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FLOOR PLAN NOTES PAYABLE - Narrative (Details) - USD ($) $ in Millions | Apr. 09, 2025 | Apr. 08, 2025 | Mar. 31, 2025 | Dec. 31, 2024
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Floor Plan Notes Payable [Line Items] |  |  |  |
Debt instrument, conversion, maximum convertible amount, amount subtracted from contractual total |  |  | $ 50.0 |
Loaner Vehicle Notes Payable - Bank of America |  |  |  |
Floor Plan Notes Payable [Line Items] |  |  |  |
Notes payable |  |  | 56.8 | $ 56.7
Loaner Vehicle Floorplan Facility |  |  |  |
Floor Plan Notes Payable [Line Items] |  |  |  |
Notes payable |  |  | $ 161.0 | $ 161.5
2023 Senior Credit Facility | Line of Credit | Revolving Credit Facility | Subsequent Event |  |  |  |
Floor Plan Notes Payable [Line Items] |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 925.0 | $ 500.0 |  |
2023 Senior Credit Facility | Line of Credit | New Vehicle Floor Plan Facility | Subsequent Event |  |  |  |
Floor Plan Notes Payable [Line Items] |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 2,250.0 | $ 1,930.0 |  |

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