Goodwill and Other Intangible Assets Goodwill Roll Forward (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Goodwill [Roll Forward]
Balance	$ 2,520	$ 2,740
Currency exchange rate adjustment	(335)	(220)
Balance	$ 2,185	$ 2,520