Note 4 - Credit Quality - Other Real Estate Owned (Details) - USD ($) $ in Thousands		Sep. 30, 2021	Dec. 31, 2020
OREO		$ 1,240	$ 2,083
OREO secured by residential real estate		540	769
Residential real estate loans in the foreclosure process	[1]	$ 3,114	$ 4,141

[1] The recorded investment in consumer mortgage loans collateralized by residential real estate that are in the process of foreclosure according to local requirements of the applicable jurisdiction