Note 17 - Disclosures about Fair Value (Details) - Carrying Values and Estimated Fair Value of Other Financial Instruments - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Homebuilding liabilities:
Senior notes payable, net	$ 2,104,212	$ 2,131,393
Financial Services [Member]
Financial services assets:
Mortgage loans held for investment, net	22,087	14,380
Homebuilding [Member]
Homebuilding liabilities:
Senior notes payable, net	2,104,212	2,131,393
Fair Value, Inputs, Level 2 [Member] | Financial Services [Member]
Financial services assets:
Mortgage loans held for investment, net	22,087	14,380
Mortgage loans held for investment, net	22,087	14,380
Fair Value, Inputs, Level 2 [Member] | Homebuilding [Member]
Homebuilding liabilities:
Senior notes payable, net	2,104,212	2,131,393
Senior notes payable, net	$ 2,104,212	$ 2,337,839