Chapter 11 Proceedings - Reorganization Items (Details) - USD ($) $ in Thousands	3 Months Ended	8 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2018	Sep. 30, 2019
Reorganizations [Abstract]
Unamortized deferred financing fees and premiums	$ 24,748			$ 24,748
Terminated contracts	394			394
Legal and other professional advisory fees	(2,675)			(2,675)
Reorganization items, net	$ 22,467	$ 0	$ 0	$ 22,467

Amount of reorganization items related to discharge of claims and liabilities upon emergence from bankruptcy.

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

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Total amount of reorganization items.

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