Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Property Plant and Equipment	$ 76,722	$ 32,851
Less accumulated depreciation and amortization	(8,367)	(6,636)
Property, plant and equipment, net	68,355	26,215
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	8,613	8,515
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property Plant and Equipment	9,142	7,515
Computer hardware and software
Property, Plant and Equipment [Line Items]
Property Plant and Equipment	3,244	724
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property Plant and Equipment	449	344
Construction in progress
Property, Plant and Equipment [Line Items]
Property Plant and Equipment	$ 55,017	$ 15,496