SEGMENTS (Details 4) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Reconciliation of Segment Basis Revenues to GAAP Revenues
Total revenues	$ 147,052	$ 93,939	$ 237,143	$ 173,702
Master Planned Communities
Reconciliation of Segment Basis Revenues to GAAP Revenues
Total revenues	72,471	49,127	123,969	89,663
Operating Assets
Reconciliation of Segment Basis Revenues to GAAP Revenues
Total revenues	42,679	44,388	80,979	83,122
Strategic Developments
Reconciliation of Segment Basis Revenues to GAAP Revenues
Total revenues	$ 31,902	$ 424	$ 32,195	$ 917