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Note 8 - Commitments and Off-balance Sheet Risk (Tables) | 6 Months Ended
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Jun. 30, 2022
Notes Tables |
Summary of Contractual Amounts of Financial Instruments With Off Balance Sheet Risk [Table Text Block] |
|  | June 30, 2022 |  |  | December 31, 2021 |
Commercial unused lines of credit |  | $ | 1,158,512,000 |  |  | $ | 1,098,951,000 |
Unused lines of credit secured by 1 – 4 family residential properties |  |  | 66,431,000 |  |  |  | 64,313,000 |
Credit card unused lines of credit |  |  | 106,939,000 |  |  |  | 92,146,000 |
Other consumer unused lines of credit |  |  | 91,987,000 |  |  |  | 64,876,000 |
Commitments to make loans |  |  | 252,579,000 |  |  |  | 212,476,000 |
Standby letters of credit |  |  | 35,005,000 |  |  |  | 33,109,000 |
|  | $ | 1,711,453,000 |  |  | $ | 1,565,871,000 |

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