Note 14 - Senior Notes (Tables)

3 Months Ended

Mar. 31, 2016

Notes Tables

Schedule of Debt [Table Text Block]

	March 31,		December 31,
	2016		2015
	(Dollars in thousands)
5⅝% Senior Notes due February 2020, net	$	246,247	$	246,032
5½% Senior Notes due January 2024, net		248,254		248,209
6% Senior Notes due January 2043, net		346,297		346,283
Total	$	840,798	$	840,524