Other Income (Expense), Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Other Income and Expenses [Abstract]
Foreign Currency Transaction Gain (loss), net	$ (5,114)	$ (5,642)	$ (1,592)
Foreign Currency Contract Gain (Loss), Net	4,904	4,753	341
Gain on litigation settlement	0	2,800	0
Other	122	544	794
Total	$ (88)	$ 2,455	$ (457)