Note 7 - Goodwill and Intangibles - Goodwill (Details) - USD ($) $ in Thousands	1 Months Ended		12 Months Ended
	Nov. 30, 2023	Nov. 30, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Balance at the beginning of period			$ 137,607	$ 74,066	$ 74,066
Acquisition of GFED				63,541
Acquisition of GFED - measurement period adjustment			1,420	1,400	1,400
Balance at the end of period			139,027	$ 137,607	$ 74,066
Goodwill impairment	$ 0	$ 0
Acquisition - measurement period adjustment			$ 1,420