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Floor Plan Financing - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Floor Plan Financing Arrangements
Debt Instrument [Line Items]
Interest expense	$ 13.3	$ 12.9
Daimler Truck Financial | Line of Credit
Debt Instrument [Line Items]
Debt instrument, interest free period (up to)	150 days
Maximum borrowing capacity	$ 225.0
Daimler Truck Financial | Line of Credit | Prime Rate
Debt Instrument [Line Items]
Debt instrument, basis spread	0.00%		0.80%
PACCAR Financial Services | Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 175.0
PACCAR Financial Services | Line of Credit | Prime Rate
Debt Instrument [Line Items]
Debt instrument, basis spread	(0.71%)
Ford Motor Credit Company, LLC | Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 42.0
PNC Equipment Finance, LLC | Line of Credit | Revolving Credit Facility | PNC Equipment Finance, LLC
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 520.0
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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