Note 15 - Senior Notes Payable (Tables)

3 Months Ended

Mar. 31, 2016

Notes Tables

Schedule of Debt [Table Text Block]

	March 31,		December 31,
	2016		2015
	(Dollars in thousands)
10.75% Senior Notes due September 2016	$	277,256	$	275,845
8.4% Senior Notes due May 2017		245,525		248,975
8.375% Senior Notes due May 2018		574,176		574,058
1.625% Convertible Senior Notes due May 2018		217,714		301,754
0.25% Convertible Senior notes due June 2019		249,517		248,098
6.625% Senior Notes due December 2021		324,389		325,882
8.375% Senior Notes due January 2021		394,423		394,152
6.25% Senior Notes due December 2021		297,267		297,148
5.375% Senior Notes due October 2022		249,130		249,096
5.875% Senior Notes due November 2024		296,694		296,598
1.25% Convertible Senior Notes due August 2032		250,819		250,410
	$	3,376,910	$	3,462,016