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v3.23.2

Note 3 - Securities (Tables) | 6 Months Ended
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Jun. 30, 2023
Notes Tables |
Debt Securities, Available-for-Sale [Table Text Block] |
|  | June 30, 2023 |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Allowance for Credit Losses |  |  | Fair Value |
Available for Sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasuries |  | $ | 994 |  |  | $ | - |  |  | $ | 54 |  |  | $ | - |  |  | $ | 940 |
U.S. Government agencies and corporations |  |  | 353,788 |  |  |  | - |  |  |  | 48,887 |  |  |  | - |  |  |  | 304,901 |
States and political subdivisions |  |  | 179,889 |  |  |  | - |  |  |  | 32,743 |  |  |  | - |  |  |  | 147,146 |
Mortgage-backed securities |  |  | 164,015 |  |  |  | - |  |  |  | 8,427 |  |  |  | - |  |  |  | 155,588 |
Corporate debt securities |  |  | 6,503 |  |  |  | - |  |  |  | 900 |  |  |  | - |  |  |  | 5,603 |
Total securities available for sale |  | $ | 705,189 |  |  | $ | - |  |  | $ | 91,011 |  |  | $ | - |  |  | $ | 614,178 |
|  | December 31, 2022 |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
Available for Sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasuries |  | $ | 992 |  |  | $ | - |  |  | $ | 56 |  |  | $ | 936 |
U.S. Government agencies and corporations |  |  | 391,538 |  |  |  | 39 |  |  |  | 55,002 |  |  |  | 336,575 |
States and political subdivisions |  |  | 190,192 |  |  |  | 26 |  |  |  | 38,018 |  |  |  | 152,200 |
Mortgage-backed securities |  |  | 170,694 |  |  |  | 22 |  |  |  | 9,239 |  |  |  | 161,477 |
Corporate debt securities |  |  | 6,501 |  |  |  | - |  |  |  | 837 |  |  |  | 5,664 |
Total securities available for sale |  | $ | 759,917 |  |  | $ | 87 |  |  | $ | 103,152 |  |  | $ | 656,852 |
Investments Classified by Contractual Maturity Date [Table Text Block] |
|  | June 30, 2023 |
|  | Amortized Cost |  |  | Fair Value |
Available for Sale: |  |  |  |  |  |  |  |
Due in one year or less |  | $ | 1,897 |  |  | $ | 1,868 |
Due after one year through five years |  |  | 139,460 |  |  |  | 128,835 |
Due after five years through ten years |  |  | 299,548 |  |  |  | 255,178 |
Due after ten years |  |  | 264,284 |  |  |  | 228,297 |
Total securities available for sale |  | $ | 705,189 |  |  | $ | 614,178 |
Schedule of Temporary Impairment Losses, Investments [Table Text Block] |
|  | June 30, 2023 |
|  | Less Than 12 Months |  |  | 12 Months or More |
|  | Fair Value |  |  | Unrealized Loss |  |  | Fair Value |  |  | Unrealized Loss |
U.S. Treasuries |  | $ | - |  |  | $ | - |  |  | $ | 940 |  |  | $ | 54 |
U.S. Government agencies and corporations |  |  | 24,782 |  |  |  | 1,131 |  |  |  | 280,119 |  |  |  | 47,756 |
States and political subdivisions |  |  | 2,070 |  |  |  | 35 |  |  |  | 144,831 |  |  |  | 32,708 |
Mortgage-backed securities |  |  | 4,977 |  |  |  | 66 |  |  |  | 150,514 |  |  |  | 8,361 |
Corporate debt securities |  |  | - |  |  |  | - |  |  |  | 5,603 |  |  |  | 900 |
Total available for sale securities |  | $ | 31,829 |  |  | $ | 1,232 |  |  | $ | 582,007 |  |  | $ | 89,779 |
|  | December 31, 2022 |
|  | Less Than 12 Months |  |  | 12 Months or More |
|  | Fair Value |  |  | Unrealized Loss |  |  | Fair Value |  |  | Unrealized Loss |
U.S. Treasuries |  | $ | 936 |  |  | $ | 56 |  |  | $ | - |  |  | $ | - |
U.S. Government agencies and corporations |  |  | 144,574 |  |  |  | 12,699 |  |  |  | 190,950 |  |  |  | 42,303 |
States and political subdivisions |  |  | 94,657 |  |  |  | 18,373 |  |  |  | 52,134 |  |  |  | 19,645 |
Mortgage-backed securities |  |  | 144,198 |  |  |  | 7,326 |  |  |  | 15,165 |  |  |  | 1,913 |
Corporate debt securities |  |  | 4,843 |  |  |  | 655 |  |  |  | 821 |  |  |  | 182 |
Total temporarily impaired securities |  | $ | 389,208 |  |  | $ | 39,109 |  |  | $ | 259,070 |  |  | $ | 64,043 |

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