Note 4 - Loans - Loans to Related Parties (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Balance at beginning of year	$ 51,288	$ 43,952
Additional loans made	29,182	23,102
Payment received	(41,938)	(15,766)
Balance at end of year	$ 38,532	$ 51,288