Annual report pursuant to Section 13 and 15(d)

Goodwill and Intangible Assets (Detail Textuals)

v3.8.0.1
Goodwill and Intangible Assets (Detail Textuals) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Schedule Of Intangible Assets [Line Items]    
Goodwill $ 1,388,931 $ 1,388,931
Tradenames    
Schedule Of Intangible Assets [Line Items]    
Indefinite-Lived Intangible Assets $ 800,000