Property, Plant, and equipment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 36,153		$ 36,153		$ 22,390
Less accumulated depreciation	(10,320)		(10,320)		(7,390)
Property, Plant and Equipment, Net, Total	25,833		25,833		15,000
Depreciation and amortization expense	1,780	$ 575	3,030	$ 1,111
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	10,499		10,499		6,616
Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	11,959		11,959		10,665
Vehicles and accessories
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	3,718		3,718
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	5,196		5,196		927
Buildings
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	2,488		2,488		771
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,369		1,369		407
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	660		660		660
Construction in Progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 264		$ 264		$ 2,344