Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Property plant and equipment	$ 98,199	$ 76,722
Less accumulated depreciation and amortization	(9,812)	(8,367)
Property, plant and equipment, net	88,387	68,355
Land
Property, Plant and Equipment [Line Items]
Property plant and equipment	401	257
Building and improvements
Property, Plant and Equipment [Line Items]
Property plant and equipment	17,486	8,613
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property plant and equipment	10,172	9,142
Computer hardware and software
Property, Plant and Equipment [Line Items]
Property plant and equipment	4,111	3,244
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property plant and equipment	519	449
Construction in progress
Property, Plant and Equipment [Line Items]
Property plant and equipment	$ 65,510	$ 55,017