pursuant to the Plan. Pursuant to our amended and restated limited liability company agreement, the holder of the Series A Preferred Share is entitled to 2% of the aggregate of distributions paid to shareholders (as if it held 2% of our members’ equity), subject to dilution if certain catch-up contributions are not made with respect to future equity issuances.  Reflects the cumulative impact of reorganization adjustments as discussed above: Gain on liabilities subject to compromise $661,067 Cancellation of Predecessor's capital interests (279,711) Net cash, deferring financing costs, and other adjustments (19,877) Total impact of reorganization adjustments $361,479 Allocation of total impact of reorganization adjustments to establish members’ equity: Series A Preferred member's interest $7,230 Common shareholders’ interests $354,249