Property and Equipment, net (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Gross property and equipment	$ 287,027	$ 274,557
Less: Accumulated depreciation	(164,607)	(147,221)
Net property and equipment	122,420	127,336
Total property and equipment, net	136,183	142,825
Land
Property, Plant and Equipment [Line Items]
Gross property and equipment	3,203	3,203
Buildings and improvements
Property, Plant and Equipment [Line Items]
Gross property and equipment	22,110	21,935
Machinery and equipment
Property, Plant and Equipment [Line Items]
Gross property and equipment	58,211	57,726
Vehicles under finance lease
Property, Plant and Equipment [Line Items]
Vehicles under finance lease	20,551	14,371
Rental equipment
Property, Plant and Equipment [Line Items]
Gross property and equipment	177,644	172,012
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Gross property and equipment	1,780	1,780
Computers and software
Property, Plant and Equipment [Line Items]
Gross property and equipment	3,528	3,530
Construction in progress
Property, Plant and Equipment [Line Items]
Gross property and equipment	$ 13,763	$ 15,489