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v3.25.3

Note 3 - Securities (Tables) | 9 Months Ended
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Sep. 30, 2025
Notes Tables |
Debt Securities, Available-for-Sale [Table Text Block] |
|  |  |  |  |  | Gross |  |  | Gross |  |  |  |  |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  |  |  |
(In Thousands of Dollars) |  | Cost |  |  | Gains |  |  | Losses |  |  | Fair Value |
September 30, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury and U.S. government sponsored entities |  | $ | 105,155 |  |  | $ | 34 |  |  | $ | (10,237 | ) |  | $ | 94,952 |
State and political subdivisions |  |  | 590,327 |  |  |  | 1,916 |  |  |  | (96,449 | ) |  |  | 495,794 |
Corporate bonds |  |  | 16,674 |  |  |  | 167 |  |  |  | (370 | ) |  |  | 16,471 |
Mortgage-backed securities |  |  | 622,160 |  |  |  | 677 |  |  |  | (87,078 | ) |  |  | 535,759 |
Collateralized mortgage obligations |  |  | 160,784 |  |  |  | 1,336 |  |  |  | (5,468 | ) |  |  | 156,652 |
Small Business Administration |  |  | 2,303 |  |  |  | 0 |  |  |  | (165 | ) |  |  | 2,138 |
Totals |  | $ | 1,497,403 |  |  | $ | 4,130 |  |  | $ | (199,767 | ) |  | $ | 1,301,766 |
|  |  |  |  |  | Gross |  |  | Gross |  |  |  |  |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  |  |  |
(In Thousands of Dollars) |  | Cost |  |  | Gains |  |  | Losses |  |  | Fair Value |
December 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury and U.S. government sponsored entities |  | $ | 132,292 |  |  | $ | 0 |  |  | $ | (17,185 | ) |  | $ | 115,107 |
State and political subdivisions |  |  | 609,950 |  |  |  | 1,294 |  |  |  | (106,364 | ) |  |  | 504,880 |
Corporate bonds |  |  | 17,849 |  |  |  | 172 |  |  |  | (573 | ) |  |  | 17,448 |
Mortgage-backed securities |  |  | 605,350 |  |  |  | 34 |  |  |  | (112,517 | ) |  |  | 492,867 |
Collateralized mortgage obligations |  |  | 142,525 |  |  |  | 85 |  |  |  | (8,834 | ) |  |  | 133,776 |
Small Business Administration |  |  | 2,715 |  |  |  | 0 |  |  |  | (240 | ) |  |  | 2,475 |
Totals |  | $ | 1,510,681 |  |  | $ | 1,585 |  |  | $ | (245,713 | ) |  | $ | 1,266,553 |
Gain (Loss) on Securities [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
(In Thousands of Dollars) |  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Proceeds |  | $ | 28,750 |  |  | $ | 4,109 |  |  | $ | 52,651 |  |  | $ | 48,865 |
Gross gains |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 17 |
Gross losses |  |  | (960 | ) |  |  | (421 | ) |  |  | (2,294 | ) |  |  | (2,697 | )
Investments Classified by Contractual Maturity Date [Table Text Block] |
|  | September 30, 2025 |
(In Thousands of Dollars) |  | Amortized Cost |  |  | Fair Value |
Maturity |  |  |  |  |  |  |  |
Within one year |  | $ | 3,704 |  |  | $ | 3,693 |
One to five years |  |  | 52,132 |  |  |  | 48,284 |
Five to ten years |  |  | 166,010 |  |  |  | 153,720 |
Beyond ten years |  |  | 490,310 |  |  |  | 401,520 |
Mortgage-backed, collateralized mortgage obligations and Small Business Administration securities |  |  | 785,247 |  |  |  | 694,549 |
Total |  | $ | 1,497,403 |  |  | $ | 1,301,766 |
Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] |
|  | Less than 12 Months |  |  | 12 Months or Longer |  |  | Total |
|  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
(In Thousands of Dollars) |  | Value |  |  | Loss |  |  | Value |  |  | Loss |  |  | Value |  |  | Loss |
September 30, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury and U.S. government sponsored entities |  | $ | 1,060 |  |  | $ | (3 | ) |  | $ | 92,690 |  |  | $ | (10,234 | ) |  | $ | 93,750 |  |  | $ | (10,237 | )
State and political subdivisions |  |  | 21,246 |  |  |  | (1,249 | ) |  |  | 420,822 |  |  |  | (95,200 | ) |  |  | 442,068 |  |  |  | (96,449 | )
Corporate bonds |  |  | 4,247 |  |  |  | (38 | ) |  |  | 8,029 |  |  |  | (332 | ) |  |  | 12,276 |  |  |  | (370 | )
Mortgage-backed securities |  |  | 862 |  |  |  | (23 | ) |  |  | 444,752 |  |  |  | (87,055 | ) |  |  | 445,614 |  |  |  | (87,078 | )
Collateralized mortgage obligations |  |  | 42,985 |  |  |  | (301 | ) |  |  | 50,675 |  |  |  | (5,167 | ) |  |  | 93,660 |  |  |  | (5,468 | )
Small Business Administration |  |  | 0 |  |  |  | 0 |  |  |  | 2,138 |  |  |  | (165 | ) |  |  | 2,138 |  |  |  | (165 | )
Total |  | $ | 70,400 |  |  | $ | (1,614 | ) |  | $ | 1,019,106 |  |  | $ | (198,153 | ) |  | $ | 1,089,506 |  |  | $ | (199,767 | )
|  | Less than 12 Months |  |  | 12 Months or Longer |  |  | Total |
|  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
(In Thousands of Dollars) |  | Value |  |  | Loss |  |  | Value |  |  | Loss |  |  | Value |  |  | Loss |
December 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury and U.S. government sponsored entities |  | $ | 4,592 |  |  | $ | (320 | ) |  | $ | 110,515 |  |  | $ | (16,865 | ) |  | $ | 115,107 |  |  | $ | (17,185 | )
State and political subdivisions |  |  | 66,436 |  |  |  | (4,946 | ) |  |  | 400,911 |  |  |  | (101,418 | ) |  |  | 467,347 |  |  |  | (106,364 | )
Corporate bonds |  |  | 4,303 |  |  |  | (146 | ) |  |  | 8,568 |  |  |  | (427 | ) |  |  | 12,871 |  |  |  | (573 | )
Mortgage-backed securities |  |  | 30,143 |  |  |  | (365 | ) |  |  | 460,172 |  |  |  | (112,152 | ) |  |  | 490,315 |  |  |  | (112,517 | )
Collateralized mortgage obligations |  |  | 65,046 |  |  |  | (2,210 | ) |  |  | 51,405 |  |  |  | (6,624 | ) |  |  | 116,451 |  |  |  | (8,834 | )
Small Business Administration |  |  | 0 |  |  |  | 0 |  |  |  | 2,475 |  |  |  | (240 | ) |  |  | 2,475 |  |  |  | (240 | )
Total |  | $ | 170,520 |  |  | $ | (7,987 | ) |  | $ | 1,034,046 |  |  | $ | (237,726 | ) |  | $ | 1,204,566 |  |  | $ | (245,713 | )

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