Note 14 - Senior Notes Payable (Tables)

9 Months Ended

Sep. 30, 2017

Notes Tables

Schedule of Debt [Table Text Block]

	September 30,		December 31,
	2017		2016
	(Dollars in thousands)
8.4% Senior Notes due May 2017		―	$	235,175
8.375% Senior Notes due May 2018		574,784		574,501
1.625% Convertible Senior Notes due May 2018		222,757		220,236
0.25% Convertible Senior notes due June 2019		258,035		253,777
6.625% Senior Notes due May 2020		315,430		319,909
8.375% Senior Notes due January 2021		396,087		395,246
6.25% Senior Notes due December 2021		297,980		297,623
5.375% Senior Notes due October 2022		249,331		249,230
5.875% Senior Notes due November 2024		426,558		296,982
5.25% Senior Notes due June 2026		395,323		297,483
5.00% Senior Notes due June 2027		347,103		―
1.25% Convertible Senior Notes due August 2032		―		252,046
	$	3,483,388	$	3,392,208