Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Finite and Indefinite Lived Intangible Assets [Line Items]
Gross	$ 95,328	$ 86,093
Accumulated amortization	(64,574)	(55,813)
Net	30,754	30,280
Trade Names [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Indefinite-lived intangibles	$ 9,782	9,782
Trade Names [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Weighted Average Remaining Useful Life (years)	4 years 9 months 18 days
Gross	$ 580	80
Accumulated amortization	(84)	(45)
Net	$ 496	35
Customer Relationships [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Weighted Average Remaining Useful Life (years)	1 year 8 months 12 days
Gross	$ 47,656	39,521
Accumulated amortization	(38,096)	(31,896)
Net	$ 9,560	7,625
Technology [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Weighted Average Remaining Useful Life (years)	4 years 7 months 6 days
Gross	$ 24,980	24,980
Accumulated amortization	(14,624)	(12,142)
Net	$ 10,356	12,838
Non-competition Agreements [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Weighted Average Remaining Useful Life (years)	4 years 8 months 12 days
Gross	$ 600
Accumulated amortization	(40)
Net	$ 560
Patents [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Weighted Average Remaining Useful Life (years)	0 years
Gross	$ 11,730	11,730
Accumulated amortization	$ (11,730)	$ (11,730)