Note 6 - Income Taxes - Income (Loss) Before Income Tax Domestic and Foreign (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Non-U.S.	$ 262,012	$ 174,103	$ 41,408
United States	(32,524)	(35,174)	(43,715)
Income (loss) before income taxes	$ 229,488	$ 138,929	$ (2,307)