Goodwill and Intangible Assets (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Intangible assets accumulated amortization	$ (6,457)	$ (3,527)
Finite-lived intangible assets, net carrying amount	56,017	52,465
Intangible assets gross carrying amount	62,474	55,992
Intangible assets net carrying amount	56,017	52,465
In-process research and development (IPR&D)
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	18,311	17,024	$ 14,351
Trademarks and Technology
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	40,380	35,403
Intangible assets accumulated amortization	(5,684)	(3,123)
Finite-lived intangible assets, net carrying amount	$ 34,696	$ 32,280	36,552
Intangible assets remaining amortization period	12 years 9 months 18 days	13 years 9 months 18 days
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	$ 3,783	$ 3,565
Intangible assets accumulated amortization	(773)	(404)
Finite-lived intangible assets, net carrying amount	$ 3,010	$ 3,161	$ 3,417
Intangible assets remaining amortization period	7 years 10 months 24 days	8 years 10 months 24 days