Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Property plant and equipment	$ 92,548	$ 76,722
Less accumulated depreciation and amortization	(9,258)	(8,367)
Property, plant and equipment, net	83,290	68,355
Land
Property, Plant and Equipment [Line Items]
Property plant and equipment	257	257
Building and improvements
Property, Plant and Equipment [Line Items]
Property plant and equipment	17,474	8,613
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property plant and equipment	9,674	9,142
Computer hardware and software
Property, Plant and Equipment [Line Items]
Property plant and equipment	4,059	3,244
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property plant and equipment	553	449
Construction in progress
Property, Plant and Equipment [Line Items]
Property plant and equipment	$ 60,531	$ 55,017