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Loans Held for Investment - By Region (Details) | Dec. 31, 2023 | Dec. 31, 2022
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Loans held for investment by Region [Line Items] |  |
Percentage of loans concentrated in major states | 43.50% | 43.10%
California |  |
Loans held for investment by Region [Line Items] |  |
Percentage of loans held in state | 10.10% | 9.80%
New York |  |
Loans held for investment by Region [Line Items] |  |
Percentage of loans held in state | 9.00% | 9.10%
Pennsylvania |  |
Loans held for investment by Region [Line Items] |  |
Percentage of loans held in state | 7.20% | 7.40%
Texas |  |
Loans held for investment by Region [Line Items] |  |
Percentage of loans held in state | 6.30% | 5.80%
New Jersey |  |
Loans held for investment by Region [Line Items] |  |
Percentage of loans held in state | 5.60% | 6.00%
Florida |  |
Loans held for investment by Region [Line Items] |  |
Percentage of loans held in state | 5.30% | 5.00%

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