Note 9 - Goodwill and Other Intangible Assets - Schedule Of Amortization of Mortgage Services (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Balance	$ 4,106	$ 871	$ 1,039
Amount obtained through merger with CNNB	0	3,427	0
Amount capitalized to mortgage servicing rights	0	48	100
Amortization of mortgage servicing rights	(1,007)	(240)	(268)
Balance	$ 3,099	$ 4,106	$ 871