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Note 12 - Commitments, Contingencies, and Concentrations of Credit Risk (Tables) | 12 Months Ended
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Dec. 31, 2022
Notes Tables |
Schedule of Fair Value, off-Balance-Sheet Risks [Table Text Block] |
|  | 2022 |  |  | 2021 |
|  | (dollars in thousands) |
Commitments under commercial loans and lines of credit |  | $ | 662,515 |  |  | $ | 647,971 |
Home equity and other revolving lines of credit |  |  | 54,302 |  |  |  | 53,180 |
Outstanding commercial mortgage loan commitments |  |  | 433,034 |  |  |  | 514,473 |
Standby letters of credit |  |  | 20,770 |  |  |  | 25,271 |
Overdraft protection lines |  |  | 905 |  |  |  | 973 |
Total |  | $ | 1,171,526 |  |  | $ | 1,241,868 |

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