Business Combinations - Additional Information (Details) - USD ($)							9 Months Ended
		Sep. 01, 2020	Jul. 01, 2020	Jun. 12, 2020	Feb. 14, 2020	May 01, 2019	Sep. 30, 2020	Sep. 30, 2019
Business Acquisition [Line Items]
Enterprise value, net of cash acquired			$ 2,100,000	$ 3,000,000			$ 128,800,000	$ 65,600,000
FlaglerCE Holdings LLC
Business Acquisition [Line Items]
Total consideration paid					$ 75,800,000
Percentage of goodwill expected to be deductible for income tax purposes					100.00%
Enterprise value, net of cash acquired					$ 75,400,000
FlaglerCE Holdings LLC | New Equipment
Business Acquisition [Line Items]
Additional floorplan borrowings					1,200,000
Enterprise value, net of cash acquired					74,200,000
Liftech Equipment Companies, Inc.
Business Acquisition [Line Items]
Total consideration paid					$ 18,400,000
Percentage of goodwill expected to be deductible for income tax purposes					100.00%
Enterprise value, net of cash acquired					$ 18,400,000
Liftech Equipment Companies, Inc. | New Equipment
Business Acquisition [Line Items]
Total consideration paid					15,900,000
Additional floorplan borrowings					$ 2,500,000
Peak Logix LLC
Business Acquisition [Line Items]
Total consideration paid				$ 9,400,000
Percentage of goodwill expected to be deductible for income tax purposes				100.00%
Enterprise value, net of cash acquired				$ 6,400,000
Cash Consideration paid	[1]			5,700,000
Additional consideration				1,000,000
Earn-out payment				$ 1,700,000
Earn-out payment period				5 years
Peak Logix LLC | Minimum
Business Acquisition [Line Items]
Earn-out payment				$ 2,000,000
Peak Logix LLC | Maximum
Business Acquisition [Line Items]
Earn-out payment				3,700,000
Peak Logix LLC | Commercial Paper
Business Acquisition [Line Items]
Additional consideration				$ 1,000,000
Debt instrument, interest rate				6.00%
Hilo Equipment & Services
Business Acquisition [Line Items]
Total consideration paid			$ 19,000,000
Percentage of goodwill expected to be deductible for income tax purposes			100.00%
Enterprise value, net of cash acquired			$ 16,900,000
Cash Consideration paid	[2]		18,200,000
Additional earn-out payment			1,000,000
Hilo Equipment & Services | New Equipment
Business Acquisition [Line Items]
Enterprise value, net of cash acquired			$ 16,900,000
Martin Implement Sales, Inc.
Business Acquisition [Line Items]
Total consideration paid		$ 16,200,000
Percentage of goodwill expected to be deductible for income tax purposes		100.00%
Enterprise value, net of cash acquired		$ 16,200,000
Martin Implement Sales, Inc. | New Equipment
Business Acquisition [Line Items]
Total consideration paid		14,100,000
Additional floorplan borrowings		$ 2,100,000
Northland Industrial Truck Co., Inc
Business Acquisition [Line Items]
Total consideration paid						$ 65,600,000
Northland Industrial Truck Co., Inc | Industrial Equipment
Business Acquisition [Line Items]
Goodwill expected to be deductible for income tax purposes						1,000,000
Northland Industrial Truck Co., Inc | New Equipment
Business Acquisition [Line Items]
Total consideration paid						42,100,000
Additional floorplan borrowings						$ 23,500,000

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

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