Intangible Assets (Details 1) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 20,939	$ 21,123
Accumulated Amortization	(14,129)	(14,902)
Net Carrying Amount	6,810	6,221
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	19,401	19,351
Accumulated Amortization	(13,202)	(13,822)
Net Carrying Amount	6,199	5,529
Intellectual property and other [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,538	1,772
Accumulated Amortization	(927)	(1,080)
Net Carrying Amount	$ 611	$ 692