Goodwill and Intangible Assets (Details 1) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, accumulated amortization	$ (7,832)		$ (6,457)
Total	52,930		56,017
Indefinite-lived Intangible Assets [Line Items]
Intangible assets gross carrying amount	60,762		62,474
Intangible assets net carrying amount	52,930		56,017
In process research and development (IPR&D)
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	17,831		18,311
Trademarks and Technology
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	39,294		40,380
Finite-lived intangible assets, accumulated amortization	(6,875)		(5,684)
Total	$ 32,419		34,696
Weighted average remaining amortization period	12 years 4 months 24 days	12 years 9 months 18 days
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	$ 3,637		3,783
Finite-lived intangible assets, accumulated amortization	(957)		(773)
Total	$ 2,680		$ 3,010
Weighted average remaining amortization period	7 years 7 months 3 days	7 years 10 months 24 days