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v3.23.2

Note 3 - Investment Securities (Tables) | 6 Months Ended
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Jun. 30, 2023
Notes Tables |
Debt Securities, Available-for-Sale [Table Text Block] |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Allowance |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | for |
|  |  |  |  |  | Gross |  |  | Gross |  |  |  |  |  |  | Investment |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair |  |  | Credit |
|  | Cost |  |  | Gains |  |  | Losses |  |  | Value |  |  | Losses |
|  | (dollars in thousands) |
June 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment securities available-for-sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Federal agency obligations |  | $ | 54,102 |  |  | $ | - |  |  | $ | (10,949 | ) |  | $ | 43,153 |  |  | $ | - |
Residential mortgage pass-through securities |  |  | 465,856 |  |  |  | 80 |  |  |  | (56,810 | ) |  |  | 409,126 |  |  |  | - |
Commercial mortgage pass-through securities |  |  | 25,364 |  |  |  | - |  |  |  | (4,154 | ) |  |  | 21,210 |  |  |  | - |
Obligations of U.S. states and political subdivisions |  |  | 152,614 |  |  |  | 109 |  |  |  | (18,884 | ) |  |  | 133,839 |  |  |  | - |
Corporate bonds and notes |  |  | 4,000 |  |  |  | - |  |  |  | (41 | ) |  |  | 3,959 |  |  |  | - |
Asset-backed securities |  |  | 1,422 |  |  |  | - |  |  |  | (41 | ) |  |  | 1,381 |  |  |  | - |
Other securities |  |  | 151 |  |  |  | - |  |  |  | - |  |  |  | 151 |  |  |  | - |
Total securities available-for-sale |  | $ | 703,509 |  |  | $ | 189 |  |  | $ | (90,879 | ) |  | $ | 612,819 |  |  | $ | - |
December 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment securities available-for-sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Federal agency obligations |  | $ | 54,889 |  |  | $ | - |  |  | $ | (10,439 | ) |  | $ | 44,450 |  |  | $ | - |
Residential mortgage pass-through securities |  |  | 475,263 |  |  |  | 178 |  |  |  | (57,863 | ) |  |  | 417,578 |  |  |  | - |
Commercial mortgage pass-through securities |  |  | 25,485 |  |  |  | - |  |  |  | (4,381 | ) |  |  | 21,104 |  |  |  | - |
Obligations of U.S. states and political subdivisions |  |  | 157,247 |  |  |  | 111 |  |  |  | (14,462 | ) |  |  | 142,896 |  |  |  | - |
Corporate bonds and notes |  |  | 7,000 |  |  |  | - |  |  |  | (26 | ) |  |  | 6,974 |  |  |  | - |
Asset-backed securities |  |  | 1,673 |  |  |  | - |  |  |  | (33 | ) |  |  | 1,640 |  |  |  | - |
Other securities |  |  | 242 |  |  |  | - |  |  |  | - |  |  |  | 242 |  |  |  | - |
Total securities available-for-sale |  | $ | 721,799 |  |  | $ | 289 |  |  | $ | (87,204 | ) |  | $ | 634,884 |  |  | $ | - |
Investments Classified by Contractual Maturity Date [Table Text Block] |
|  | June 30, 2023 |
|  | Amortized |  |  | Fair |
|  | Cost |  |  | Value |
|  | (dollars in thousands) |
Investment securities available-for-sale: |  |  |  |  |  |  |  |
Due in one year or less |  | $ | 2,000 |  |  | $ | 2,000 |
Due after one year through five years |  |  | 4,388 |  |  |  | 4,339 |
Due after five years through ten years |  |  | 2,574 |  |  |  | 2,558 |
Due after ten years |  |  | 203,176 |  |  |  | 173,435 |
Residential mortgage pass-through securities |  |  | 465,856 |  |  |  | 409,126 |
Commercial mortgage pass-through securities |  |  | 25,364 |  |  |  | 21,210 |
Other securities |  |  | 151 |  |  |  | 151 |
Total securities available-for-sale |  | $ | 703,509 |  |  | $ | 612,819 |
Schedule of Unrealized Loss on Investments [Table Text Block] |
|  | June 30, 2023 |
|  | Total |  |  | Less than 12 Months |  |  | 12 Months or Longer |
|  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
|  | Value |  |  | Losses |  |  | Value |  |  | Losses |  |  | Value |  |  | Losses |
|  | (dollars in thousands) |
Investment securities available-for-sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Federal agency obligations |  | $ | 43,154 |  |  | $ | (10,949 | ) |  | $ | 4,565 |  |  | $ | (347 | ) |  | $ | 38,589 |  |  | $ | (10,602 | )
Residential mortgage pass-through securities |  |  | 395,195 |  |  |  | (56,810 | ) |  |  | 130,196 |  |  |  | (5,818 | ) |  |  | 264,999 |  |  |  | (50,992 | )
Commercial mortgage pass-through securities |  |  | 21,210 |  |  |  | (4,154 | ) |  |  | - |  |  |  | - |  |  |  | 21,210 |  |  |  | (4,154 | )
Obligations of U.S. states and political subdivisions |  |  | 116,310 |  |  |  | (18,884 | ) |  |  | 22,408 |  |  |  | (1,320 | ) |  |  | 93,902 |  |  |  | (17,564 | )
Corporate bonds and notes |  |  | 1,959 |  |  |  | (41 | ) |  |  | 1,959 |  |  |  | (41 | ) |  |  | - |  |  |  | - |
Asset-backed securities |  |  | 1,381 |  |  |  | (41 | ) |  |  | 381 |  |  |  | (17 | ) |  |  | 1,000 |  |  |  | (24 | )
Total temporarily impaired securities |  | $ | 579,209 |  |  | $ | (90,879 | ) |  | $ | 159,509 |  |  | $ | (7,543 | ) |  | $ | 419,700 |  |  | $ | (83,336 | )
|  | December 31, 2022 |
|  | Total |  |  | Less than 12 Months |  |  | 12 Months or Longer |
|  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
|  | Value |  |  | Losses |  |  | Value |  |  | Losses |  |  | Value |  |  | Losses |
|  | (dollars in thousands) |
Investment securities available-for-sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Federal agency obligations |  | $ | 44,451 |  |  | $ | (10,439 | ) |  | $ | 20,517 |  |  | $ | (1,831 | ) |  | $ | 23,934 |  |  | $ | (8,608 | )
Residential mortgage pass-through securities |  |  | 403,039 |  |  |  | (57,863 | ) |  |  | 218,918 |  |  |  | (13,869 | ) |  |  | 184,121 |  |  |  | (43,994 | )
Commercial mortgage pass-through securities |  |  | 21,105 |  |  |  | (4,381 | ) |  |  | 14,523 |  |  |  | (2,304 | ) |  |  | 6,582 |  |  |  | (2,077 | )
Obligations of U.S. states and political subdivisions |  |  | 133,265 |  |  |  | (14,462 | ) |  |  | 47,446 |  |  |  | (3,404 | ) |  |  | 85,819 |  |  |  | (11,058 | )
Corporate bonds and notes |  |  | 4,973 |  |  |  | (26 | ) |  |  | 4,973 |  |  |  | (26 | ) |  |  | - |  |  |  | - |
Asset-backed securities |  |  | 1,640 |  |  |  | (33 | ) |  |  | 1,048 |  |  |  | (16 | ) |  |  | 592 |  |  |  | (17 | )
Total temporarily impaired securities |  | $ | 608,473 |  |  | $ | (87,204 | ) |  | $ | 307,425 |  |  | $ | (21,450 | ) |  | $ | 301,048 |  |  | $ | (65,754 | )

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