v3.10.0.1
Property and Equipment (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Property, Plant and Equipment [Line Items]          
Property and equipment, gross $ 231,981   $ 231,981   $ 187,572
Less accumulated depreciation (24,662)   (24,662)   (13,451)
Property and equipment, net 207,319   207,319   174,121
Depreciation expense 4,100 $ 3,100 11,300 $ 8,900  
Land and buildings          
Property, Plant and Equipment [Line Items]          
Property and equipment, gross 38,203   38,203   32,088
Machinery and equipment          
Property, Plant and Equipment [Line Items]          
Property and equipment, gross 172,290   172,290   141,995
Construction in progress          
Property, Plant and Equipment [Line Items]          
Property and equipment, gross $ 21,488   $ 21,488   $ 13,489