Property and Equipment, net (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Gross property and equipment	$ 290,847	$ 274,557
Less: Accumulated depreciation	(171,995)	(147,221)
Net property and equipment	118,852	127,336
Total property and equipment, net	133,006	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	22,381	21,935
Machinery and equipment
Property, Plant and Equipment [Line Items]
Gross property and equipment	58,168	57,726
Vehicles under finance lease
Property, Plant and Equipment [Line Items]
Vehicles under finance lease	22,036	14,371
Rental equipment
Property, Plant and Equipment [Line Items]
Gross property and equipment	179,507	172,012
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Gross property and equipment	1,777	1,780
Computers and software
Property, Plant and Equipment [Line Items]
Gross property and equipment	3,775	3,530
Construction in progress
Property, Plant and Equipment [Line Items]
Gross property and equipment	$ 14,154	$ 15,489