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Note 16 - Fair Value Measurements (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Debt Securities, Available-for-Sale | $ 617,092 | $ 602,936
Loan, Mortgage, Held-for-Sale, Fair Value Disclosure | $ 19,000 | 3,600
Real Estate Dependent Loans and Foreclosed Assets Estimated Selling Costs [Member] |  |
Fair Value Inputs, Discount Factor | 10.00% |
Maximum [Member] | Real Estate Dependent Loans and Foreclosed Assets [Member] | Commercial Real Estate [Member] |  |
Fair Value Inputs, Discount Factor | 50.00% |
Maximum [Member] | Real Estate Dependent Loans and Foreclosed Assets [Member] | Residential Real Estate [Member] |  |
Fair Value Inputs, Discount Factor | 50.00% |
Minimum [Member] | Real Estate Dependent Loans and Foreclosed Assets [Member] | Commercial Real Estate [Member] |  |
Fair Value Inputs, Discount Factor | 25.00% |
Minimum [Member] | Real Estate Dependent Loans and Foreclosed Assets [Member] | Residential Real Estate [Member] |  |
Fair Value Inputs, Discount Factor | 25.00% |
Weighted Average [Member] | Real Estate Dependent Loans and Foreclosed Assets [Member] | Commercial Real Estate [Member] |  |
Fair Value Inputs, Discount Factor | 44.50% |
Weighted Average [Member] | Real Estate Dependent Loans and Foreclosed Assets [Member] | Residential Real Estate [Member] |  |
Fair Value Inputs, Discount Factor | 25.90% |
Municipal General Obligation Bonds [Member] |  |
Debt Securities, Available-for-Sale | $ 167,860 | 154,433
Fair Value, Inputs, Level 1 [Member] |  |
Debt Securities, Available-for-Sale | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Municipal General Obligation Bonds [Member] | Maximum [Member] |  |
Debt Securities, Available-for-Sale, Decrease Due to Scheduled Maturities | 100 | 100
Available-for-Sale Securities [Member] |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount | $ 0 | $ 0

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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (aa) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481830/320-10-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479130/326-30-45-1 + Details
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