Intangible Assets - Schedule (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Amortizable intangible assets, carrying Value	$ 46,739	$ 42,507
Amortizable intangible assets, accumulated Amortization	24,199	20,228
Amortizable intangible assets, net Intangible	22,540	22,279
Product technology
Finite-Lived Intangible Assets [Line Items]
Amortizable intangible assets, carrying Value	19,459	15,700
Amortizable intangible assets, accumulated Amortization	10,885	7,614
Amortizable intangible assets, net Intangible	8,574	8,086
Patents and trademarks
Finite-Lived Intangible Assets [Line Items]
Amortizable intangible assets, carrying Value	13,948	13,328
Amortizable intangible assets, accumulated Amortization	5,720	4,927
Amortizable intangible assets, net Intangible	8,228	8,401
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Amortizable intangible assets, carrying Value	5,889	5,466
Amortizable intangible assets, accumulated Amortization	1,685	837
Amortizable intangible assets, net Intangible	4,204	4,629
Other
Finite-Lived Intangible Assets [Line Items]
Amortizable intangible assets, carrying Value	7,443	8,013
Amortizable intangible assets, accumulated Amortization	5,909	6,850
Amortizable intangible assets, net Intangible	$ 1,534	$ 1,163