Note 7 - Interest Expense, Net (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

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

	Three Months Ended September 30,						Nine Months Ended September 30,
	2021			2020			2021			2020
	(Dollars in thousands)						(Dollars in thousands)
Interest related to sale of tax benefits	$	4,081		$	1,991		$	9,019		$	6,814
Interest expense		22,259			22,000			61,579			58,801
Less — amount capitalized		(4,109	)		(2,235	)		(10,726	)		(6,801	)
Total interest expense, net	$	22,230		$	21,756		$	59,872		$	58,814