Fresh Start Accounting - Summary of Net Increase in Accrued liabilities (Details) - Reorganization Adjustments [Member] $ in Thousands	May 04, 2017 USD ($)
Net Increase in Accrued Liabilities [Abstract]
Recognition of liability for settlement with holders of the Notes	$ 8,193
Payment of professional fees	(4,295)
Recognition of contribution from management	(1,500)
Recognition of settlement with Predecessor common unitholders	1,250
Other	(709)
Net increase in accrued liabilities due to reorganization items	$ 2,939