Intangible Assets Schedule of other intangible assets (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 48,298	$ 48,298
Finite-Lived Intangible Assets, Translation Adjustments	(5,181)	(4,587)
Finite-Lived Intangible Assets, Accumulated Amortization	(11,709)	(9,570)
Finite-lived intangible assets, net	31,408
Intangible Assets, Net (Excluding Goodwill)	31,408	34,141
Technology-based [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	14,130	14,130
Finite-Lived Intangible Assets, Translation Adjustments	(1,670)	(1,535)
Finite-Lived Intangible Assets, Accumulated Amortization	(3,466)	(2,828)
Finite-lived intangible assets, net	$ 8,994	$ 9,767
Finite-Lived Intangible Asset, Useful Life	10 years	10 years
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 31,276	$ 31,276
Finite-Lived Intangible Assets, Translation Adjustments	(3,155)	(2,805)
Finite-Lived Intangible Assets, Accumulated Amortization	(6,874)	(5,550)
Finite-lived intangible assets, net	$ 21,247	$ 22,921
Finite-Lived Intangible Asset, Useful Life	12 years	12 years
Trademarks and other [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 2,892	$ 2,892
Finite-Lived Intangible Assets, Translation Adjustments	(356)	(247)
Finite-Lived Intangible Assets, Accumulated Amortization	(1,369)	(1,192)
Finite-lived intangible assets, net	$ 1,167	$ 1,453
Finite-Lived Intangible Asset, Useful Life	10 years	10 years