Note 17 - 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, 2021	Dec. 31, 2020	Dec. 31, 2019
U.S	$ 37,032	$ 43,273	$ 14,187
Non-U.S. (foreign)	66,519	125,444	123,116
Income from operations before income tax and equity in earnings (losses) of investees	$ 103,551	$ 168,717	$ 137,303