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Note 2 - Securities - Contractual Maturities (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Due within one year, amortized cost | $ 17,050 |
Due within one year, fair value | 17,184 |
Due after one year through five years, amortized cost | 59,120 |
Due after one year through five years, fair value | 60,900 |
Due after five years through ten years, amortized cost | 221,304 |
Due after five years through ten years, fair value | 231,775 |
Due after ten years, amortized cost | 17,269 |
Due after ten years, fair value | 18,205 |
Total debt securities, amortized cost | 314,743 |
Total debt securities, fair value | 328,064 |
Equity securities, amortized cost | 2,836 | $ 2,426
Equity securities, fair value | 2,896 | $ 2,851
Total, amortized cost | 563,664 |
Total, fair value | 577,683 |
Collateralized Mortgage Backed Securities [Member] |  |
Debt securities, amortized cost | 246,085 |
Debt securities, fair value | $ 246,723 |

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