Acquisitions and Goodwill Goodwill Table (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Business Acquisition [Line Items]
Goodwill Beginning Balance	$ 5,520	$ 319
Goodwill, Acquired During Period	(73)	2,442
Impact of foreign exchange	342	12
Goodwill Ending Balance	$ 5,789	$ 2,773