Goodwill and Intangible Assets, Net (Details 4) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Changes in the carrying amount of goodwill
Balance at the beginning of the period	$ 123,950
Reclassifications	(6)
Foreign exchange	1,658
Balance at the end of the period	125,614	$ 122,923
Changes in the carrying amount of intangible assets
Balance at the beginning of the period	27,675
Reclassifications	(6)
Amortization	(1,487)	(1,600)
Foreign exchange	537
Balance at the end of the period	$ 26,719	$ 31,484