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DEBT - Schedule of Non-Recourse Notes Payable (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended
--- | --- | ---
Feb. 28, 2023 | Mar. 31, 2023 | Mar. 31, 2022
Debt Instrument [Line Items] |  |  |
Proceeds from issuance of non-recourse notes payable |  | $ 479.7 | $ 0.0
Non-recourse | Asset Backed Funding Vehicles |  |  |
Debt Instrument [Line Items] |  |  |
Proceeds from issuance of non-recourse notes payable | $ 480.0 |  |
Non-recourse notes payable | Non-recourse |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt |  | 825.4 |
Aggregate principal amount |  | 1,122.1 |
Non-recourse notes payable | LAD Auto Receivables Trust 2021-1 Class A | Non-recourse |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt |  | 92.7 |
Aggregate principal amount |  | $ 282.8 |
Stated interest rate (percent) |  | 1.30% |
Non-recourse notes payable | LAD Auto Receivables Trust 2021-1 Class B | Non-recourse |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt |  | $ 18.3 |
Aggregate principal amount |  | $ 18.3 |
Stated interest rate (percent) |  | 1.94% |
Non-recourse notes payable | LAD Auto Receivables Trust 2021-1 Class C | Non-recourse |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt |  | $ 26.0 |
Aggregate principal amount |  | $ 26.0 |
Stated interest rate (percent) |  | 2.35% |
Non-recourse notes payable | LAD Auto Receivables Trust 2021-1 Class D | Non-recourse |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt |  | $ 17.2 |
Aggregate principal amount |  | $ 17.2 |
Stated interest rate (percent) |  | 3.99% |
Non-recourse notes payable | LAD Auto Receivables Trust 2022-1 Class A | Non-recourse |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt |  | $ 182.0 |
Aggregate principal amount |  | $ 259.7 |
Stated interest rate (percent) |  | 5.21% |
Non-recourse notes payable | LAD Auto Receivables Trust 2022-1 Class B | Non-recourse |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt |  | $ 15.5 |
Aggregate principal amount |  | $ 15.5 |
Stated interest rate (percent) |  | 5.87% |
Non-recourse notes payable | LAD Auto Receivables Trust 2022-1 Class C | Non-recourse |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt |  | $ 23.0 |
Aggregate principal amount |  | $ 23.0 |
Stated interest rate (percent) |  | 6.85% |
Non-recourse notes payable | LAD Auto Receivables Trust 2023-1 Class A-1 | Non-recourse |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt |  | $ 46.2 |
Aggregate principal amount |  | $ 75.1 |
Stated interest rate (percent) |  | 4.929% |
Non-recourse notes payable | LAD Auto Receivables Trust 2023-1 Class A-2 | Non-recourse |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt |  | $ 242.0 |
Aggregate principal amount |  | $ 242.0 |
Stated interest rate (percent) |  | 5.68% |
Non-recourse notes payable | LAD Auto Receivables Trust 2023-1 Class A-3 | Non-recourse |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt |  | $ 74.4 |
Aggregate principal amount |  | $ 74.4 |
Stated interest rate (percent) |  | 5.48% |
Non-recourse notes payable | LAD Auto Receivables Trust 2023-1 Class B | Non-recourse |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt |  | $ 20.1 |
Aggregate principal amount |  | $ 20.1 |
Stated interest rate (percent) |  | 5.59% |
Non-recourse notes payable | LAD Auto Receivables Trust 2023-1 Class C | Non-recourse |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt |  | $ 36.7 |
Aggregate principal amount |  | $ 36.7 |
Stated interest rate (percent) |  | 6.18% |
Non-recourse notes payable | LAD Auto Receivables Trust 2023-1 Class D | Non-recourse |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt |  | $ 31.3 |
Aggregate principal amount |  | $ 31.3 |
Stated interest rate (percent) |  | 7.30% |

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