SEGMENTS (Reconciliation of EBT to Income (Loss) Before Taxes) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Reconciliation of REP EBT to GAAP net income (loss)
Interest expense	$ (17,858)	$ (15,993)
General and administrative	(18,117)	(20,324)
Warrant liability (loss) gain	(12,562)	29,820
Gain on acquisition of joint venture partner’s interest	5,490
Early extinguishment of debt	(46,410)
Corporate other income, net	32,902	140,838
Corporate depreciation and amortization	(25,524)	(22,972)
Operating Expenses	187,110	187,534
Income (loss) before taxes	15,356	208,998
Corporate, Non-Segment [Member]
Reconciliation of REP EBT to GAAP net income (loss)
Corporate interest expense, net	(12,873)	(13,076)
Corporate other income, net	850	(246)
Corporate depreciation and amortization	(1,975)	(1,029)
Operating Expenses	(85,597)	(4,855)
Operating Segments [Member]
Reconciliation of REP EBT to GAAP net income (loss)
REP EBT	100,953	213,853
Master Planned Communities [Member] | Operating Segments [Member]
Reconciliation of REP EBT to GAAP net income (loss)
REP EBT	44,186	29,745
Corporate depreciation and amortization	(92)	(83)
Operating Assets [Member] | Operating Segments [Member]
Reconciliation of REP EBT to GAAP net income (loss)
REP EBT	7,922	403
Corporate other income, net	(178)	363
Corporate depreciation and amortization	(22,789)	(21,201)
Strategic Developments [Member] | Operating Segments [Member]
Reconciliation of REP EBT to GAAP net income (loss)
REP EBT	48,845	183,705
Corporate other income, net	15	244
Corporate depreciation and amortization	$ (668)	$ (659)