Note 6 - Interest Expense, Net - Components of Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Interest related to sale of tax benefits	$ 5,304	$ 3,734	$ 12,255	$ 10,628
Interest expense	24,362	23,023	74,144	68,001
Less — amount capitalized	(4,612)	(4,354)	(13,321)	(14,727)
Total interest expense, net	$ 25,054	$ 22,403	$ 73,078	$ 63,902