Intangible Assets (Details 1) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 20,578	$ 16,906
Accumulated Amortization	(11,260)	(11,081)
Net Carrying Amount	9,318	5,825
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	16,280	14,595
Accumulated Amortization	(10,385)	(9,855)
Net Carrying Amount	5,895	4,740
Intellectual property and other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	4,298	2,311
Accumulated Amortization	(875)	(1,226)
Net Carrying Amount	$ 3,423	$ 1,085