Goodwill and Intangible Assets, Net Goodwill and Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 18,045	$ 15,015	$ 16,003
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization expense		83	2,010
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization expense	17,830	14,743	13,785
Non-compete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 215	$ 189	$ 208