Acquisitions and Goodwill Goodwill Table (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Goodwill Table [Abstract]
Goodwill Beginning Balance	$ 5,520	$ 319
Goodwill, Acquired During Period	0	2,442
Impact of foreign exchange	161	12
Goodwill Ending Balance	$ 5,681	$ 2,773