v3.8.0.1
Property and Equipment (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Property, Plant and Equipment [Line Items]      
Property and equipment, gross $ 209,254   $ 187,572
Less accumulated depreciation (16,740)   (13,451)
Property and equipment, net 192,514   174,121
Depreciation expense 3,400 $ 2,800  
Land and buildings      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross 37,332   32,088
Machinery and equipment      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross 151,860   141,995
Construction in progress      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross $ 20,062   $ 13,489