Goodwill and Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill, acquired during period	$ 5,510
Intangible assets acquired	6,700
Amortization of intangible assets	$ 51,400	$ 51,900	$ 53,700