Goodwill and Other Intangible Assets Schedule of Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 290,657	$ 290,699
Definite-lived intangible assets	185,814	182,666
Indefinite-lived intangible assets	37,505	38,054
Total intangible assets	$ 513,976	$ 511,419