SEGMENTS (Reconciliation of Segment Revenue to Consolidated Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Reconciliation of Segment Basis Revenues to GAAP Revenues
Total revenues	$ 278,546	$ 242,265	$ 273,514	$ 240,680	$ 229,393	$ 203,442	$ 209,163	$ 155,090	$ 1,035,005	$ 797,088	$ 634,565
Operating Segments
Reconciliation of Segment Basis Revenues to GAAP Revenues
Total revenues									1,035,005	797,088	634,565
Master Planned Communities | Operating Segments
Reconciliation of Segment Basis Revenues to GAAP Revenues
Total revenues									253,304	229,865	363,295
Operating Assets | Operating Segments
Reconciliation of Segment Basis Revenues to GAAP Revenues
Total revenues									295,165	259,306	186,290
Strategic Developments | Operating Segments
Reconciliation of Segment Basis Revenues to GAAP Revenues
Total revenues									$ 486,536	$ 307,917	$ 84,980