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Floor Plan Financing - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Apr. 30, 2024	Apr. 02, 2024
Debt Instrument [Line Items]
Interest expense	$ 12.9	$ 6.8
Daimler Truck Financial | Line of Credit
Debt Instrument [Line Items]
Debt instrument, interest free period (up to)	150 days
Maximum borrowing capacity	$ 175.0
Daimler Truck Financial | Line of Credit | Prime Rate
Debt Instrument [Line Items]
Debt instrument, basis spread	0.80%
PACCAR Financial Corp | Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 125.0
PACCAR Financial Corp | Line of Credit | Prime Rate
Debt Instrument [Line Items]
Debt instrument, basis spread	(0.71%)
FMCC Facility | Line of Credit | Subsequent Event
Debt Instrument [Line Items]
Maximum borrowing capacity				$ 30.0
PNC Equipment Finance, LLC | Line of Credit | Revolving Credit Facility | PNC Equipment Finance, LLC
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 460.0
PNC Equipment Finance, LLC | Line of Credit | Revolving Credit Facility | PNC Equipment Finance, LLC | Subsequent Event
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 480.0
PNC Equipment Finance, LLC | Line of Credit | Secured Overnight Financing Rate (SOFR) | Revolving Credit Facility | PNC Equipment Finance, LLC
Debt Instrument [Line Items]
Debt instrument, basis spread	3.00%

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