Note 17 - Lines of Credit and Total Debt Obligations (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Schedule of Debt [Table Text Block]

	December 31,
	2019		2018
	(Dollars in thousands)
$250 Million 5.625% senior notes due February 2020, net	$	249,909	$	248,850
$250 Million 5.500% senior notes due January 2024, net		249,005		248,789
$500 Million 6.000% senior notes due January 2043, net		490,508		490,328
Total	$	989,422	$	987,967