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Note 3 - Investment Securities (Tables) | 12 Months Ended
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Dec. 31, 2024
Notes Tables |
Marketable Securities [Table Text Block] |
|  |  |  |  |  | Gross |  |  | Gross |  |  |  |  |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
(In thousands) |  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
December 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Agency mortgage-backed securities |  | $ | 76,295 |  |  | $ | - |  |  | $ | 8,354 |  |  | $ | 67,941 |
Agency CMO |  |  | 47,821 |  |  |  | 197 |  |  |  | 500 |  |  |  | 47,518 |
Agency notes and bonds |  |  | 122,834 |  |  |  | 6 |  |  |  | 4,760 |  |  |  | 118,080 |
Treasury notes and bonds |  |  | 21,803 |  |  |  | - |  |  |  | 254 |  |  |  | 21,549 |
Municipal obligations |  |  | 150,182 |  |  |  | 171 |  |  |  | 16,198 |  |  |  | 134,155 |
Total securities available for sale |  | $ | 418,935 |  |  | $ | 374 |  |  | $ | 30,066 |  |  | $ | 389,243 |
Securities held to maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other debt securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate notes |  | $ | 7,000 |  |  | $ | - |  |  | $ | 2,409 |  |  | $ | 4,591 |
Total securities held to maturity |  | $ | 7,000 |  |  | $ | - |  |  | $ | 2,409 |  |  | $ | 4,591 |
December 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Agency mortgage-backed securities |  | $ | 81,166 |  |  | $ | - |  |  | $ | 9,122 |  |  | $ | 72,044 |
Agency CMO |  |  | 25,402 |  |  |  | 94 |  |  |  | 323 |  |  |  | 25,173 |
Agency notes and bonds |  |  | 138,174 |  |  |  | 38 |  |  |  | 8,707 |  |  |  | 129,505 |
Treasury notes and bonds |  |  | 64,758 |  |  |  | - |  |  |  | 1,674 |  |  |  | 63,084 |
Municipal obligations |  |  | 159,049 |  |  |  | 655 |  |  |  | 12,239 |  |  |  | 147,465 |
Total securities available for sale |  | $ | 468,549 |  |  | $ | 787 |  |  | $ | 32,065 |  |  | $ | 437,271 |
Securities held to maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other debt securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate notes |  | $ | 7,000 |  |  | $ | - |  |  | $ | 2,554 |  |  | $ | 4,446 |
Total securities held to maturity |  | $ | 7,000 |  |  | $ | - |  |  | $ | 2,554 |  |  | $ | 4,446 |
Investments Classified by Contractual Maturity Date [Table Text Block] |
|  | Securities Available for Sale |  |  | Securities Held to Maturity |
|  | Amortized |  |  | Fair |  |  | Amortized |  |  | Fair |
|  | Cost |  |  | Value |  |  | Cost |  |  | Value |
(In thousands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Due in one year or less |  | $ | 66,207 |  |  | $ | 65,002 |  |  | $ | - |  |  | $ | - |
Due after one year through five years |  |  | 102,640 |  |  |  | 97,603 |  |  |  | - |  |  |  | - |
Due after five years through ten years |  |  | 59,559 |  |  |  | 53,501 |  |  |  | 2,000 |  |  |  | 1,324 |
Due after ten years |  |  | 66,413 |  |  |  | 57,678 |  |  |  | 5,000 |  |  |  | 3,267 |
|  |  | 294,819 |  |  |  | 273,784 |  |  |  | 7,000 |  |  |  | 4,591 |
Mortgage-backed securities and CMO |  |  | 124,116 |  |  |  | 115,459 |  |  |  | - |  |  |  | - |
|  | $ | 418,935 |  |  | $ | 389,243 |  |  | $ | 7,000 |  |  | $ | 4,591 |
Unrealized Gain (Loss) on Investments [Table Text Block] |
|  | Number of |  |  |  |  |  |  | Gross |
|  | Investment |  |  | Fair |  |  | Unrealized |
|  | Positions |  |  | Value |  |  | Losses |
(Dollars in thousands) |  |  |  |  |  |  |  |  |  |  |  |
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |
Continuous loss position less than twelve months: |  |  |  |  |  |  |  |  |  |  |  |
Agency mortgage-backed securities |  |  | 7 |  |  | $ | 8,008 |  |  | $ | 93 |
Agency CMO |  |  | 11 |  |  |  | 19,211 |  |  |  | 215 |
Agency notes and bonds |  |  | 7 |  |  |  | 4,830 |  |  |  | 57 |
Muncipal obligations |  |  | 39 |  |  |  | 18,880 |  |  |  | 334 |
Total less than twelve months |  |  | 64 |  |  |  | 50,929 |  |  |  | 699 |
Continuous loss position more than twelve months: |  |  |  |  |  |  |  |  |  |  |  |
Agency mortgage-backed securities |  |  | 93 |  |  |  | 59,933 |  |  |  | 8,261 |
Agency CMO |  |  | 22 |  |  |  | 7,271 |  |  |  | 285 |
Agency notes and bonds |  |  | 45 |  |  |  | 112,046 |  |  |  | 4,703 |
Treasury notes and bonds |  |  | 8 |  |  |  | 21,549 |  |  |  | 254 |
Muncipal obligations |  |  | 196 |  |  |  | 103,201 |  |  |  | 15,864 |
Total more than twelve months |  |  | 364 |  |  |  | 304,000 |  |  |  | 29,367 |
Total securities available for sale |  |  | 428 |  |  | $ | 354,929 |  |  | $ | 30,066 |
Securities held to maturity: |  |  |  |  |  |  |  |  |  |  |  |
Continuous loss position more than twelve months: |  |  |  |  |  |  |  |  |  |  |  |
Corporate notes |  |  | 4 |  |  | $ | 4,591 |  |  | $ | 2,409 |
Total more than twelve months |  |  | 4 |  |  |  | 4,591 |  |  |  | 2,409 |
Total securities held to maturity |  |  | 4 |  |  | $ | 4,591 |  |  | $ | 2,409 |
|  | Number of |  |  |  |  |  |  | Gross |
|  | Investment |  |  | Fair |  |  | Unrealized |
|  | Positions |  |  | Value |  |  | Losses |
(Dollars in thousands) |  |  |  |  |  |  |  |  |  |  |  |
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |
Continuous loss position less than twelve months: |  |  |  |  |  |  |  |  |  |  |  |
Agency mortgage-backed securities |  |  |  |  |  |  |  |  |  |  |  |
Agency CMO |  |  | 3 |  |  |  | 8,019 |  |  |  | 30 |
Agency notes and bonds |  |  | 3 |  |  |  | 2,754 |  |  |  | 12 |
Muncipal obligations |  |  | 74 |  |  |  | 32,124 |  |  |  | 2,405 |
Total less than twelve months |  |  | 80 |  |  |  | 42,897 |  |  |  | 2,447 |
Continuous loss position more than twelve months: |  |  |  |  |  |  |  |  |  |  |  |
Agency mortgage-backed securities |  |  | 96 |  |  |  | 72,044 |  |  |  | 9,122 |
Agency CMO |  |  | 22 |  |  |  | 4,998 |  |  |  | 293 |
Agency notes and bonds |  |  | 52 |  |  |  | 123,416 |  |  |  | 8,695 |
Treasury notes and bonds |  |  | 21 |  |  |  | 63,084 |  |  |  | 1,674 |
Muncipal obligations |  |  | 130 |  |  |  | 79,643 |  |  |  | 9,834 |
Total more than twelve months |  |  | 321 |  |  |  | 343,185 |  |  |  | 29,618 |
Total securities available for sale |  |  | 401 |  |  | $ | 386,082 |  |  | $ | 32,065 |
Securities held to maturity: |  |  |  |  |  |  |  |  |  |  |  |
Continuous loss position less than twelve months: |  |  |  |  |  |  |  |  |  |  |  |
Corporate notes |  |  | 4 |  |  | $ | 4,446 |  |  | $ | 2,554 |
Total less than twelve months |  |  | 4 |  |  |  | 4,446 |  |  |  | 2,554 |
Total securities held to maturity |  |  | 4 |  |  | $ | 4,446 |  |  | $ | 2,554 |

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