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v3.26.1

Description of Business (Percentage of Consumer Loans Assigned Based on Volumes) (Details) | 3 Months Ended
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Jun. 30, 2026 | Mar. 31, 2026 | Dec. 31, 2025 | Sep. 30, 2025 | Jun. 30, 2025 | Mar. 31, 2025 | Dec. 31, 2024 | Sep. 30, 2024
Portfolio Program [Member] |  |  |  |  |  |  |  |  |
Description Of Business [Line Items] |  |  |  |  |  |  |  |  |
Percentage of new consumer loans unit volume |  | 68.50% | 72.00% | 74.70% | 73.10% | 71.60% | 77.00% | 78.70% | 79.50%
Percentage of new consumer loans dollar volume | [1] | 65.20% | 69.20% | 72.40% | 70.60% | 68.30% | 75.10% | 77.70% | 78.40%
Purchase Program [Member] |  |  |  |  |  |  |  |  |
Description Of Business [Line Items] |  |  |  |  |  |  |  |  |
Percentage of new consumer loans unit volume |  | 31.50% | 28.00% | 25.30% | 26.90% | 28.40% | 23.00% | 21.30% | 20.50%
Percentage of new consumer loans dollar volume | [1] | 34.80% | 30.80% | 27.60% | 29.40% | 31.70% | 24.90% | 22.30% | 21.60%
[1] | Represents advances paid to Dealers on Consumer Loans assigned under the Portfolio Program and one-time payments made to Dealers to purchase Consumer Loans assigned under the Purchase Program. Payments of Dealer Holdback (as defined below) and accelerated Dealer Holdback are not included.

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- Details
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