Intangible Assets (Details 1) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 22,157	$ 24,763
Accumulated Amortization	(14,911)	(14,228)
Net Carrying Amount	7,246	10,535
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	20,380	22,603
Accumulated Amortization	(13,916)	(13,042)
Net Carrying Amount	6,464	9,561
Intellectual property and other [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,777	2,160
Accumulated Amortization	(995)	(1,186)
Net Carrying Amount	$ 782	$ 974