Goodwill and Intangible Assets, Net - Components of Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets, Net [Abstract]
Gross	$ 64,708	$ 62,924
Accumulated amortization	(44,878)	(38,554)
Intangible assets, net	19,830	24,370
Gross value of fully amortized intangible assets	$ 7,400	7,100
Minimum
Finite-Lived Intangible Assets, Net [Abstract]
Estimated useful life of intangible assets	2 years
Maximum
Finite-Lived Intangible Assets, Net [Abstract]
Estimated useful life of intangible assets	15 years
Distribution rights (10 years)
Finite-Lived Intangible Assets, Net [Abstract]
Gross	$ 322	329
Accumulated amortization	(210)	(188)
Intangible assets, net	$ 112	141
Estimated useful life of intangible assets	10 years
Patents (10 years)
Finite-Lived Intangible Assets, Net [Abstract]
Gross	$ 16,587	14,560
Accumulated amortization	(6,491)	(5,704)
Intangible assets, net	$ 10,096	8,856
Estimated useful life of intangible assets	10 years
Trademarks and trade names (10 years)
Finite-Lived Intangible Assets, Net [Abstract]
Gross	$ 2,785	2,786
Accumulated amortization	(2,205)	(1,900)
Intangible assets, net	$ 580	886
Estimated useful life of intangible assets	10 years
Developed and core technology (5-15 years)
Finite-Lived Intangible Assets, Net [Abstract]
Gross	$ 12,480	12,560
Accumulated amortization	(10,016)	(8,087)
Intangible assets, net	$ 2,464	4,473
Developed and core technology (5-15 years) | Minimum
Finite-Lived Intangible Assets, Net [Abstract]
Estimated useful life of intangible assets	5 years
Developed and core technology (5-15 years) | Maximum
Finite-Lived Intangible Assets, Net [Abstract]
Estimated useful life of intangible assets	15 years
Capitalized software development costs (2 years)
Finite-Lived Intangible Assets, Net [Abstract]
Gross	$ 0	155
Accumulated amortization	0	0
Intangible assets, net	$ 0	155
Estimated useful life of intangible assets	2 years
Customer relationships
Finite-Lived Intangible Assets, Net [Abstract]
Gross	$ 32,534	32,534
Accumulated amortization	(25,956)	(22,675)
Intangible assets, net	$ 6,578	$ 9,859
Customer relationships | Minimum
Finite-Lived Intangible Assets, Net [Abstract]
Estimated useful life of intangible assets	10 years
Customer relationships | Maximum
Finite-Lived Intangible Assets, Net [Abstract]
Estimated useful life of intangible assets	15 years