Note 15 - Derivatives and Hedging Activities - Derivatives in Statement of Financial Position (Details) - Interest Rate Swap [Member] - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Derivative, Notional Amount	$ 50,000	$ 50,000
Asset-Backed Securities [Member]
Derivative, Notional Amount	50,000	50,000
Interest rate swaps - securities	0	0
Interest rate swaps - securities	1,310	$ 1,002
Closed Portfolio of Loans Receivable [Member]
Derivative, Notional Amount	100,000
Interest rate swaps - securities	0
Interest rate swaps - securities	$ 1,439