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Servicing Asset - Unpaid principal balance (Details) - Loan servicing - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | --- | ---
Servicing Assets at Fair Value [Line Items] |  |  |
Loans serviced for others | $ 1,945,760 | $ 862,089 | $ 531,927
SBA guaranteed loans |  |  |
Servicing Assets at Fair Value [Line Items] |  |  |
Loans serviced for others | 1,120,553 | 862,089 | 531,927
Single tenant lease financing |  |  |
Servicing Assets at Fair Value [Line Items] |  |  |
Loans serviced for others | $ 825,207 | $ 0 | $ 0

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