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Note 9 - Commitments and Off-balance Sheet Risk (Tables) | 9 Months Ended
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Sep. 30, 2025
Notes Tables |
Summary of Contractual Amounts of Financial Instruments With Off Balance Sheet Risk [Table Text Block] |
|  | September 30, |  |  | December 31, |
(Dollars in thousands) |  | 2025 |  |  | 2024 |
Commercial unused lines of credit |  | $ | 1,551,843 |  |  | $ | 1,488,782 |
Unused lines of credit secured by 1–4 family residential properties |  |  | 98,313 |  |  |  | 84,298 |
Credit card unused lines of credit |  |  | 196,191 |  |  |  | 172,273 |
Other consumer unused lines of credit |  |  | 40,892 |  |  |  | 33,892 |
Commitments to make loans |  |  | 307,459 |  |  |  | 295,566 |
Standby letters of credit |  |  | 26,334 |  |  |  | 26,491 |
|  | $ | 2,221,032 |  |  | $ | 2,101,302 |

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