Note 4 - Loans Leases Receivable - Adoption of ASU 2016-13 (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Balance	$ 84,376	$ 36,001	$ 39,847
Provision related to loans included in assets held for sale	5,702	55,704	6,638
Balance	78,721	$ 84,376	$ 36,001
Accounting Standards Update 2016-13
Balance	(8,102)
Unfunded Loan Commitment
Provision related to loans included in assets held for sale	(2,231)
Balance	6,886
Unfunded Loan Commitment | Accounting Standards Update 2016-13
Balance	$ 9,117