Note 4 - Goodwill - Carrying Value of Goodwill (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Goodwill	$ 194,074	$ 194,074
Commonwealth [Member]
Goodwill	58,244	58,244
Kentucky Bancshares [Member]
Goodwill	123,317	123,317
King Southern Bancorp [Member]
Goodwill	11,831	11,831
Austin State Bank [Member]
Goodwill	$ 682	$ 682