Intangible Assets (Details 1) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 19,643	$ 16,906
Accumulated Amortization	(11,984)	(11,081)
Net Carrying Amount	7,659	5,825
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	15,136	14,595
Accumulated Amortization	(10,531)	(9,855)
Net Carrying Amount	4,605	4,740
Intellectual property and other [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	4,507	2,311
Accumulated Amortization	(1,453)	(1,226)
Net Carrying Amount	$ 3,054	$ 1,085