Intangible Assets (Details 1) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 27,158	$ 31,460
Accumulated Amortization	(8,406)	(10,527)
Net Carrying Amount	18,752	20,933
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	22,212	26,524
Accumulated Amortization	(5,656)	(8,547)
Net Carrying Amount	16,556	17,977
Intellectual property and other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	4,946	4,936
Accumulated Amortization	(2,750)	(1,980)
Net Carrying Amount	$ 2,196	$ 2,956