Note 14 - Senior Notes (Tables)

3 Months Ended

Mar. 31, 2017

Notes Tables

Schedule of Debt [Table Text Block]

	March 31,		December 31,
	2017		2016
	(Dollars in thousands)
5⅝% Senior Notes due February 2020, net	$	247,144	$	246,915
5½% Senior Notes due January 2024, net		248,439		248,391
6% Senior Notes due January 2043, net		346,354		346,340
Total	$	841,937	$	841,646