Goodwill and Intangible Assets - Narrative (Details) - USD ($)	1 Months Ended	2 Months Ended	3 Months Ended	8 Months Ended	9 Months Ended
	Sep. 30, 2017	Aug. 31, 2017	Sep. 30, 2016	Aug. 31, 2017	Sep. 30, 2016	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Goodwill recognized in fresh start accounting		$ 2,675,000		$ 2,675,000
Royalty rate (as a percent)	0.10%
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 0
Trade name
Finite-Lived Intangible Assets [Line Items]
Intangible assets not subject to amortization	$ 5,500,000
Predecessor | Customer relationships
Finite-Lived Intangible Assets [Line Items]
Amortization expense		$ 1,022,000	$ 1,533,000	$ 4,088,000	$ 4,593,000
Predecessor | Trade name
Finite-Lived Intangible Assets [Line Items]
Intangible assets not subject to amortization						$ 0