Subsequent Events - Additional Information (Details) $ in Millions		1 Months Ended	6 Months Ended
	Jul. 01, 2020 USD ($) Branch	Jul. 31, 2020	Jun. 30, 2020
Martin Implement Sales, Inc.
Subsequent Event [Line Items]
Name of acquired entity			Martin Implement Sales, Inc.
Description of acquired entity			Martin Implement Sales, Inc., a privately held premium distributor of construction and agricultural equipment in the greater Chicago area.
Description of closing date of acquisition			The acquisition is expected to close during the third quarter of 2020.
Martin Implement Sales, Inc. | Subsequent Event
Subsequent Event [Line Items]
Date of acquisition agreement		Jul. 31, 2020
Hilo Equipment & Services | Subsequent Event
Subsequent Event [Line Items]
Closing date of acquisition	Jul. 01, 2020
Total purchase price | $	$ 17.3
Hilo Equipment & Services | Subsequent Event | New York City
Subsequent Event [Line Items]
Number of branches associated with acquisition | Branch	3