Note 13 - Senior Notes Payable (Tables)

6 Months Ended

Jun. 30, 2015

Disclosure Text Block [Abstract]

Schedule of Debt [Table Text Block]

	June 30,		December 31,
	2015		2014
	(Dollars in thousands)
7% Senior Notes due August 2015	$	29,789	$	29,789
10¾% Senior Notes due September 2016, net of discount		274,676		272,684
8⅜% Senior Notes due May 2018, net of premium		577,850		578,278
8⅜% Senior Notes due January 2021, net of discount		397,796		397,642
6¼% Senior Notes due December 2021		300,000		300,000
5⅞% Senior Notes due November 2024		300,000		300,000
1¼% Convertible Senior Notes due August 2032		253,000		253,000
	$	2,133,111	$	2,131,393