Note 16 - Income Taxes - Income From Continuing Operations Before Income Taxes and Equity in Income (Losses) of Investees (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
U.S	$ 53,984	$ 23,709	$ 37,032
Non-U.S. (foreign)	85,101	71,900	66,519
Income from operations before income tax and equity in earnings (losses) of investees	$ 139,085	$ 95,609	$ 103,551