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Note 16 - Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Debt Securities, Available-for-Sale | $ 730,352 | $ 617,092
Fair Value, Inputs, Level 1 [Member] |  |
Debt Securities, Available-for-Sale | 0 | 0
US Government Agencies Debt Securities [Member] |  |
Debt Securities, Available-for-Sale | 495,581 | 390,496
Collateralized Mortgage-Backed Securities [Member] |  |
Debt Securities, Available-for-Sale | 25,368 | 29,473
Municipal General Obligation Bonds [Member] |  |
Debt Securities, Available-for-Sale | 180,170 | 167,860
Municipal Revenue Bonds [Member] |  |
Debt Securities, Available-for-Sale | 28,733 | 28,763
Other Debt and Equity Securities [Member] |  |
Debt Securities, Available-for-Sale | 500 | 500
Fair Value, Recurring [Member] |  |
Total assets | 757,145 | 644,597
Total liabilities | 27,050 | 27,964
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Total assets | 0 | 0
Total liabilities | 0 | 0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Total assets | 756,752 | 644,084
Total liabilities | 27,050 | 27,964
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Total assets | 393 | 513
Total liabilities | 0 | 0
Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member] |  |
Debt Securities, Available-for-Sale | 495,581 | 390,496
Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Debt Securities, Available-for-Sale | 0 | 0
Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Debt Securities, Available-for-Sale | 495,581 | 390,496
Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Debt Securities, Available-for-Sale | 0 | 0
Fair Value, Recurring [Member] | Collateralized Mortgage-Backed Securities [Member] |  |
Debt Securities, Available-for-Sale | 25,368 | 29,473
Fair Value, Recurring [Member] | Collateralized Mortgage-Backed Securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Debt Securities, Available-for-Sale | 0 | 0
Fair Value, Recurring [Member] | Collateralized Mortgage-Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Debt Securities, Available-for-Sale | 25,368 | 29,473
Fair Value, Recurring [Member] | Collateralized Mortgage-Backed Securities [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Debt Securities, Available-for-Sale | 0 | 0
Fair Value, Recurring [Member] | Municipal General Obligation Bonds [Member] |  |
Debt Securities, Available-for-Sale | 180,170 | 167,860
Fair Value, Recurring [Member] | Municipal General Obligation Bonds [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Debt Securities, Available-for-Sale | 0 | 0
Fair Value, Recurring [Member] | Municipal General Obligation Bonds [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Debt Securities, Available-for-Sale | 179,777 | 167,347
Fair Value, Recurring [Member] | Municipal General Obligation Bonds [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Debt Securities, Available-for-Sale | 393 | 513
Fair Value, Recurring [Member] | Municipal Revenue Bonds [Member] |  |
Debt Securities, Available-for-Sale | 28,733 | 28,763
Fair Value, Recurring [Member] | Municipal Revenue Bonds [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Debt Securities, Available-for-Sale | 0 | 0
Fair Value, Recurring [Member] | Municipal Revenue Bonds [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Debt Securities, Available-for-Sale | 28,733 | 28,763
Fair Value, Recurring [Member] | Municipal Revenue Bonds [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Debt Securities, Available-for-Sale | 0 | 0
Fair Value, Recurring [Member] | Other Debt and Equity Securities [Member] |  |
Debt Securities, Available-for-Sale | 500 | 500
Fair Value, Recurring [Member] | Other Debt and Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Debt Securities, Available-for-Sale | 0 | 0
Fair Value, Recurring [Member] | Other Debt and Equity Securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Debt Securities, Available-for-Sale | 500 | 500
Fair Value, Recurring [Member] | Other Debt and Equity Securities [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Debt Securities, Available-for-Sale | 0 | 0
Fair Value, Recurring [Member] | Interest Rate Swap [Member] |  |
Derivative Asset | 26,793 | 27,505
Derivative Liability | 27,050 | 27,964
Fair Value, Recurring [Member] | Interest Rate Swap [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Derivative Asset | 0 | 0
Derivative Liability | 0 | 0
Fair Value, Recurring [Member] | Interest Rate Swap [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Derivative Asset | 26,793 | 27,505
Derivative Liability | 27,050 | 27,964
Fair Value, Recurring [Member] | Interest Rate Swap [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Derivative Asset | 0 | 0
Derivative Liability | $ 0 | $ 0

X
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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. 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