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Note 3 - Securities (Tables) | 12 Months Ended
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Dec. 31, 2024
Notes Tables |
Schedule of Available-for-sale and Held-to-maturity Reconciliation [Table Text Block] |
|  | 2024 |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized (Losses) |  |  | Fair Value |  |  | Allowance for Credit Losses |
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | $ | 12,483 |  |  | $ | — |  |  | $ | (795 | ) |  | $ | 11,688 |  |  | $ | — |
U.S. agency and mortgage-backed securities |  |  | 110,480 |  |  |  | 57 |  |  |  | (12,498 | ) |  |  | 98,039 |  |  |  | — |
Obligations of states and political subdivisions |  |  | 62,954 |  |  |  | 5 |  |  |  | (8,839 | ) |  |  | 54,120 |  |  |  | — |
Total securities available for sale |  | $ | 185,917 |  |  | $ | 62 |  |  | $ | (22,132 | ) |  | $ | 163,847 |  |  | $ | — |
Securities held to maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | $ | 9,632 |  |  | $ | — |  |  | $ | (125 | ) |  | $ | 9,507 |  |  | $ | — |
U.S. agency and mortgage-backed securities |  |  | 86,555 |  |  |  | — |  |  |  | (9,282 | ) |  |  | 77,273 |  |  |  | — |
Obligations of states and political subdivisions |  |  | 10,649 |  |  |  | 8 |  |  |  | (1,112 | ) |  |  | 9,545 |  |  |  | — |
Corporate debt securities |  |  | 3,000 |  |  |  | — |  |  |  | (450 | ) |  |  | 2,550 |  |  |  | (95 | )
Total securities held to maturity |  | $ | 109,836 |  |  | $ | 8 |  |  | $ | (10,969 | ) |  | $ | 98,875 |  |  | $ | (95 | )
Total securities |  | $ | 295,753 |  |  | $ | 70 |  |  | $ | (33,101 | ) |  | $ | 262,722 |  |  | $ | (95 | )
|  | 2023 |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized (Losses) |  |  | Fair Value |  |  | Allowance for Credit Losses |
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | $ | 12,476 |  |  | $ | — |  |  | $ | (1,026 | ) |  | $ | 11,450 |  |  | $ | — |
U.S. agency and mortgage-backed securities |  |  | 96,937 |  |  |  | 55 |  |  |  | (12,192 | ) |  |  | 84,800 |  |  |  | — |
Obligations of states and political subdivisions |  |  | 64,045 |  |  |  | 6 |  |  |  | (7,444 | ) |  |  | 56,607 |  |  |  | — |
Total securities available for sale |  | $ | 173,458 |  |  | $ | 61 |  |  | $ | (20,662 | ) |  | $ | 152,857 |  |  | $ | — |
Securities held to maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | $ | 39,085 |  |  | $ | — |  |  | $ | (389 | ) |  | $ | 38,696 |  |  | $ | — |
U.S. agency and mortgage-backed securities |  |  | 94,617 |  |  |  | — |  |  |  | (8,992 | ) |  |  | 85,625 |  |  |  | — |
Obligations of states and political subdivisions |  |  | 11,649 |  |  |  | 107 |  |  |  | (943 | ) |  |  | 10,813 |  |  |  | — |
Corporate debt securities |  |  | 3,000 |  |  |  | — |  |  |  | (520 | ) |  |  | 2,480 |  |  |  | (107 | )
Total securities held to maturity |  | $ | 148,351 |  |  | $ | 107 |  |  | $ | (10,844 | ) |  | $ | 137,614 |  |  | $ | (107 | )
Total securities |  | $ | 321,809 |  |  | $ | 168 |  |  | $ | (31,506 | ) |  | $ | 290,471 |  |  | $ | (107 | )
Gain (Loss) on Securities [Table Text Block] |
|  | 2024 |
|  | Less than 12 months |  |  | 12 months or more |  |  | Total |
|  | Fair Value |  |  | Unrealized (Loss) |  |  | Fair Value |  |  | Unrealized (Loss) |  |  | Fair Value |  |  | Unrealized (Loss) |
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | $ | — |  |  | $ | — |  |  | $ | 11,688 |  |  | $ | (795 | ) |  | $ | 11,688 |  |  | $ | (795 | )
U.S. agency and mortgage-backed securities |  |  | 23,445 |  |  |  | (237 | ) |  |  | 67,800 |  |  |  | (12,261 | ) |  |  | 91,245 |  |  |  | (12,498 | )
Obligations of states and political subdivisions |  |  | 4,839 |  |  |  | (135 | ) |  |  | 47,776 |  |  |  | (8,704 | ) |  |  | 52,615 |  |  |  | (8,839 | )
Total securities available for sale |  | $ | 28,284 |  |  | $ | (372 | ) |  | $ | 127,264 |  |  | $ | (21,760 | ) |  | $ | 155,548 |  |  | $ | (22,132 | )
|  | 2023 |
|  | Less than 12 months |  |  | 12 months or more |  |  | Total |
|  | Fair Value |  |  | Unrealized (Loss) |  |  | Fair Value |  |  | Unrealized (Loss) |  |  | Fair Value |  |  | Unrealized (Loss) |
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | $ | — |  |  | $ | — |  |  | $ | 11,450 |  |  | $ | (1,026 | ) |  | $ | 11,450 |  |  | $ | (1,026 | )
U.S. agency and mortgage-backed securities |  |  | 1,281 |  |  |  | (29 | ) |  |  | 78,800 |  |  |  | (12,163 | ) |  |  | 80,081 |  |  |  | (12,192 | )
Obligations of states and political subdivisions |  |  | 4,469 |  |  |  | (215 | ) |  |  | 47,004 |  |  |  | (7,229 | ) |  |  | 51,473 |  |  |  | (7,444 | )
Total securities available for sale |  | $ | 5,750 |  |  | $ | (244 | ) |  | $ | 137,254 |  |  | $ | (20,418 | ) |  | $ | 143,004 |  |  | $ | (20,662 | )
Investments Classified by Contractual Maturity Date [Table Text Block] |
|  | Available for Sale |  |  | Held to Maturity |
(in thousands) |  |  | Amortized Cost |  |  |  | Fair Value |  |  |  | Amortized Cost |  |  |  | Fair Value |
Due within one year |  | $ | 1,630 |  |  | $ | 1,621 |  |  | $ | 206 |  |  | $ | 204 |
Due after one year through five years |  |  | 33,051 |  |  |  | 30,972 |  |  |  | 28,011 |  |  |  | 26,599 |
Due after five years through ten years |  |  | 40,693 |  |  |  | 37,396 |  |  |  | 12,998 |  |  |  | 11,949 |
Due after ten years |  |  | 110,543 |  |  |  | 93,858 |  |  |  | 68,621 |  |  |  | 60,123 |
|  | $ | 185,917 |  |  | $ | 163,847 |  |  | $ | 109,836 |  |  | $ | 98,875 |
Marketable Securities [Table Text Block] |
|  | 2024 |  |  | 2023 |
Federal Home Loan Bank stock |  | $ | 1,467 |  |  | $ | 965 |
Federal Reserve Bank stock |  |  | 2,010 |  |  |  | 981 |
Community Bankers’ Bank stock |  |  | 264 |  |  |  | 132 |
|  | $ | 3,741 |  |  | $ | 2,078 |
Debt Securities, Held-to-Maturity, Credit Quality Indicator [Table Text Block] |
(in thousands) |  |  | U.S. Treasury securities |  |  |  | U.S. agency and mortgage-backed securities |  |  |  | Obligations of states and political subdivisions |  |  |  | Corporate debt securities |  |  |  | Total Held to Maturity Securities |
December 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aaa |  | $ | 9,632 |  |  | $ | 23,173 |  |  | $ | 2,487 |  |  | $ | — |  |  | $ | 35,292 |
Aa1 / Aa2 / Aa3 |  |  | — |  |  |  | — |  |  |  | 8,162 |  |  |  | — |  |  |  | 8,162 |
Baa1 / Baa2 / Baa3 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 3,000 |  |  |  | 3,000 |
Not rated - Agency (1) |  |  | — |  |  |  | 63,382 |  |  |  | — |  |  |  | — |  |  |  | 63,382 |
Not rated - Non Agency |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total |  | $ | 9,632 |  |  | $ | 86,555 |  |  | $ | 10,649 |  |  | $ | 3,000 |  |  | $ | 109,836 |
December 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aaa |  | $ | 39,085 |  |  | $ | 22,936 |  |  | $ | 2,807 |  |  | $ | — |  |  | $ | 64,828 |
Aa1 / Aa2 / Aa3 |  |  | — |  |  |  | — |  |  |  | 8,842 |  |  |  | — |  |  |  | 8,842 |
Baa1 / Baa2 / Baa3 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 3,000 |  |  |  | 3,000 |
Not rated - Agency (1) |  |  | — |  |  |  | 71,681 |  |  |  | — |  |  |  | — |  |  |  | 71,681 |
Not rated - Non Agency |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total |  | $ | 39,085 |  |  | $ | 94,617 |  |  | $ | 11,649 |  |  | $ | 3,000 |  |  | $ | 148,351 |
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Table Text Block] |
(in thousands) |  |  | U.S. Treasury securities |  |  |  | U.S. agency and mortgage-backed securities |  |  |  | Obligations of states and political subdivisions |  |  |  | Corporate debt securities |  |  |  | Total Held to Maturity Securities |
Balance, December 31, 2023 |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 107 |  |  | $ | 107 |
Provision for credit losses |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (12 | ) |  |  | (12 | )
Charge-offs of securities |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Recoveries |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Balance, December 31, 2024 |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 95 |  |  | $ | 95 |

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