Note 14 - Senior Notes (Tables)

6 Months Ended

Jun. 30, 2017

Notes Tables

Schedule of Debt [Table Text Block]

	June 30,		December 31,
	2017		2016
	(Dollars in thousands)
5⅝% Senior Notes due February 2020, net	$	247,377	$	246,915
5½% Senior Notes due January 2024, net		248,487		248,391
6% Senior Notes due January 2043, net		346,368		346,340
Total	$	842,232	$	841,646