Note 18 - Schedule of Notional Amounts of Derivative Instruments (Details) - Interest Rate Swap [Member] - Designated as Hedging Instrument [Member] $ in Thousands	Dec. 31, 2023 USD ($)
Derivative [Line Items]
Notional amount	$ 300,000
Amortized cost of hedged portfolio	440,826
Cumulative amount of fair value hedging adjustment included in carrying amount of hedged asset	(1,749)
State and Municipal Securities [Member]
Derivative [Line Items]
Notional amount	75,000
Amortized cost of hedged portfolio	97,373
Cumulative amount of fair value hedging adjustment included in carrying amount of hedged asset	(445)
U.S. Government agencies and GSE mortgage backed securities
Derivative [Line Items]
Notional amount	225,000
Amortized cost of hedged portfolio	343,453
Cumulative amount of fair value hedging adjustment included in carrying amount of hedged asset	$ (1,304)

Amortized cost of closed portfolio of financial asset and beneficial interest secured by financial instrument, used to designate hedging relationship in which hedged item is expected to be outstanding for designated hedge period.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4EEE
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-Publisher FASB
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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 40
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-Section 50
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Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount of cumulative increase (decrease) in fair value of hedged asset in fair value hedge, attributable to hedged risk.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 815
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-Section 55
-Paragraph 181
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