Note 6 - Deposits - Maturity Distribution for Certificate of Deposits (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
In one year or less	$ 657,307	$ 188,887
In one to two years	61,454	68,434
In two to three years	22,830	22,053
In three to four years	54,486	30,761
In four to five years	1,411	64,573
Total certificates of deposit	$ 797,488	$ 374,708