SEGMENTS (Details 4) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Reconciliation of Segment Basis Revenues to GAAP Revenues
Total revenues	$ 90,091	$ 79,765
Master Planned Communities
Reconciliation of Segment Basis Revenues to GAAP Revenues
Total revenues	51,498	40,535
Operating Assets
Reconciliation of Segment Basis Revenues to GAAP Revenues
Total revenues	38,300	38,735
Strategic Developments
Reconciliation of Segment Basis Revenues to GAAP Revenues
Total revenues	$ 293	$ 495