Goodwill and Intangible Assets (Details) $ in Thousands	3 Months Ended										9 Months Ended	12 Months Ended
	Dec. 31, 2016 USD ($)	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Jun. 30, 2014 USD ($)	Dec. 31, 2013 USD ($) segment	Sep. 30, 2014 USD ($) segment	Dec. 31, 2016 USD ($) segment acquistion	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Goodwill [Line Items]
Number of reporting segments (in segment) | segment										2	2	1
Number of acquisitions | acquistion												4
Changes in Goodwill
Balance as of Period Start				$ 0				$ 5,936			$ 8,390	$ 0	$ 5,936	$ 8,390
Unrealized foreign currency translation loss													(238)	(323)
Goodwill impairment	$ 0	$ 0	$ 0	$ 0	$ (5,698)	$ 0	$ 0	0				0	(5,698)	0
Goodwill, Acquired During Period														1,257
Balance as of Period End	$ 0				$ 0					$ 8,390		$ 0	$ 0	5,936
Discontinued Operations [Member]
Changes in Goodwill
Goodwill impairment								$ (5,700)	$ (3,400)					$ (3,388)