Note 19 - Litigation, Commitments, and Contingencies - Off-balance Sheet Financial Instruments (Details) - USD ($) $ in Thousands		Dec. 31, 2022	Dec. 31, 2021
Commitments to extend credit		$ 278,926	$ 272,447
Standby letters of credit and financial guarantees(1)	[1]	119,681	153,717
Total off-balance sheet risk		$ 398,607	$ 426,164

[1] Includes FHLB letters of credit