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v3.23.3

Note 2 - Investment Securities (Tables) | 9 Months Ended
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Sep. 30, 2023
Notes Tables |
Schedule of Available-for-Sale Securities Reconciliation [Table Text Block] |
(in thousands) |  | Amortized |  |  | Unrealized |  |  | Fair |
September 30, 2023 |  | cost |  |  | Gains |  |  | Losses |  |  | value |
U.S. Treasury and other U.S. Government obligations |  | $ | 123,500 |  |  | $ | - |  |  | $ | (5,491 | ) |  | $ | 118,009 |
Government sponsored enterprise obligations |  |  | 115,862 |  |  |  | 184 |  |  |  | (6,813 | ) |  |  | 109,233 |
Mortgage backed securities - government agencies |  |  | 814,224 |  |  |  | - |  |  |  | (141,558 | ) |  |  | 672,666 |
Obligations of states and political subdivisions |  |  | 138,279 |  |  |  | - |  |  |  | (21,388 | ) |  |  | 116,891 |
Other |  |  | 3,856 |  |  |  | - |  |  |  | (407 | ) |  |  | 3,449 |
Total available for sale debt securities |  | $ | 1,195,721 |  |  | $ | 184 |  |  | $ | (175,657 | ) |  | $ | 1,020,248 |
December 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury and other U.S. Government obligations |  | $ | 122,966 |  |  | $ | - |  |  | $ | (7,927 | ) |  | $ | 115,039 |
Government sponsored enterprise obligations |  |  | 149,773 |  |  |  | 290 |  |  |  | (6,437 | ) |  |  | 143,626 |
Mortgage backed securities - government agencies |  |  | 874,265 |  |  |  | 58 |  |  |  | (121,585 | ) |  |  | 752,738 |
Obligations of states and political subdivisions |  |  | 145,016 |  |  |  | 1 |  |  |  | (17,418 | ) |  |  | 127,599 |
Other |  |  | 5,957 |  |  |  | - |  |  |  | (342 | ) |  |  | 5,615 |
Total available for sale debt securities |  | $ | 1,297,977 |  |  | $ | 349 |  |  | $ | (153,709 | ) |  | $ | 1,144,617 |
Debt Securities, Held-to-Maturity [Table Text Block] |
(in thousands) |  | Carrying |  |  | Unrecognized |  |  | Fair |
September 30, 2023 |  | value |  |  | Gains |  |  | Losses |  |  | value |
U.S. Treasury and other U.S. Government obligations |  | $ | 204,139 |  |  | $ | - |  |  | $ | (7,645 | ) |  | $ | 196,494 |
Government sponsored enterprise obligations |  |  | 26,972 |  |  |  | - |  |  |  | (3,536 | ) |  |  | 23,436 |
Mortgage backed securities - government agencies |  |  | 214,094 |  |  |  | - |  |  |  | (36,606 | ) |  |  | 177,488 |
Total held to maturity debt securities |  | $ | 445,205 |  |  | $ | - |  |  | $ | (47,787 | ) |  | $ | 397,418 |
December 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury and other U.S. Government obligations |  | $ | 217,794 |  |  | $ | - |  |  | $ | (9,166 | ) |  | $ | 208,628 |
Government sponsored enterprise obligations |  |  | 27,507 |  |  |  | - |  |  |  | (2,559 | ) |  |  | 24,948 |
Mortgage backed securities - government agencies |  |  | 227,916 |  |  |  | - |  |  |  | (29,659 | ) |  |  | 198,257 |
Total held to maturity debt securities |  | $ | 473,217 |  |  | $ | - |  |  | $ | (41,384 | ) |  | $ | 431,833 |
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 |  | $ | 117,105 |  |  | $ | 112,410 |  |  | $ | 51,077 |  |  | $ | 50,188 |
Due after one year but within five years |  |  | 54,505 |  |  |  | 50,972 |  |  |  | 153,800 |  |  |  | 147,004 |
Due after five years but within 10 years |  |  | 79,708 |  |  |  | 66,296 |  |  |  | 25,660 |  |  |  | 22,176 |
Due after 10 years |  |  | 130,179 |  |  |  | 117,904 |  |  |  | 574 |  |  |  | 562 |
Mortgage backed securities - government agencies |  |  | 814,224 |  |  |  | 672,666 |  |  |  | 214,094 |  |  |  | 177,488 |
Total |  | $ | 1,195,721 |  |  | $ | 1,020,248 |  |  | $ | 445,205 |  |  | $ | 397,418 |
Schedule of Unrealized Loss on Investments [Table Text Block] |
|  | AFS Debt Securities |
|  | Less than 12 months |  |  | 12 months or more |  |  | Total |
(in thousands) |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
September 30, 2023 |  | value |  |  | losses |  |  | value |  |  | losses |  |  | value |  |  | losses |
U.S. Treasury and other U.S. Government obligations |  | $ | - |  |  | $ | - |  |  | $ | 118,009 |  |  | $ | (5,491 | ) |  | $ | 118,009 |  |  | $ | (5,491 | )
Government sponsored enterprise obligations |  |  | 10,262 |  |  |  | (42 | ) |  |  | 83,081 |  |  |  | (6,771 | ) |  |  | 93,343 |  |  |  | (6,813 | )
Mortgage-backed securities - government agencies |  |  | 29,149 |  |  |  | (1,633 | ) |  |  | 643,517 |  |  |  | (139,925 | ) |  |  | 672,666 |  |  |  | (141,558 | )
Obligations of states and political subdivisions |  |  | 13,482 |  |  |  | (929 | ) |  |  | 103,094 |  |  |  | (20,459 | ) |  |  | 116,576 |  |  |  | (21,388 | )
Other |  |  | - |  |  |  | - |  |  |  | 3,449 |  |  |  | (407 | ) |  |  | 3,449 |  |  |  | (407 | )
Total AFS debt securities |  | $ | 52,893 |  |  | $ | (2,604 | ) |  | $ | 951,150 |  |  | $ | (173,053 | ) |  | $ | 1,004,043 |  |  | $ | (175,657 | )
December 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury and other U.S. Government obligations |  | $ | 3,025 |  |  | $ | (57 | ) |  | $ | 111,966 |  |  | $ | (7,870 | ) |  | $ | 114,991 |  |  | $ | (7,927 | )
Government sponsored enterprise obligations |  |  | 99,785 |  |  |  | (3,553 | ) |  |  | 22,484 |  |  |  | (2,884 | ) |  |  | 122,269 |  |  |  | (6,437 | )
Mortgage-backed securities - government agencies |  |  | 180,263 |  |  |  | (11,114 | ) |  |  | 567,988 |  |  |  | (110,471 | ) |  |  | 748,251 |  |  |  | (121,585 | )
Obligations of states and political subdivisions |  |  | 64,165 |  |  |  | (3,763 | ) |  |  | 56,864 |  |  |  | (13,655 | ) |  |  | 121,029 |  |  |  | (17,418 | )
Other |  |  | 4,865 |  |  |  | (213 | ) |  |  | 749 |  |  |  | (129 | ) |  |  | 5,614 |  |  |  | (342 | )
Total AFS debt securities |  | $ | 352,103 |  |  | $ | (18,700 | ) |  | $ | 760,051 |  |  | $ | (135,009 | ) |  | $ | 1,112,154 |  |  | $ | (153,709 | )
|  | HTM Debt Securities |
|  | Less than 12 months |  |  | 12 months or more |  |  | Total |
(in thousands) |  | Fair |  |  | Unrecognized |  |  | Fair |  |  | Unrecognized |  |  | Fair |  |  | Unrecognized |
September 30, 2023 |  | value |  |  | losses |  |  | value |  |  | losses |  |  | value |  |  | losses |
U.S. Treasury and other U.S. Government obligations |  | $ | - |  |  | $ | - |  |  | $ | 196,494 |  |  | $ | (7,645 | ) |  | $ | 196,494 |  |  | $ | (7,645 | )
Government sponsored enterprise obligations |  |  | 1,415 |  |  |  | (4 | ) |  |  | 22,009 |  |  |  | (3,532 | ) |  |  | 23,424 |  |  |  | (3,536 | )
Mortgage-backed securities - government agencies |  |  | - |  |  |  | - |  |  |  | 177,451 |  |  |  | (36,606 | ) |  |  | 177,451 |  |  |  | (36,606 | )
Total HTM debt securities |  | $ | 1,415 |  |  | $ | (4 | ) |  | $ | 395,954 |  |  | $ | (47,783 | ) |  | $ | 397,369 |  |  | $ | (47,787 | )
December 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury and other U.S. Government obligations |  | $ | 208,628 |  |  | $ | (9,166 | ) |  | $ | - |  |  | $ | - |  |  | $ | 208,628 |  |  | $ | (9,166 | )
Government sponsored enterprise obligations |  |  | 24,948 |  |  |  | (2,559 | ) |  |  | - |  |  |  | - |  |  |  | 24,948 |  |  |  | (2,559 | )
Mortgage-backed securities - government agencies |  |  | 198,257 |  |  |  | (29,659 | ) |  |  | - |  |  |  | - |  |  |  | 198,257 |  |  |  | (29,659 | )
Total HTM debt securities |  | $ | 431,833 |  |  | $ | (41,384 | ) |  | $ | - |  |  | $ | - |  |  | $ | 431,833 |  |  | $ | (41,384 | )

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