Note 12 - Schedule of Notional Amounts of Derivative Instruments (Details) - Interest Rate Swap [Member] - Designated as Hedging Instrument [Member] - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Derivative [Line Items]
Notional amount	$ 300,000	$ 300,000
Amortized cost of hedged portfolio	423,923	440,826
Cumulative amount of fair value hedging adjustment included in carrying amount of hedged asset	6,015	(1,749)
State and Municipal Securities [Member]
Derivative [Line Items]
Notional amount	75,000	75,000
Amortized cost of hedged portfolio	97,044	97,373
Cumulative amount of fair value hedging adjustment included in carrying amount of hedged asset	1,761	(445)
U.S. Government agencies and GSE mortgage backed securities
Derivative [Line Items]
Notional amount	225,000	225,000
Amortized cost of hedged portfolio	326,879	343,453
Cumulative amount of fair value hedging adjustment included in carrying amount of hedged asset	$ 4,254	$ (1,304)