Note 8 - Capitalization of Interest (Details) - Interest Activity (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Interest Activity [Abstract]
Homebuilding interest incurred	$ 16,499	$ 15,852	$ 52,211	$ 45,536
Less: Interest capitalized	(16,499)	(15,852)	(51,526)	(43,810)
Homebuilding interest expensed	0	0	685	1,726
Interest capitalized, beginning of period	80,936	74,547	74,155	69,143
Plus: Interest capitalized during period	16,499	15,852	51,526	43,810
Less: Previously capitalized interest included in home cost of sales	(14,966)	(15,567)	(43,212)	(38,121)
Interest capitalized, end of period	$ 82,469	$ 74,832	$ 82,469	$ 74,832