Note 6 - Interest Expense, Net - Components of Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Interest related to sale of tax benefits	$ 2,324	$ 3,661
Interest expense	17,166	17,562
Less — amount capitalized	(2,217)	0
Total interest expense, net	$ 17,273	$ 21,223