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Floor Plan Financing - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Jul. 31, 2024
Debt Instrument [Line Items] |  |  |  |  |
Interest expense | $ 15.4 | $ 8.1 | $ 28.3 | $ 14.9 |
Daimler Truck Financial | Line of Credit |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, interest free period (up to) |  |  | 150 days |  |
Maximum borrowing capacity | 175.0 |  | $ 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 |  | $ 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 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Maximum borrowing capacity | 30.0 |  | $ 30.0 |  |
FMCC Facility | Line of Credit | Subsequent Event |  |  |  |  |
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 | $ 480.0 |  | $ 480.0 |  |
PNC Equipment Finance, LLC | Line of Credit | Revolving Credit Facility | PNC Equipment Finance, LLC | Subsequent Event |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Maximum borrowing capacity |  |  |  |  | $ 500.0
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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