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v3.23.1

Note 3 - Investment Securities (Tables) | 3 Months Ended
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Mar. 31, 2023
Notes Tables |
Schedule of Available-for-Sale Securities Reconciliation [Table Text Block] |
(in thousands) |  | Amortized |  |  | Unrealized |  |  |  |
March 31, 2023 |  | cost |  |  | Gains |  |  | Losses |  |  |  | Fair value |
U.S. Treasury and other U.S. Government obligations |  | $ | 122,752 |  |  | $ | - |  |  | $ | (6,464 | ) |  | $ | 116,288 |
Government sponsored enterprise obligations |  |  | 142,900 |  |  |  | 75 |  |  |  | (5,196 | ) |  |  | 137,779 |
Mortgage backed securities - government agencies |  |  | 851,879 |  |  |  | - |  |  |  | (108,424 | ) |  |  | 743,455 |
Obligations of states and political subdivisions |  |  | 142,901 |  |  |  | - |  |  |  | (14,176 | ) |  |  | 128,725 |
Other |  |  | 5,924 |  |  |  | - |  |  |  | (319 | ) |  |  | 5,605 |
Total available for sale debt securities |  | $ | 1,266,356 |  |  | $ | 75 |  |  | $ | (134,579 | ) |  | $ | 1,131,852 |
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 |  |  |  |
March 31, 2023 |  | value |  |  | Gains |  |  | Losses |  |  |  | Fair value |
U.S. Treasury and other U.S. Government obligations |  | $ | 217,906 |  |  | $ | - |  |  | $ | (7,065 | ) |  | $ | 210,841 |
Government sponsored enterprise obligations |  |  | 27,229 |  |  |  | - |  |  |  | (1,884 | ) |  |  | 25,345 |
Mortgage backed securities - government agencies |  |  | 223,616 |  |  |  | - |  |  |  | (25,902 | ) |  |  | 197,714 |
Total held to maturity debt securities |  | $ | 468,751 |  |  | $ | - |  |  | $ | (34,851 | ) |  | $ | 433,900 |
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 |  | $ | 38,238 |  |  | $ | 37,810 |  |  | $ | 65,167 |  |  | $ | 63,709 |
Due after one year but within five years |  |  | 154,856 |  |  |  | 146,932 |  |  |  | 153,365 |  |  |  | 147,726 |
Due after five years but within 10 years |  |  | 67,697 |  |  |  | 60,871 |  |  |  | 26,014 |  |  |  | 24,170 |
Due after 10 years |  |  | 153,686 |  |  |  | 142,784 |  |  |  | 589 |  |  |  | 581 |
Mortgage backed securities - government agencies |  |  | 851,879 |  |  |  | 743,455 |  |  |  | 223,616 |  |  |  | 197,714 |
Total |  | $ | 1,266,356 |  |  | $ | 1,131,852 |  |  | $ | 468,751 |  |  | $ | 433,900 |
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 |
March 31, 2023 |  | value |  |  | losses |  |  | value |  |  | losses |  |  | value |  |  | losses |
U.S. Treasury and other U.S. Government obligations |  | $ | - |  |  | $ | - |  |  | $ | 116,288 |  |  | $ | (6,464 | ) |  | $ | 116,288 |  |  | $ | (6,464 | )
Government sponsored enterprise obligations |  |  | 43,668 |  |  |  | (157 | ) |  |  | 76,479 |  |  |  | (5,039 | ) |  |  | 120,147 |  |  |  | (5,196 | )
Mortgage-backed securities - government agencies |  |  | 113,174 |  |  |  | (3,879 | ) |  |  | 620,688 |  |  |  | (104,545 | ) |  |  | 733,862 |  |  |  | (108,424 | )
Obligations of states and political subdivisions |  |  | 7,312 |  |  |  | (42 | ) |  |  | 107,916 |  |  |  | (14,134 | ) |  |  | 115,228 |  |  |  | (14,176 | )
Other |  |  | - |  |  |  | - |  |  |  | 5,604 |  |  |  | (319 | ) |  |  | 5,604 |  |  |  | (319 | )
Total AFS debt securities |  | $ | 164,154 |  |  | $ | (4,078 | ) |  | $ | 926,975 |  |  | $ | (130,501 | ) |  | $ | 1,091,129 |  |  | $ | (134,579 | )
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 |
March 31, 2023 |  | value |  |  | losses |  |  | value |  |  | losses |  |  | value |  |  | losses |
U.S. Treasury and other U.S. Government obligations |  | $ | - |  |  | $ | - |  |  | $ | 210,841 |  |  | $ | (7,065 | ) |  | $ | 210,841 |  |  | $ | (7,065 | )
Government sponsored enterprise obligations |  |  | 1,602 |  |  |  | (4 | ) |  |  | 23,743 |  |  |  | (1,880 | ) |  |  | 25,345 |  |  |  | (1,884 | )
Mortgage-backed securities - government agencies |  |  | 409 |  |  |  | (9 | ) |  |  | 197,305 |  |  |  | (25,893 | ) |  |  | 197,714 |  |  |  | (25,902 | )
Total HTM debt securities |  | $ | 2,011 |  |  | $ | (13 | ) |  | $ | 431,889 |  |  | $ | (34,838 | ) |  | $ | 433,900 |  |  | $ | (34,851 | )
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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