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Note 2 - Securities - Estimated Fair Value of Available for Sale Securities, by Contractual Maturity (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Due in one year or less, cost basis | $ 0 |
Available for sale securities, due in one year or less, estimated fair value | 0 |
Due from one to five years, cost basis | 11,953 |
Available for sale securities, due from one to five years, estimated fair value | 10,801 |
Due from five to ten years, cost basis | 32,560 |
Available for sale securities, due from five to ten years, estimated fair value | 28,835 |
Due over ten years, cost basis | 229,481 |
Available for sale securities, due over ten years, estimated fair value | 184,593 |
Collateralized mortgage obligations and residential mortgage-backed securities, cost basis | 135,974 |
Collateralized mortgage obligations and residential mortgage-backed securities, estimated fair value | 109,325 |
Debt Securities, Available-for-Sale, Amortized Cost | 409,968 | $ 439,277
Total securities available-for-sale | $ 333,554 | $ 371,374

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