Note 7 - Interest Expense, Net (Tables)

6 Months Ended

Jun. 30, 2021

Notes Tables

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

	Three Months Ended June 30,						Six Months Ended June 30,
	2021			2020			2021			2020
	(Dollars in thousands)						(Dollars in thousands)
Interest related to sale of tax benefits	$	2,545		$	2,500		$	4,938		$	4,824
Interest expense		19,646			19,634			39,320			36,800
Less — amount capitalized		(3,565	)		(2,349	)		(6,616	)		(4,566	)
Total interest expense, net	$	18,626		$	19,785		$	37,642		$	37,058