Goodwill and Intangible Assets 5-Year Amortization (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	$ 4,809
Finite-Lived Intangible Assets, Amortization Expense, Year Two	16,669
Finite-Lived Intangible Assets, Amortization Expense, Year Three	16,366
Finite-Lived Intangible Assets, Amortization Expense, Year Four	16,222
Finite-Lived Intangible Assets, Amortization Expense, Year Five	16,073
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	49,195
Finite-Lived Intangible Assets, Net	$ 119,334	$ 125,186