Goodwill and Intangible Assets, Net - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 289,962	$ 286,781
Accumulated Amortization	(58,079)	(53,904)
Net	231,883	232,877
Patents, developed technologies and know-how
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	266,579	263,615
Accumulated Amortization	(48,586)	(44,954)
Net	217,993	218,661
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	10,700	10,700
Accumulated Amortization	(6,733)	(6,383)
Net	3,967	4,317
Trademarks
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	6,800	6,800
Accumulated Amortization	(2,760)	(2,567)
Net	4,040	4,233
In-process research and development
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	5,883	5,666
Accumulated Amortization	0	0
Net	$ 5,883	$ 5,666

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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