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Represents the area of the land contributed to the joint venture by the entity.

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The area of land in downtown Summerlin.

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Represents the area of real estate property to be constructed.

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Represents onformation pretaining to entitlement of distribution by joint venture after receipt of capital contribution and preferred returns.

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Represents the amount of transaction value, per constructed unit of land contributed to joint venture.

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Represents the amount of capital investment in the joint venture which is accounted using equity method investments.

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The number of units in a real estate property that have closed.

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Represents the number of units in a real estate property to be constructed.

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Represents the ownership ratio in a joint venture agreement.

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Represents the amount of capital contribution required in accordance with the loan agreement.

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Represents the partner's capital contribution to the equity method investee.

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Represents the percentage of equity interest held by partners in the joint venture.

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Represents the percentage of proceeds in excess of an amount determined by applying a specified capitalization rate to NOI.

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Represents the percentage share of the proceeds from the sale of the property.

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Represents the percentage of preferred return on the capital of the entity.

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Real Estate Affiliates increase of additional borrowings on existing and new debt instruments.

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Real Estate Affiliates carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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Represents the reporting entity's proportionate share in indebtedness secured by the properties owned by real estate affiliates as on balance sheet date.

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Amount of SID bonds transferred to a Joint Venture.

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The per acre value of the land contributed to a joint venture.

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Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

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REAL ESTATE AND OTHER AFFILIATES (Details) (USD $)	3 Months Ended		0 Months Ended						1 Months Ended	0 Months Ended
REAL ESTATE AND OTHER AFFILIATES (Details) (USD $)	Mar. 31, 2015 item	Mar. 31, 2014	Jul. 05, 2012 acre	May 14, 2012 item	Oct. 04, 2013 acre item sqft	Jul. 11, 2013	Oct. 27, 2011 item	Jan. 24, 2014 acre item	May 31, 2013	Aug. 06, 2012	Dec. 31, 2014	Aug. 06, 2013
Investment in Real Estate and Other Affiliates
Carrying Value	$ 56,127,000										$ 53,686,000
Share of Earnings/Dividends	1,788,000	6,068,000
Share of distributable cash		5,500,000
Aggregate carrying value of unconsolidated VIEs	20,300,000										29,500,000
Number of variable interest entities in which entity is primary beneficiary	1
Carrying values of the assets associated with the operations of the consolidated VIEs	21,200,000										21,100,000
Carrying values of the liabilities associated with the operations of the consolidated VIEs	800,000										600,000
repayments of debt	4,923,000us-gaap_RepaymentsOfLongTermDebt	2,138,000us-gaap_RepaymentsOfLongTermDebt
Book value of land contributed to joint venture	321,176,000us-gaap_Land										317,211,000us-gaap_Land
Equity Method Investments [Member]
Investment in Real Estate and Other Affiliates
Carrying Value	52,190,000										49,769,000
Share of Earnings/Dividends	41,000	4,287,000
Cost-method Investments [Member]
Investment in Real Estate and Other Affiliates
Carrying Value	3,937,000										3,917,000
Share of Earnings/Dividends	1,747,000	1,781,000
Discovery Land \| Equity Method Investments [Member]
Investment in Real Estate and Other Affiliates
Book value of land contributed to joint venture	13,400,000
SID Bonds transferred to a joint venture	1,300,000
Transaction value of the land contributed to joint venture	125,400,000
Value of land contributed to joint venture (in dollars per acre)	226,000
Preferred return, on capital (as a percent)	5.00%
Capital obligations	0
Entitlement of distribution by joint venture (in times)	2
Discovery Land \| Equity Method Investments [Member] \| Maximum [Member]
Investment in Real Estate and Other Affiliates
Cash contributed by joint venture partner	30,000,000
KR Holdings LLC \| Equity Method Investments [Member]
Investment in Real Estate and Other Affiliates
Number of units in luxury condominium tower	206
Number of units closed	201
Proceeds from Sale of Real Estate	8,900,000
Millennium Woodlands Phase II LLC
Investment in Real Estate and Other Affiliates
Area of land contributed to the joint venture (in acres)			4.8
Number of units in Class A apartment building to be constructed				314
Fair value of the land contributed to joint venture			15,500,000
Cash contributed by joint venture partner			3,000,000
Construction loan secured			37,700,000
Parcel C
Investment in Real Estate and Other Affiliates
Area of land contributed to the joint venture (in acres)					5
Number of units in Class A apartment building to be constructed					437
Area of real estate property to be constructed (in square feet)					31,000
Fair value of the land contributed to joint venture					4,000,000
Transaction value of the land contributed to joint venture					23,400,000
Transaction value, per constructed unit of land contributed to joint venture					53,500,000,000
Parcel D
Investment in Real Estate and Other Affiliates
Fair value of the land contributed to joint venture						20,300,000
Transaction value, per constructed unit of land contributed to joint venture						53,500
Cash contributed by joint venture partner						13,300,000
Percentage of ownership interest of partners in joint venture							50.00%
Additional improvements made in the venture						16,400,000
Future contribution required in accordance with the loan agreement						3,100,000
Distribution of the cash contributed by joint venture partner						7,000,000
Net profit recognized on partial sale of joint venture interest						700,000
Parcel D \| Equity Method Investments [Member]
Investment in Real Estate and Other Affiliates
Number of units in Class A apartment building to be constructed							380
Parcel D \| Construction Loan Payable [Member]
Investment in Real Estate and Other Affiliates
Aggregate principal amount of debt issued						64,100,000
Outstanding debt	52,300,000
Variable rate basis						one-month LIBOR
Interest rate margin (as a percent)						2.40%
Summerlin Apartments LLC
Investment in Real Estate and Other Affiliates
Area of land contributed to the joint venture (in acres)								4.5
Number of units in Class A apartment building to be constructed								124
Area Of Land In Downtown Summerlin								400
Fair value of the land contributed to joint venture								3,200,000
Percentage of ownership interest of partners in joint venture								50.00%
Percent Share of Proceeds Upon Sale Of Property								50
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%
Economic interest (as a percent)								50.00%
Summerlin Las Vegas Baseball Club LLC
Investment in Real Estate and Other Affiliates
Amount funded in cash to joint venture									10,500,000
Economic interest (as a percent)												50.00%
Summerlin Las Vegas Baseball Club LLC \| Las Vegas 51S LLC [Member]
Investment in Real Estate and Other Affiliates
Ownership ratio in a joint venture (as a percent)										100.00%
Unconsolidated Properties [Member]
Investment in Real Estate and Other Affiliates
Secured debt	97,800,000
Share of the entity in secured debt	58,900,000
Master Planned Communities [Member] \| Discovery Land
Investment in Real Estate and Other Affiliates
Carrying Value	12,052,000
Operating Assets [Member] \| Millennium Woodlands Phase II LLC \| Equity Method Investments [Member]
Investment in Real Estate and Other Affiliates
Carrying Value	362,000										1,023,000
Share of Earnings/Dividends	(661,000)	(36,000)
Economic interest (as a percent)	81.43%										81.43%
Operating Assets [Member] \| Parcel D \| Equity Method Investments [Member]
Investment in Real Estate and Other Affiliates
Carrying Value	4,562,000										4,800,000
Share of Earnings/Dividends	(319,000)
Economic interest (as a percent)	50.00%										50.00%
Operating Assets [Member] \| Stewart Title \| Equity Method Investments [Member]
Investment in Real Estate and Other Affiliates
Carrying Value	3,663,000										3,869,000
Share of Earnings/Dividends	194,000	93,000
Economic interest (as a percent)	50.00%										50.00%
Operating Assets [Member] \| Summerlin Las Vegas Baseball Club LLC \| Equity Method Investments [Member]
Investment in Real Estate and Other Affiliates
Carrying Value	10,431,000										10,548,000
Share of Earnings/Dividends	(117,000)	(126,000)
Economic interest (as a percent)	50.00%										50.00%
Operating Assets [Member] \| Woodlands Sarofim 1 \| Equity Method Investments [Member]
Investment in Real Estate and Other Affiliates
Carrying Value	2,635,000										2,595,000
Share of Earnings/Dividends	40,000	57,000
Economic interest (as a percent)	20.00%										20.00%
Strategic Developments [Member] \| Circle T \| Equity Method Investments [Member]
Investment in Real Estate and Other Affiliates
Carrying Value	9,004,000										9,004,000
Economic interest (as a percent)	50.00%										50.00%
Strategic Developments [Member] \| HHMK Development LLC \| Equity Method Investments [Member]
Investment in Real Estate and Other Affiliates
Carrying Value	10,000										10,000
Share of Earnings/Dividends	539,000	290,000
Economic interest (as a percent)	50.00%										50.00%
Strategic Developments [Member] \| KR Holdings LLC \| Equity Method Investments [Member]
Investment in Real Estate and Other Affiliates
Carrying Value	876,000										9,183,000
Share of Earnings/Dividends	365,000	4,009,000
Economic interest (as a percent)	50.00%										50.00%
Strategic Developments [Member] \| Summerlin Apartments LLC \| Equity Method Investments [Member]
Investment in Real Estate and Other Affiliates
Carrying Value	1,661,000
Economic interest (as a percent)	50.00%										50.00%
Strategic Developments [Member] \| Parcel C \| Equity Method Investments [Member]
Investment in Real Estate and Other Affiliates
Carrying Value	$ 6,934,000										$ 8,737,000
Economic interest (as a percent)	50.00%										50.00%