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Goodwill and Other Intangible Assets - Amortization expense (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Estimated amortization expense |  |
Net carrying amount | $ 409,890 | $ 66,458
Other intangibles, excluding the SBA servicing assets |  |
Estimated amortization expense |  |
December 31, 2025 | 23,417 |
March 31, 2026 | 21,304 |
June 30, 2026 | 21,041 |
September 30, 2026 | 20,628 |
December 31, 2026 | 20,628 |
Thereafter | 297,213 |
Net carrying amount | $ 404,231 |

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