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v3.25.1

Note 2 - Investment Securities (Tables) | 3 Months Ended
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Mar. 31, 2025
Notes Tables |
Schedule of Available-for-Sale Securities Reconciliation [Table Text Block] |
(in thousands) |  | Amortized |  |  | Unrealized |  |  |  |
March 31, 2025 |  | cost |  |  | Gains |  |  | Losses |  |  | Fair value |
U.S. Treasury and other U.S. Government obligations |  | $ | 247,835 |  |  | $ | - |  |  | $ | (14 | ) |  | $ | 247,821 |
Government sponsored enterprise obligations |  |  | 86,596 |  |  |  | 111 |  |  |  | (3,810 | ) |  |  | 82,897 |
Mortgage backed securities - government agencies |  |  | 677,301 |  |  |  | 24 |  |  |  | (89,358 | ) |  |  | 587,967 |
Obligations of states and political subdivisions |  |  | 126,185 |  |  |  | 2 |  |  |  | (13,185 | ) |  |  | 113,002 |
Other |  |  | 2,654 |  |  |  | - |  |  |  | (102 | ) |  |  | 2,552 |
Total available for sale debt securities |  | $ | 1,140,571 |  |  | $ | 137 |  |  | $ | (106,469 | ) |  | $ | 1,034,239 |
December 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury and other U.S. Government obligations |  | $ | 198,182 |  |  | $ | 33 |  |  | $ | - |  |  | $ | 198,215 |
Government sponsored enterprise obligations |  |  | 88,895 |  |  |  | 110 |  |  |  | (4,847 | ) |  |  | 84,158 |
Mortgage backed securities - government agencies |  |  | 696,767 |  |  |  | - |  |  |  | (105,790 | ) |  |  | 590,977 |
Obligations of states and political subdivisions |  |  | 128,431 |  |  |  | 1 |  |  |  | (14,198 | ) |  |  | 114,234 |
Other |  |  | 2,686 |  |  |  | - |  |  |  | (156 | ) |  |  | 2,530 |
Total available for sale debt securities |  | $ | 1,114,961 |  |  | $ | 144 |  |  | $ | (124,991 | ) |  | $ | 990,114 |
Debt Securities, Held-to-Maturity [Table Text Block] |
(in thousands) |  | Carrying |  |  | Unrecognized |  |  |  |
March 31, 2025 |  | value |  |  | Gains |  |  | Losses |  |  | Fair value |
U.S. Treasury and other U.S. Government obligations |  | $ | 1,981 |  |  | $ | - |  |  | $ | (50 | ) |  | $ | 1,931 |
Government sponsored enterprise obligations |  |  | 23,467 |  |  |  | - |  |  |  | (1,600 | ) |  |  | 21,867 |
Mortgage backed securities - government agencies |  |  | 187,003 |  |  |  | 3 |  |  |  | (21,787 | ) |  |  | 165,219 |
Total held to maturity debt securities |  | $ | 212,451 |  |  | $ | 3 |  |  | $ | (23,437 | ) |  | $ | 189,017 |
December 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury and other U.S. Government obligations |  | $ | 153,850 |  |  | $ | - |  |  | $ | (741 | ) |  | $ | 153,109 |
Government sponsored enterprise obligations |  |  | 25,395 |  |  |  | - |  |  |  | (2,034 | ) |  |  | 23,361 |
Mortgage backed securities - government agencies |  |  | 190,926 |  |  |  | 2 |  |  |  | (26,041 | ) |  |  | 164,887 |
Total held to maturity debt securities |  | $ | 370,171 |  |  | $ | 2 |  |  | $ | (28,816 | ) |  | $ | 341,357 |
Investments Classified by Contractual Maturity Date [Table Text Block] |
|  | AFS Debt Securities |  |  | HTM Debt Securities |
(in thousands) |  | Amortized cost |  |  | Fair value |  |  | Carrying value |  |  | Fair value |
Due within one year |  | $ | 255,139 |  |  | $ | 255,083 |  |  | $ | 14 |  |  | $ | 14 |
Due after one year but within five years |  |  | 32,719 |  |  |  | 31,413 |  |  |  | 2,631 |  |  |  | 2,568 |
Due after five years but within 10 years |  |  | 95,161 |  |  |  | 83,672 |  |  |  | 22,338 |  |  |  | 20,765 |
Due after 10 years |  |  | 80,251 |  |  |  | 76,104 |  |  |  | 465 |  |  |  | 451 |
Mortgage backed securities - government agencies |  |  | 677,301 |  |  |  | 587,967 |  |  |  | 187,003 |  |  |  | 165,219 |
Total |  | $ | 1,140,571 |  |  | $ | 1,034,239 |  |  | $ | 212,451 |  |  | $ | 189,017 |
Schedule of Unrealized Losses on Securities [Table Text Block] |
|  | AFS Debt Securities |
|  | Less than 12 months |  |  | 12 months or more |  |  | Total |
(in thousands) |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
March 31, 2025 |  | value |  |  | losses |  |  | value |  |  | losses |  |  | value |  |  | losses |
U.S. Treasury and other U.S. Government obligations |  | $ | 247,821 |  |  | $ | (14 | ) |  | $ | - |  |  | $ | - |  |  | $ | 247,821 |  |  | $ | (14 | )
Government sponsored enterprise obligations |  |  | 5,713 |  |  |  | (48 | ) |  |  | 72,185 |  |  |  | (3,786 | ) |  |  | 77,898 |  |  |  | (3,834 | )
Mortgage-backed securities - government agencies |  |  | 18,016 |  |  |  | (212 | ) |  |  | 564,784 |  |  |  | (89,122 | ) |  |  | 582,800 |  |  |  | (89,334 | )
Obligations of states and political subdivisions |  |  | 9,907 |  |  |  | (143 | ) |  |  | 97,798 |  |  |  | (13,042 | ) |  |  | 107,705 |  |  |  | (13,185 | )
Other |  |  | - |  |  |  | - |  |  |  | 2,552 |  |  |  | (102 | ) |  |  | 2,552 |  |  |  | (102 | )
Total AFS debt securities |  | $ | 281,457 |  |  | $ | (417 | ) |  | $ | 737,319 |  |  | $ | (106,052 | ) |  | $ | 1,018,776 |  |  | $ | (106,469 | )
December 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Government sponsored enterprise obligations |  | $ | 5,801 |  |  | $ | (49 | ) |  | $ | 74,478 |  |  | $ | (4,798 | ) |  | $ | 80,279 |  |  | $ | (4,847 | )
Mortgage-backed securities - government agencies |  |  | 23,159 |  |  |  | (579 | ) |  |  | 567,818 |  |  |  | (105,211 | ) |  |  | 590,977 |  |  |  | (105,790 | )
Obligations of states and political subdivisions |  |  | 9,181 |  |  |  | (164 | ) |  |  | 101,407 |  |  |  | (14,034 | ) |  |  | 110,588 |  |  |  | (14,198 | )
Other |  |  | - |  |  |  | - |  |  |  | 2,530 |  |  |  | (156 | ) |  |  | 2,530 |  |  |  | (156 | )
Total AFS debt securities |  | $ | 38,141 |  |  | $ | (792 | ) |  | $ | 746,233 |  |  | $ | (124,199 | ) |  | $ | 784,374 |  |  | $ | (124,991 | )
|  | HTM Debt Securities |
|  | Less than 12 months |  |  | 12 months or more |  |  | Total |
(in thousands) |  | Fair |  |  | Unrecognized |  |  | Fair |  |  | Unrecognized |  |  | Fair |  |  | Unrecognized |
March 31, 2025 |  | value |  |  | losses |  |  | value |  |  | losses |  |  | value |  |  | losses |
U.S. Treasury and other U.S. Government obligations |  | $ | - |  |  | $ | - |  |  | $ | 1,931 |  |  | $ | (50 | ) |  | $ | 1,931 |  |  | $ | (50 | )
Government sponsored enterprise obligations |  |  | 388 |  |  |  | (6 | ) |  |  | 21,479 |  |  |  | (1,594 | ) |  |  | 21,867 |  |  |  | (1,600 | )
Mortgage-backed securities - government agencies |  |  | 151 |  |  |  | (1 | ) |  |  | 164,739 |  |  |  | (21,786 | ) |  |  | 164,890 |  |  |  | (21,787 | )
Total HTM debt securities |  | $ | 539 |  |  | $ | (7 | ) |  | $ | 188,149 |  |  | $ | (23,430 | ) |  | $ | 188,688 |  |  | $ | (23,437 | )
December 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury and other U.S. Government obligations |  | $ | - |  |  | $ | - |  |  | $ | 153,109 |  |  | $ | (741 | ) |  | $ | 153,109 |  |  | $ | (741 | )
Government sponsored enterprise obligations |  |  | 396 |  |  |  | (6 | ) |  |  | 22,965 |  |  |  | (2,028 | ) |  |  | 23,361 |  |  |  | (2,034 | )
Mortgage-backed securities - government agencies |  |  | - |  |  |  | - |  |  |  | 164,724 |  |  |  | (26,041 | ) |  |  | 164,724 |  |  |  | (26,041 | )
Total HTM debt securities |  | $ | 396 |  |  | $ | (6 | ) |  | $ | 340,798 |  |  | $ | (28,810 | ) |  | $ | 341,194 |  |  | $ | (28,816 | )

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