Note 15 - Interest Expense, Net (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Schedule of Other Nonoperating Expense, by Component [Table Text Block]

	Year Ended December 31,
	2023			2022			2021
	(Dollars in thousands)
Interest related to sale of tax benefits	$	15,289		$	14,853		$	12,246
Interest expense		100,853			91,617		$	84,994
Less — amount capitalized		(17,261	)		(18,727	)	$	(14,582	)
	$	98,881		$	87,743		$	82,658