Goodwill & Other Intangible Assets (Details 1) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 16,906	$ 21,123
Accumulated Amortization	(11,081)	(14,902)
Net Carrying Amount	5,825	6,221
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	14,595	19,351
Accumulated Amortization	(9,855)	(13,822)
Net Carrying Amount	4,740	5,529
Intellectual property and other [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,311	1,772
Accumulated Amortization	(1,226)	(1,080)
Net Carrying Amount	$ 1,085	$ 692