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Note 13 - Derivatives and Hedging Activities - Derivatives in Statement of Financial Position (Details) - Interest Rate Swap [Member] - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
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	490	860
Closed Portfolio of Loans Receivable [Member]
Derivative, Notional Amount	96,614	100,000
Interest rate swaps - securities	0	$ 0
Interest rate swaps - securities	$ 381

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