Note 15 - Senior Notes Payable (Tables)

6 Months Ended

Jun. 30, 2016

Notes Tables

Schedule of Debt [Table Text Block]

	June 30,		December 31,
	2016		2015
	(Dollars in thousands)
10.75% Senior Notes due September 2016	$	278,724	$	275,845
8.4% Senior Notes due May 2017		242,075		248,975
8.375% Senior Notes due May 2018		574,289		574,058
1.625% Convertible Senior Notes due May 2018		218,555		301,754
0.25% Convertible Senior notes due June 2019		250,937		248,098
6.625% Senior Notes due May 2020		322,895		325,882
8.375% Senior Notes due January 2021		394,695		394,152
6.25% Senior Notes due December 2021		297,385		297,148
5.375% Senior Notes due October 2022		249,164		249,096
5.875% Senior Notes due November 2024		296,790		296,598
5.25% Senior Notes due June 2026		297,822		―
1.25% Convertible Senior Notes due August 2032		251,228		250,410
	$	3,674,559	$	3,462,016