SEGMENTS (Reconciliation of EBT to Income (Loss) Before Taxes) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Reconciliation of REP EBT to GAAP net income (loss)
General and administrative	$ (22,362)	$ (21,128)	$ (63,423)	$ (61,505)
Warrant liability loss		(7,300)	(43,443)	(21,630)
Gain on acquisition of joint venture partner’s interest		27,087	5,490	27,087
Loss on redemption of senior notes due 2021			(46,410)
Corporate other (expense) income, net	77	(35,232)	33,202	114,673
Corporate depreciation and amortization	(35,899)	(23,322)	(96,193)	(71,246)
Operating Expenses	(234,441)	(206,248)	(676,280)	(603,744)
Income before taxes	16,362	18,158	51,141	260,819
Corporate, Non-Segment
Reconciliation of REP EBT to GAAP net income (loss)
General and administrative	(22,362)	(21,128)	(63,423)	(61,505)
Corporate interest expense, net	(12,875)	(13,263)	(36,595)	(39,358)
Warrant liability loss		(7,300)	(43,443)	(21,630)
Gain on acquisition of joint venture partner’s interest		27,087	5,490	27,087
Loss on redemption of senior notes due 2021			(46,410)
Corporate other (expense) income, net	(33)	123	878	6,190
Corporate depreciation and amortization	(1,920)	(1,859)	(5,851)	(4,486)
Operating Expenses	(37,190)	(16,340)	(189,354)	(93,702)
Operating Segments
Reconciliation of REP EBT to GAAP net income (loss)
REP EBT	53,552	34,498	240,495	354,521
Master Planned Communities \| Operating Segments
Reconciliation of REP EBT to GAAP net income (loss)
REP EBT	40,465	39,537	137,747	116,776
Corporate depreciation and amortization	(76)	(72)	(247)	(236)
Operating Assets \| Operating Segments
Reconciliation of REP EBT to GAAP net income (loss)
REP EBT	(13,162)	(35,943)	(14,308)	(28,175)
Corporate other (expense) income, net	(249)	11	(265)	3,126
Corporate depreciation and amortization	(33,885)	(20,732)	(88,918)	(64,546)
Strategic Developments \| Operating Segments
Reconciliation of REP EBT to GAAP net income (loss)
REP EBT	26,249	30,904	117,056	265,920
Corporate other (expense) income, net	122	298	137	542
Corporate depreciation and amortization	$ (18)	$ (659)	$ (1,177)	$ (1,978)

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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