Goodwill and Intangible Assets 5-Year Amortization (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	$ 4,218
Finite-Lived Intangible Assets, Amortization Expense, Year Two	16,353
Finite-Lived Intangible Assets, Amortization Expense, Year Three	15,938
Finite-Lived Intangible Assets, Amortization Expense, Year Four	15,798
Finite-Lived Intangible Assets, Amortization Expense, Year Five	15,716
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	77,108
Finite-Lived Intangible Assets, Net	$ 145,131	$ 22,383