Note 9 - Goodwill and Intangible Assets - Activity for Mortgage Servicing Rights (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022
Beginning of year		$ 2,072	$ 542
Additions		60	19
Amortization		(496)	(169)
End of year		1,636	2,072
Liberty Bancshares Inc [Member]
Additions	[1]	$ 0	$ 1,680

[1] This reflects the fair value of the mortgage servicing rights acquired in the merger.