Goodwill and Intangible Assets - Summary of Finite Lived and Indefinite Lived Intangible Assets (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization	$ 0
Total intangible assets	5,500,000
Predecessor
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization		$ 63,216,000
Total intangible assets		67,317,000
Trade name
Finite-Lived Intangible Assets [Line Items]
Intangible asset not subject to amortization	5,500,000
Trade name | Predecessor
Finite-Lived Intangible Assets [Line Items]
Intangible asset not subject to amortization		0
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	0
Accumulated Amortization	$ 0
Customer relationships | Predecessor
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		67,317,000
Accumulated Amortization		$ 63,216,000