Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Statement of Comprehensive Income [Abstract]
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment	$ (8,162)	$ (4,448)	$ 324	$ (804)
Accumulated Other Comprehensive Income (Loss), Derivatives, Net of Tax	0	(122)	(208)	(401)
Changes in fair value of derivative, net of tax	122	86	193
Other Comprehensive Income (Loss), Net of Tax	(3,592)	(4,686)	1,321
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	(3,714)	(4,772)	1,128
Accumulated other comprehensive income (loss)	$ (8,162)	$ (4,570)	$ 116	$ (1,205)