Acquisitions (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets gross carrying amount	$ 55,992	$ 55,014
Intangible assets accumulated amortization	(3,527)	(694)
Intangible assets net carrying amount	52,465	54,320
Alveda Acquisition
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets gross carrying amount		32,578
Intangible assets accumulated amortization		(253)
Intangible assets net carrying amount		32,325
Technology | Alveda Acquisition
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets gross carrying amount		25,243
Intangible assets accumulated amortization		(210)
Intangible assets net carrying amount		$ 25,033
Intangible assets remaining amortization period		14 years 10 months 24 days
In-process research and development (IPR&D) | Alveda Acquisition
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets gross carrying amount		$ 3,875
Intangible assets net carrying amount		3,875
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets accumulated amortization	$ (404)	$ (43)
Intangible assets remaining amortization period	9 years 1 month 24 days	9 years 10 months 24 days
Customer relationships | Alveda Acquisition
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets gross carrying amount		$ 3,460
Intangible assets accumulated amortization		(43)
Intangible assets net carrying amount		$ 3,417
Intangible assets remaining amortization period		9 years 10 months 24 days