Note 9 - Investments in Unconsolidated Land Development and Homebuilding Joint Ventures (Detail) (USD $)	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Number of Projects Reviewed for Impairment Included in Unconsolidated Joint Ventures	6	6
Interest capitalized in ending investments in unconsolidated joint ventures	$ 12,281,000	$ 7,571,000	$ 9,100,000
Number of Joint Ventures Deemed to Be Variable Interest Entity	1
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount	5,800,000
Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets	$ 8,400,000