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Loans Held for Investment - By Region (Details) | Dec. 31, 2022 | Dec. 31, 2021
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Loans held for investment by Region [Line Items] |  |
Percentage of loans concentrated in major states | 43.10% | 38.40%
California |  |
Loans held for investment by Region [Line Items] |  |
Percentage of loans held in state | 9.80% | 9.60%
New York |  |
Loans held for investment by Region [Line Items] |  |
Percentage of loans held in state | 9.10% | 9.40%
Pennsylvania |  |
Loans held for investment by Region [Line Items] |  |
Percentage of loans held in state | 7.40% | 7.80%
Texas |  |
Loans held for investment by Region [Line Items] |  |
Percentage of loans held in state | 6.00% | 5.60%
New Jersey |  |
Loans held for investment by Region [Line Items] |  |
Percentage of loans held in state | 5.80% | 6.00%
Florida |  |
Loans held for investment by Region [Line Items] |  |
Percentage of loans held in state | 5.00% | 0.00%

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