Description of Business (Percentage of Consumer Loans Assigned Based on Volumes) (Details) |
3 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Mar. 31, 2026 |
Dec. 31, 2025 |
Sep. 30, 2025 |
Jun. 30, 2025 |
Mar. 31, 2025 |
Dec. 31, 2024 |
Sep. 30, 2024 |
Jun. 30, 2024 |
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| Portfolio Program [Member] | ||||||||||
| Description Of Business [Line Items] | ||||||||||
| Percentage of new consumer loans unit volume | 72.00% | 74.70% | 73.10% | 71.60% | 77.00% | 78.70% | 79.50% | 78.50% | ||
| Percentage of new consumer loans dollar volume | [1] | 69.20% | 72.40% | 70.60% | 68.30% | 75.10% | 77.70% | 78.40% | 77.30% | |
| Purchase Program [Member] | ||||||||||
| Description Of Business [Line Items] | ||||||||||
| Percentage of new consumer loans unit volume | 28.00% | 25.30% | 26.90% | 28.40% | 23.00% | 21.30% | 20.50% | 21.50% | ||
| Percentage of new consumer loans dollar volume | [1] | 30.80% | 27.60% | 29.40% | 31.70% | 24.90% | 22.30% | 21.60% | 22.70% | |
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