Note 15 - Senior Notes (Tables)

6 Months Ended

Jun. 30, 2014

Disclosure Text Block [Abstract]

Schedule of Debt [Table Text Block]

	June 30,		December 31,
	2014		2013
	(Dollars in thousands)
5⅜% Senior Notes due December 2014, net	$	-	$	249,814
5⅜% Senior Notes due July 2015, net		249,956		249,935
5⅝% Senior Notes due February 2020, net		246,156		245,871
5½% Senior Notes due January 2024, net		250,000		-
6% Senior Notes due January 2043		350,000		350,000
Total	$	1,096,112	$	1,095,620