Intangible Assets (Details 1) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 27,129	$ 20,628
Accumulated Amortization	(9,207)	(12,265)
Net Carrying Amount	17,922	8,363
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	22,491	16,330
Accumulated Amortization	(7,551)	(11,140)
Net Carrying Amount	14,940	5,190
Intellectual property and other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	4,638	4,298
Accumulated Amortization	(1,656)	(1,125)
Net Carrying Amount	$ 2,982	$ 3,173