Intangible Assets (Details 1) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 21,988	$ 16,906
Accumulated Amortization	(13,291)	(11,081)
Net Carrying Amount	8,697	5,825
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	16,452	14,595
Accumulated Amortization	(11,489)	(9,855)
Net Carrying Amount	4,963	4,740
Intellectual property and other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	5,536	2,311
Accumulated Amortization	(1,802)	(1,226)
Net Carrying Amount	$ 3,734	$ 1,085