Business Combinations - Additional Information (Details) - USD ($)												12 Months Ended
		Dec. 01, 2021	Oct. 01, 2021	Sep. 01, 2021	Mar. 01, 2021	Dec. 31, 2020	Oct. 30, 2020	Sep. 01, 2020	Jul. 01, 2020	Jun. 12, 2020	Feb. 14, 2020	Dec. 31, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Cash acquired from acquisition									$ 2,100,000
Enterprise value, net of cash acquired												$ 63,400,000	$ 180,000,000.0
Ginop
Business Acquisition [Line Items]
Total consideration paid												30,200,000
Earn-out liability												900,000
Earn-out payment												1,500,000
Cash acquired from acquisition												700,000
Working capital adjustment												300,000
Business combination enterprise value transferred												29,200,000
Cash consideration paid	[1]											29,300,000
Inventory												14,700,000
Enterprise value, net of cash acquired												29,500,000
Net assets acquired												30,200,000
Ambrose
Business Acquisition [Line Items]
Total consideration paid												13,500,000
Cash acquired from acquisition												200,000
Working capital adjustment												2,800,000
Cash consideration paid												13,100,000
Estimated working capital deficit												600,000
Inventory												7,900,000
Enterprise value, net of cash acquired												12,900,000
Net assets acquired												13,100,000
Midwest Mine
Business Acquisition [Line Items]
Cash consideration paid		$ 6,900,000
Inventory		1,400,000
Enterprise value, net of cash acquired		6,500,000
Net assets acquired		$ 6,900,000
Gibson
Business Acquisition [Line Items]
Total consideration paid			$ 13,800,000
Earn-out liability			4,400,000
Cash consideration paid			10,600,000
Inventory			3,600,000
Enterprise value, net of cash acquired			10,600,000
Net assets acquired			10,600,000
Gibson | New Equipment
Business Acquisition [Line Items]
Inventory			$ 1,200,000
Baron
Business Acquisition [Line Items]
Total consideration paid				$ 1,300,000
Inventory				300,000
Enterprise value, net of cash acquired				1,300,000
Net assets acquired				$ 1,300,000
ScottTech
Business Acquisition [Line Items]
Total consideration paid					$ 2,400,000
Inventory					300,000
Enterprise value, net of cash acquired					1,900,000
Net assets acquired					$ 2,400,000
FlaglerCE Holdings LLC
Business Acquisition [Line Items]
Total consideration paid											$ 75,800,000
Inventory											37,500,000
Enterprise value, net of cash acquired											75,800,000
Net assets acquired											76,200,000
FlaglerCE Holdings LLC | New Equipment
Business Acquisition [Line Items]
Total consideration paid											79,000,000.0
Liftech Equipment Companies, Inc.
Business Acquisition [Line Items]
Total consideration paid											18,400,000
Inventory											9,600,000
Enterprise value, net of cash acquired											18,400,000
Net assets acquired											18,400,000
Liftech Equipment Companies, Inc. | New Equipment
Business Acquisition [Line Items]
Total consideration paid											$ 15,200,000
Peak Logix L L C
Business Acquisition [Line Items]
Total consideration paid										$ 9,400,000
Earn-out liability										1,000,000.0
Earn-out payment										1,700,000
Cash acquired from acquisition										3,000,000.0
Cash consideration paid	[2]									5,700,000
Inventory										400,000
Additional consideration										$ 1,000,000.0
Earn-out payment period										5 years
Enterprise value, net of cash acquired										$ 6,400,000
Net assets acquired										9,400,000
Peak Logix L L C | Minimum
Business Acquisition [Line Items]
Earn-out payment										2,000,000.0
Peak Logix L L C | Maximum
Business Acquisition [Line Items]
Earn-out payment										3,700,000
Peak Logix L L C | Commercial Paper
Business Acquisition [Line Items]
Additional consideration										$ 1,000,000.0
Debt instrument, interest rate										6.00%
Hilo Equipment & Services
Business Acquisition [Line Items]
Total consideration paid									19,300,000
Earn-out liability									800,000
Earn-out payment									1,000,000.0
Inventory									4,700,000
Enterprise value, net of cash acquired									17,200,000
Additional potential earn-out payments									1,000,000.0
Cash consideration paid	[3]								18,500,000
Net assets acquired									19,300,000
Hilo Equipment & Services | New Equipment
Business Acquisition [Line Items]
Total consideration paid									$ 19,000,000.0
Martin
Business Acquisition [Line Items]
Inventory								$ 6,800,000
Enterprise value, net of cash acquired								16,100,000
Net assets acquired								16,100,000
Martin | Industrial Equipment
Business Acquisition [Line Items]
Total consideration paid								16,100,000
Martin | New Equipment
Business Acquisition [Line Items]
Total consideration paid								$ 10,600,000
Howell Tractor
Business Acquisition [Line Items]
Total consideration paid							$ 26,400,000					600,000
Working capital adjustment												27,000,000.0
Cash consideration paid							22,400,000
Inventory							6,300,000
Enterprise value, net of cash acquired							$ 27,000,000.0
Business acquisition, shares issued							507,143
Business acquisition, shares issued, value							$ 4,000,000.0
Net assets acquired							27,000,000.0
Howell Tractor | New Equipment
Business Acquisition [Line Items]
Total consideration paid							$ 23,100,000
Vantage
Business Acquisition [Line Items]
Total consideration paid						$ 22,500,000
Inventory						7,500,000							7,500,000
Enterprise value, net of cash acquired													24,300,000
Cash consideration paid						24,200,000						24,300,000
Net assets acquired						$ 24,300,000						$ 100,000	$ 24,300,000

[1] Includes $0.7 million cash acquired as part of the Business Combination

[2] Includes $3.0 million cash acquired as part of the Business Combination

[3] Includes $2.1 million cash acquired as part of the Business Combination