Note 13 - Income Taxes - Provision (Credit) for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Continuing Operations, Provision (Credit) for Current Taxes - Federal	$ 17,491	$ 12,969	$ 13,008
Continuing Operations, Provision (Credit) for Deferred Taxes	2,052	1,368	(586)
Provision for Income Taxes	$ 19,543	$ 14,337	$ 12,422