Note 14 - Senior Notes Payable (Tables)

3 Months Ended

Mar. 31, 2017

Notes Tables

Schedule of Debt [Table Text Block]

	March 31,		December 31,
	2017		2016
	(Dollars in thousands)
8.4% Senior Notes due May 2017	$	231,725	$	235,175
8.375% Senior Notes due May 2018		574,600		574,501
1.625% Convertible Senior Notes due May 2018		221,077		220,236
0.25% Convertible Senior notes due June 2019		255,196		253,777
6.625% Senior Notes due May 2020		318,416		319,909
8.375% Senior Notes due January 2021		395,525		395,246
6.25% Senior Notes due December 2021		297,742		297,623
5.375% Senior Notes due October 2022		249,264		249,230
5.875% Senior Notes due November 2024		297,077		296,982
5.25% Senior Notes due June 2026		297,427		297,483
1.25% Convertible Senior Notes due August 2032		252,455		252,046
	$	3,390,504	$	3,392,208