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Note 6 - Investment and Equity Securities - Amortized Cost and Fair Value of Debt Securities by Contractual Maturity (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Due in one year or less, amortized costs |  | $ 590 |
Due in one year or less, fair value |  | 591 |
Due after one year through five years, amortized costs |  | 6,816 |
Due after one year through five years, fair value |  | 6,664 |
Due after five years through ten years, amortized costs |  | 57,517 |
Due after five years through ten years, fair value |  | 54,754 |
Due after ten years, amortized costs |  | 125,964 |
Due after ten years, fair value |  | 103,005 |
Amortized costs | [1] | 190,887 | $ 191,211
Fair Value |  | $ 165,014 | $ 165,802
[1] | Accrued interest of $1.5 million is excluded from amortized cost and presented in "accrued interest receivable and other assets" on the Consolidated Balance Sheet.

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