Goodwill and Intangible Assets, Net - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets, Net [Abstract]
Accumulated Amortization	$ (50,710)	$ (46,039)
Intangible Assets
Gross Carrying Amount	157,851	175,330
Net	107,141	129,291
Patents, developed technologies and know-how
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount	136,114	152,482
Accumulated Amortization	(38,804)	(35,133)
Net	97,310	117,349
Customer relationships
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount	10,700	10,700
Accumulated Amortization	(8,221)	(7,565)
Net	2,479	3,135
Trademarks
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount	5,900	6,800
Accumulated Amortization	(3,685)	(3,341)
Net	2,215	3,459
In-process research and development
Finite-Lived Intangible Assets, Net [Abstract]
In-process research and development	$ 5,137	$ 5,348

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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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-Publisher FASB
-Name Accounting Standards Codification
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