Note 8 - Capitalization of Interest (Details) - Interest Activity - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Interest Activity [Abstract]
Homebuilding interest incurred	$ 13,265	$ 16,499	$ 39,821	$ 52,211
Less: Interest capitalized	(13,265)	(16,499)	(39,821)	(51,526)
Homebuilding interest expensed				685
Interest capitalized, beginning of period	78,857	80,936	79,231	74,155
Plus: Interest capitalized during period	13,265	16,499	39,821	51,526
Less: Previously capitalized interest included in home and land cost of sales	(12,878)	(14,966)	(39,808)	(43,212)
Interest capitalized, end of period	$ 79,244	$ 82,469	$ 79,244	$ 82,469