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Note 20 - Derivative Financial Instruments - Outstanding Undesignated Interest Rate Swap Contracts (Details) - Not Designated as Hedging Instrument [Member] - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
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Sep. 30, 2023 | Dec. 31, 2022
Receiving [Member] |  |
Notional amount | $ 169,054 | $ 132,831
Weighted average maturity (Year) | 6 years | 7 years 1 month 6 days
Fair value | $ 11,920 | $ 10,727
Paying [Member] |  |
Notional amount | $ 169,054 | $ 132,831
Weighted average maturity (Year) | 6 years | 7 years 1 month 6 days
Fair value | $ 11,929 | $ 10,737

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- Definition Average remaining period until maturity of the derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Fair value of the assets less the liabilities of a derivative or group of derivatives. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482907/825-10-50-10 + Details
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