Note 13 - Senior Notes Payable (Details) - Senior Notes Payable - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Note 13 - Senior Notes Payable (Details) - Senior Notes Payable [Line Items]
Senior Notes	$ 2,133,111	$ 2,131,393
Homebuilding [Member]
Note 13 - Senior Notes Payable (Details) - Senior Notes Payable [Line Items]
Senior Notes	2,133,111	2,131,393
7% Senior Notes [Member] | Homebuilding [Member]
Note 13 - Senior Notes Payable (Details) - Senior Notes Payable [Line Items]
Senior Notes	29,789	29,789
10¾% Senior Notes [Member] | Homebuilding [Member]
Note 13 - Senior Notes Payable (Details) - Senior Notes Payable [Line Items]
Senior Notes	274,676	272,684
8⅜% Senior Notes [Member] | Homebuilding [Member]
Note 13 - Senior Notes Payable (Details) - Senior Notes Payable [Line Items]
Senior Notes	577,850	578,278
8⅜% Senior Notes [Member] | Homebuilding [Member]
Note 13 - Senior Notes Payable (Details) - Senior Notes Payable [Line Items]
Senior Notes	397,796	397,642
6¼% Senior Notes [Member] | Homebuilding [Member]
Note 13 - Senior Notes Payable (Details) - Senior Notes Payable [Line Items]
Senior Notes	300,000	300,000
5⅞% Senior Notes [Member] | Homebuilding [Member]
Note 13 - Senior Notes Payable (Details) - Senior Notes Payable [Line Items]
Senior Notes	300,000	300,000
1¼% Convertible Senior Notes Due August 2032 [Member] | Homebuilding [Member]
Note 13 - Senior Notes Payable (Details) - Senior Notes Payable [Line Items]
Senior Notes	$ 253,000	$ 253,000