SEGMENTS - Segment Revenue to GAAP Consolidated Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Reconciliation of Segment Basis Revenues to GAAP Revenues
Total revenues	$ 209,163	$ 209,631	$ 364,253	$ 308,284
Master Planned Communities | Operating Segments
Reconciliation of Segment Basis Revenues to GAAP Revenues
Total revenues	56,704	160,011	113,982	214,547
Operating Assets | Operating Segments
Reconciliation of Segment Basis Revenues to GAAP Revenues
Total revenues	65,842	45,051	128,004	85,371
Strategic Developments | Operating Segments
Reconciliation of Segment Basis Revenues to GAAP Revenues
Total revenues	$ 86,617	$ 4,569	$ 122,267	$ 8,366