v3.8.0.1
Goodwill and Intangible Assets - Intangible Assets (Details) - Successor - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, net $ 1,923,088 $ 1,946,943
Trademarks and Trade Names    
Indefinite-lived Intangible Assets [Line Items]    
Intangible assets with indefinite lives (trademarks and tradenames) 1,408,848 1,408,848
Customer Relationships    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets with definite lives (customer relationships) 542,011 542,011
Less accumulated amortization (customer relationships) $ (27,771) $ (3,916)