Goodwill and Intangible Assets (Schedule of Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Goodwill [Line Items]
Beginning balance	$ 54,612	$ 58,707
Currency translation adjustments	(1,547)	(4,095)
Ending balance	$ 53,065	$ 54,612