Goodwill and Intagible Assets (Details 2) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Goodwill [Line Items]
Goodwill	$ 31,603		$ 31,343
Intangible Assets, Gross (Excluding Goodwill)	17,034		$ 17,838
Amortization expense	(1,068)	$ (1,283)
Finite-lived Intangible Assets Acquired	100
Finite-Lived Intangible Assets, Translation Adjustments	164
Exceeds carrying value by less than 10% [Member]
Goodwill [Line Items]
Goodwill	$ 4,401