Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount	$ 234,533	$ 232,747
Accumulated Amortization	(88,059)	(69,247)
Currency Exchange	(8,249)	(8,442)
Amortization of Intangible Assets, Net	138,225	155,058
Gross Carrying Amount	19,217	21,003
Currency Exchange	(997)	(1,185)
Net	18,220	19,818
Total Intangible Assets - Gross Carrying Amount	253,750	253,750
Total Intangible Assets - Accumulated Amortization	(88,059)	(69,247)
Total Intangible Assets - Currency Exchange and Other	(9,246)	(9,627)
Total Intangible Assets - Net	156,445	174,876
In Process Research and Development
Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount	8,914	10,700
Net	8,914	10,700
Trademarks and Trade Names
Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount	10,303	10,303
Currency Exchange	(997)	(1,185)
Net	9,306	9,118
Patents
Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount	11,823	11,823
Accumulated Amortization	(9,154)	(8,431)
Currency Exchange	(242)	(255)
Amortization of Intangible Assets, Net	$ 2,427	$ 3,137
Patents | Minimum
Intangible Assets Net Excluding Goodwill [Line Items]
Useful life	5 years	5 years
Patents | Maximum
Intangible Assets Net Excluding Goodwill [Line Items]
Useful life	15 years	15 years
Software License
Intangible Assets Net Excluding Goodwill [Line Items]
Useful life	3 years	3 years
Gross Carrying Amount	$ 1,212	$ 1,212
Accumulated Amortization	(1,149)	(1,149)
Currency Exchange	(63)	(63)
Developed Product Technology
Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount	154,795	153,009
Accumulated Amortization	(53,925)	(41,416)
Currency Exchange	(6,219)	(6,299)
Amortization of Intangible Assets, Net	$ 94,651	$ 105,294
Developed Product Technology | Minimum
Intangible Assets Net Excluding Goodwill [Line Items]
Useful life	2 years	2 years
Developed Product Technology | Maximum
Intangible Assets Net Excluding Goodwill [Line Items]
Useful life	10 years	10 years
Customer Relationships
Intangible Assets Net Excluding Goodwill [Line Items]
Useful life	12 years	12 years
Gross Carrying Amount	$ 62,093	$ 62,093
Accumulated Amortization	(19,319)	(13,915)
Currency Exchange	(1,650)	(1,750)
Amortization of Intangible Assets, Net	$ 41,124	$ 46,428
Other
Intangible Assets Net Excluding Goodwill [Line Items]
Useful life	4 years	4 years
Gross Carrying Amount	$ 4,610	$ 4,610
Accumulated Amortization	(4,512)	(4,336)
Currency Exchange	(75)	(75)
Amortization of Intangible Assets, Net	$ 23	$ 199