Note 3 - Loans - Accretable Yield on Acquired Impaired Loans (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($)
Balance	$ 4,902
Accretion	(2,186)
Reclassification from nonaccretable difference	986
Other changes, net (1)	(172)	[1]
Balance	$ 3,530

[1] This line item represents changes in the cash flows expected to be collected due to the impact of non-credit changes such as prepayment assumptions, changes in interest rates on variable rate acquired impaired loans, and discounted payoffs that occurred in the period.