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Servicing Asset - Unpaid principal balance (Details) - Loan servicing - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Servicing Assets at Fair Value [Line Items] |  |
Loans serviced for others | $ 464,753 | $ 318,194
SBA guaranteed loans |  |
Servicing Assets at Fair Value [Line Items] |  |
Loans serviced for others | $ 464,753 | $ 318,194

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