Floor Plan Financing - Summary of Floor Plan Payables (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Debt Instrument, Redemption [Line Items]
Trade floor plan payables	$ 139,723	$ 136,634
Non-trade floor plan payables	366,092	293,536
Daimler Truck Financial
Debt Instrument, Redemption [Line Items]
Trade floor plan payables	93,236	105,447
PACCAR Financial Services
Debt Instrument, Redemption [Line Items]
Trade floor plan payables	46,487	31,187
PNC Equipment Finance, LLC
Debt Instrument, Redemption [Line Items]
Non-trade floor plan payables	$ 366,092	$ 293,536