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Auto Loan Receivables (Auto Loan Receivables, Net) (Details) - USD ($) $ in Thousands | Aug. 31, 2024 | May 31, 2024 | Feb. 29, 2024 | Aug. 31, 2023 | May 31, 2023 | Feb. 28, 2023
--- | --- | --- | --- | --- | --- | ---
Non-recourse Notes Payable | $ 17,095,229 |  | $ 16,866,972 |  |  |
Financing Receivable, before Allowance for Credit Loss | 17,769,400 |  | 17,391,800 |  |  |
Interest Receivable | 103,600 |  | 90,900 |  |  |
Other | 41,400 |  | 11,900 |  |  |
Financing Receivable, Allowance for Credit Loss | 500,834 | $ 493,100 | 482,790 | $ 538,000 | $ 535,400 | $ 507,200
Financing Receivable, after Allowance for Credit Loss | 17,413,589 |  | 17,011,844 |  |  |
Asset-backed term funding |  |  |  |  |  |
Financing Receivable, before Allowance for Credit Loss | 12,801,500 |  | 12,638,200 |  |  |
Warehouse facilities |  |  |  |  |  |
Financing Receivable, before Allowance for Credit Loss | 3,743,600 |  | 3,744,600 |  |  |
Overcollateralization |  |  |  |  |  |
Financing Receivable, before Allowance for Credit Loss | 775,900 |  | 790,900 |  |  |
Other managed receivables |  |  |  |  |  |
Financing Receivable, before Allowance for Credit Loss | $ 448,400 |  | $ 218,100 |  |  |

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