SEGMENTS - Segment Revenue to GAAP Consolidated Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Reconciliation of Segment Basis Revenues to GAAP Revenues
Total revenues	$ 203,442	$ 119,228	$ 567,695	$ 427,512
Master Planned Communities | Operating Segments
Reconciliation of Segment Basis Revenues to GAAP Revenues
Total revenues	56,909	69,173	170,891	283,720
Operating Assets | Operating Segments
Reconciliation of Segment Basis Revenues to GAAP Revenues
Total revenues	67,422	45,842	195,426	131,213
Strategic Developments | Operating Segments
Reconciliation of Segment Basis Revenues to GAAP Revenues
Total revenues	$ 79,111	$ 4,213	$ 201,378	$ 12,579