Intangible Assets (Details 1) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 26,472	$ 31,460
Accumulated Amortization	(9,132)	(10,527)
Net Carrying Amount	17,340	20,933
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	21,967	26,524
Accumulated Amortization	(6,437)	(8,547)
Net Carrying Amount	15,530	17,977
Intellectual property and other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	4,505	4,936
Accumulated Amortization	(2,695)	(1,980)
Net Carrying Amount	$ 1,810	$ 2,956