Income Taxes - Significant Components of Income Tax Provision/(Benefit) (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current:
U.S.	$ 329	$ 945	$ 1,332
Non-U.S.	12,482	6,981	4,804
Total Current	12,811	7,926	6,136
Deferred:
U.S.	(15,795)	3,590	7,968
Non-U.S.	8,291	1,310	1,962
Total Deferred	(7,504)	4,900	9,930
Total provision for income taxes	$ 5,307	$ 12,826	$ 16,066