REAL ESTATE AND OTHER AFFILIATES (Details) (USD $)	3 Months Ended		6 Months Ended			6 Months Ended	3 Months Ended		6 Months Ended			6 Months Ended					0 Months Ended	3 Months Ended		6 Months Ended			0 Months Ended			3 Months Ended		6 Months Ended			0 Months Ended		6 Months Ended		0 Months Ended		3 Months Ended	6 Months Ended		3 Months Ended		6 Months Ended		0 Months Ended	6 Months Ended		0 Months Ended		3 Months Ended	6 Months Ended		0 Months Ended				0 Months Ended	3 Months Ended		6 Months Ended				0 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013	Jun. 30, 2014 Primary beneficiary item	Jun. 30, 2014 Equity method investments	Jun. 30, 2013 Equity method investments	Jun. 30, 2014 Equity method investments	Jun. 30, 2013 Equity method investments	Dec. 31, 2013 Equity method investments	Jun. 30, 2014 Cost basis investments	Jun. 30, 2013 Cost basis investments	Dec. 31, 2013 Cost basis investments	Jun. 30, 2014 Circle T Ranch and Power Center Equity method investments	Dec. 31, 2013 Circle T Ranch and Power Center Equity method investments	Oct. 11, 2011 HHMK Development item	Jun. 30, 2014 HHMK Development Equity method investments	Jun. 30, 2013 HHMK Development Equity method investments	Jun. 30, 2014 HHMK Development Equity method investments	Jun. 30, 2013 HHMK Development Equity method investments	Dec. 31, 2013 HHMK Development Equity method investments	May 15, 2013 KR Holdings	Sep. 17, 2012 KR Holdings	Jun. 14, 2012 KR Holdings	Jun. 30, 2014 KR Holdings Equity method investments	Jun. 30, 2013 KR Holdings Equity method investments	Jun. 30, 2014 KR Holdings Equity method investments	Jun. 30, 2013 KR Holdings Equity method investments	Dec. 31, 2013 KR Holdings Equity method investments	Sep. 17, 2012 KR Holdings A & B Properties, Inc.	Sep. 17, 2012 KR Holdings Mezzanine loan agreements item	Jun. 30, 2014 KR Holdings Construction loan	May 15, 2013 KR Holdings Construction loan	Jul. 05, 2012 Millennium Phase II, LLC acre	May 14, 2012 Millennium Phase II, LLC item	Jun. 30, 2014 Millennium Phase II, LLC Equity method investments	Jun. 30, 2014 Millennium Phase II, LLC Equity method investments	Dec. 31, 2013 Millennium Phase II, LLC Equity method investments	Jun. 30, 2014 Stewart Title Equity method investments	Jun. 30, 2013 Stewart Title Equity method investments	Jun. 30, 2014 Stewart Title Equity method investments	Dec. 31, 2013 Stewart Title Equity method investments	Jan. 24, 2014 Summerlin Apartments, LLC acre item	Jun. 30, 2013 Summerlin Apartments, LLC Equity method investments	Jun. 30, 2014 Summerlin Apartments, LLC Equity method investments	Aug. 06, 2012 Summerlin Las Vegas Baseball Club	Aug. 06, 2012 Summerlin Las Vegas Baseball Club Las Vegas 51S LLC	Jun. 30, 2014 Summerlin Las Vegas Baseball Club Equity method investments	Jun. 30, 2014 Summerlin Las Vegas Baseball Club Equity method investments	Dec. 31, 2013 Summerlin Las Vegas Baseball Club Equity method investments	Jul. 11, 2013 ParcelD	Oct. 27, 2011 ParcelD	Jun. 30, 2014 ParcelD Equity method investments	Dec. 31, 2013 ParcelD Equity method investments	Jul. 11, 2013 ParcelD Construction loan	Jun. 30, 2014 Woodlands Sarofim Equity method investments	Jun. 30, 2013 Woodlands Sarofim Equity method investments	Jun. 30, 2014 Woodlands Sarofim Equity method investments	Jun. 30, 2013 Woodlands Sarofim Equity method investments	Dec. 31, 2013 Woodlands Sarofim Equity method investments	Jun. 30, 2014 Properties owned by real estate affiliates	Oct. 04, 2013 Parcel C item acre sqft	Jun. 30, 2014 Parcel C Equity method investments	Dec. 31, 2013 Parcel C Equity method investments
Investment in Real Estate and Other Affiliates
Economic/Legal ownership (as a percent)															50.00%	50.00%		50.00%		50.00%		50.00%				50.00%		50.00%		50.00%							81.43%	81.43%	81.43%	50.00%		50.00%	50.00%			50.00%	50.00%		50.00%	50.00%	50.00%			50.00%	50.00%		20.00%		20.00%		20.00%			50.00%	50.00%
Carrying Value	$ 77,284,000		$ 77,284,000		$ 61,021,000		$ 73,491,000		$ 73,491,000		$ 57,275,000	$ 3,793,000		$ 3,746,000	$ 9,004,000	$ 9,004,000		$ 13,000		$ 13,000		$ 13,000				$ 34,059,000		$ 34,059,000		$ 19,764,000							$ 2,129,000	$ 2,129,000	$ 2,174,000	$ 4,013,000		$ 4,013,000	$ 3,843,000						$ 10,813,000	$ 10,813,000	$ 10,636,000			$ 3,642,000	$ 3,461,000		$ 2,573,000		$ 2,573,000		$ 2,579,000			$ 7,245,000	$ 5,801,000
Share of Earnings/Dividends	6,587,000	5,707,000	12,655,000	8,440,000			6,587,000	5,707,000	10,874,000	5,937,000		1,781,000	2,503,000					193,000	153,000	483,000	153,000					5,726,000	5,191,000	9,735,000	5,191,000								(99,000)	(135,000)		425,000	326,000	518,000			517,000				302,000	176,000							40,000	37,000	97,000	76,000
Aggregate carrying value of unconsolidated VIEs	54,300,000		54,300,000		38,400,000
Secured debt																																																														135,400,000
Share of the entity in secured debt																																																														75,200,000
Number of variable interest entities						1
Carrying values of the assets associated with the operations of the consolidated VIEs	20,700,000		20,700,000		20,600,000
Carrying values of the liabilities associated with the operations of the consolidated VIEs	100,000		100,000		100,000
Number of local developers with whom the entity entered into a joint venture																	2
Capital contribution																																															10,500,000
Area of land contributed to the joint venture (in acres)																																			4.8									5.5																			5
Number of units in Class A apartment building to be constructed																																				314								124																			437
Area of real estate property to be constructed (in square feet)																																																															31,000
Fair value of the land contributed to joint venture																																			15,500,000									3,200,000								20,300,000											23,400,000
Book value of land contributed to joint venture	244,041,000		244,041,000		244,041,000																																																										4,000,000
Transaction value, per constructed unit of land contributed to joint venture																																																				53,500											53,500
Ownership ratio in a joint venture (as a percent)																									50.00%																							100.00%
Number of debt instruments																																2
Aggregate principal amount of debt issued																																20,000,000																								64,100,000
Blended interest rate (as a percent)																																12.00%
Option to extend, term																																1 year
Preferred return, on capital (as a percent)																								13.00%
Maximum share in the profits of joint venture																															3,000,000
Mortgage loan																																	37,300,000	132,000,000
Net cash proceeds from sale of condominium rights				47,500,000																			30,800,000
Percentage of in substance real estate sold																							50.00%
Cash contributed by joint venture partner																							16,800,000												3,000,000																	13,300,000
Percentage of ownership interest of partners in joint venture																							50.00%																					50.00%									50.00%
Area of land (in acres)																																												400
Percentage of proceeds in excess of an amount determined by applying a specified capitalization rate to NOI																																												100.00%
Capitalization rate (as a percent)																																												7.00%
Maximum Facility Amount																																	132,000,000
Variable rate basis																																	one-month LIBOR																							one-month LIBOR
Interest rate margin (as a percent)																																	3.00%																							2.40%
Construction loan secured																																			37,700,000
Distribution of the cash contributed by joint venture partner																																																				7,000,000
Future contribution required in accordance with the loan agreement																																																				3,100,000
Additional improvements made in the venture																																																				16,400,000
Net profit recognized on partial sale of joint venture interest																																																				$ 700,000