SEGMENTS (Summary of Segment Operating Results) (Details) $ in Thousands		1 Months Ended	3 Months Ended
	Mar. 01, 2017 USD ($)	Mar. 31, 2017 USD ($)	Mar. 31, 2017 USD ($) segment	Mar. 31, 2016 USD ($)
Segments reporting
Number of reportable segments | segment			3
Land sales			$ 53,481	$ 41,942
Builder price participation			4,661	4,647
Minimum rents			46,326	41,309
Other land revenues			10,582	3,033
Other rental and property revenues			5,457	3,204
Total revenues			231,762	239,666
Tenant recoveries			11,399	10,528
Condominium rights and unit sales			80,145	122,094
Hospitality revenues			19,711	12,909
Cost of sales - land			25,869	15,688
Other property operating costs			18,508	15,742
Rental property real estate taxes			7,537	6,748
Rental property maintenance costs			3,028	3,132
Hospitality operating costs			13,845	10,475
Provision for doubtful accounts			535	3,041
Demolition costs			65	472
Development-related marketing costs			4,205	4,531
Depreciation and amortization			25,524	22,972
Other income, net			(32,902)	(140,838)
Interest income			(622)	(269)
Equity in earnings from Real Estate and Other Affiliates			(8,520)	(1,932)
Gain on sale of 80 South Street Assemblage			(32,215)	(140,479)
Early extinguishment of debt			46,410
Operating Segments [Member]
Segments reporting
REP segment EBT			100,953	213,853
Operating Segments [Member] | Master Planned Communities [Member]
Segments reporting
Land sales			53,481	41,942
Builder price participation			4,661	4,647
Minimum rents			(8)	143
Other land revenues			10,572	3,023
Total revenues			68,706	49,755
Cost of sales - land			25,869	15,688
Land sales operations			9,394	9,594
Provision for doubtful accounts			2
Depreciation and amortization			92	83
Interest income			(8)	(16)
Interest expense			(5,549)	(5,339)
Equity in earnings from Real Estate and Other Affiliates			(5,280)
Total expenses			24,520	20,010
REP segment EBT			44,186	29,745
Operating Segments [Member] | Operating Assets [Member]
Segments reporting
Minimum rents			45,962	41,118
Other rental and property revenues			5,184	3,083
Total revenues			82,087	67,633
Tenant recoveries			11,230	10,523
Hospitality revenues			19,711	12,909
Other property operating costs			15,523	14,118
Rental property real estate taxes			6,845	6,142
Rental property maintenance costs			2,833	3,001
Hospitality operating costs			13,845	10,475
Provision for doubtful accounts			530	2,979
Demolition costs			65
Development-related marketing costs			418	256
Depreciation and amortization			22,789	21,201
Other income, net			178	(363)
Interest income				(8)
Interest expense			14,524	11,337
Equity in earnings from Real Estate and Other Affiliates			(3,385)	(1,908)
Total expenses			74,165	67,230
REP segment EBT			7,922	403
Operating Segments [Member] | Strategic Developments [Member]
Segments reporting
Minimum rents			372	48
Other land revenues			10	10
Other rental and property revenues			273	121
Total revenues			80,969	122,278
Tenant recoveries			169	5
Condominium rights and unit sales			80,145	122,094
Condominium rights and unit cost of sales			60,483	74,815
Other property operating costs			2,985	1,624
Rental property real estate taxes			692	606
Rental property maintenance costs			195	131
Provision for doubtful accounts			3	62
Demolition costs				472
Development-related marketing costs			3,787	4,275
Depreciation and amortization			668	659
Other income, net			(15)	(244)
Interest income			(65)	(6)
Interest expense			(4,539)	(3,318)
Equity in earnings from Real Estate and Other Affiliates			145	(24)
Gain on sale of 80 South Street Assemblage			(32,215)	(140,479)
Total expenses			32,124	(61,427)
REP segment EBT			$ 48,845	$ 183,705
Las Vegas 51s LLC [Member]
Segments reporting
Ownership interest (as a percent)	50.00%
Total revenues		$ 1,300
Equity in earnings from Real Estate and Other Affiliates	$ (200)