Note 15 - Derivatives and Hedging Activities (Details Textual) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Debt Securities, Available-for-Sale, Amortized Cost	$ 341,011	$ 333,950
Financing Receivable, before Allowance for Credit Loss, Fee and Loan in Process	1,734,807	1,660,028
Interest Rate Swap [Member]
Derivative, Notional Amount	50,000	50,000
Derivative Liability, Fair Value of Collateral	3,500
Asset-Backed Securities [Member]
Credit Risk Derivatives, at Fair Value, Net	1,400	1,100
Asset-Backed Securities [Member] | Interest Rate Swap [Member]
Derivative, Notional Amount	50,000	50,000
Closed Portfolio of Loans Receivable [Member]
Credit Risk Derivatives, at Fair Value, Net	1,600
Closed Portfolio of Loans Receivable [Member] | Interest Rate Swap [Member]
Derivative, Notional Amount	100,000
Designated as Hedging Instrument [Member]
Debt Securities, Available-for-Sale, Amortized Cost	56,800	57,400
Credit Risk Derivatives, at Fair Value, Net	3,012	1,054
Derivative, Notional Amount	153,012	$ 51,054
Financing Receivable, before Allowance for Credit Loss, Fee and Loan in Process	$ 283,200