Represents the percentage of economic interest acquired in the business combination.

No definition available.

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- Details

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- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents real estate investments of the balance sheet date.

+ References

No definition available.

+ Details

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- Definition

In a business combination achieved in stages, this element represents the amount of loss recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination.

+ References

No definition available.

+ Details

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- Definition

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13476-108611

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- Definition

Ratio of the net operating income produced by an asset and its capital cost (original prices paid to buy the asset), used as an input to measure fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bbb)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

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- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

+ Details

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- Definition

The charge against earnings in the period to reduce the carrying amount of real property to fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585

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-Publisher FASB

-Name Accounting Standards Codification

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 144

-Paragraph 26

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Total investments in (A) an entity in which the company has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method. Investments in an entity that is affiliated with the reporting entity by means of direct or indirect ownership, (C) an entity in which the reporting entity shares control of the entity with another party or group, and (D) an entity in which the company has significant influence, but does not have control.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 157

-Paragraph 33

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

This element represents the aggregate of the liabilities reported on the balance sheet at period end measured at fair value by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

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FAIR VALUE OF FINANCIAL INSTRUMENTS (Details 3) (USD $) In Thousands, unless otherwise specified	12 Months Ended																		12 Months Ended				12 Months Ended
	Dec. 31, 2010	Dec. 31, 2010 Master Planned Communities	Dec. 31, 2010 Master Planned Communities Maryland - Columbia	Dec. 31, 2010 Master Planned Communities Maryland - Gateway	Dec. 31, 2010 Master Planned Communities Summerlin South	Dec. 31, 2010 Operating Assets	Dec. 31, 2010 Operating Assets Landmark Mall	Dec. 31, 2010 Operating Assets Riverwalk Marketplace	Dec. 31, 2010 Strategic Developments	Dec. 31, 2010 Strategic Developments Century Plaza Mall	Dec. 31, 2010 Strategic Developments Nouvelle at Natick	Dec. 31, 2010 Total Fair Value Measurement	Dec. 31, 2010 Total Fair Value Measurement Master Planned Communities	Dec. 31, 2010 Total Fair Value Measurement Master Planned Communities Maryland - Columbia	Dec. 31, 2010 Total Fair Value Measurement Master Planned Communities Maryland - Gateway	Dec. 31, 2010 Total Fair Value Measurement Master Planned Communities Summerlin South	Dec. 31, 2010 Total Fair Value Measurement Operating Assets	Dec. 31, 2010 Total Fair Value Measurement Operating Assets Landmark Mall	Dec. 31, 2010 Total Fair Value Measurement Operating Assets Riverwalk Marketplace	Dec. 31, 2010 Total Fair Value Measurement Strategic Developments	Dec. 31, 2010 Total Fair Value Measurement Strategic Developments Century Plaza Mall	Dec. 31, 2010 Total Fair Value Measurement Strategic Developments Nouvelle at Natick	Dec. 31, 2012 Quoted Prices in Active Markets for Identical Assets (Level 1) Millennium Waterway Apartments	Dec. 31, 2011 Non-recurring basis	Dec. 31, 2010 Non-recurring basis	Dec. 31, 2010 Non-recurring basis Master Planned Communities Maryland - Columbia	Dec. 31, 2010 Non-recurring basis Master Planned Communities Maryland - Gateway	Dec. 31, 2010 Non-recurring basis Master Planned Communities Summerlin South	Dec. 31, 2010 Non-recurring basis Operating Assets Landmark Mall	Dec. 31, 2010 Non-recurring basis Operating Assets Riverwalk Marketplace	Dec. 31, 2010 Non-recurring basis Strategic Developments Century Plaza Mall	Dec. 31, 2010 Non-recurring basis Strategic Developments Nouvelle at Natick	Dec. 31, 2012 Non-recurring basis Total Fair Value Measurement	Dec. 31, 2011 Non-recurring basis Total Fair Value Measurement	Dec. 31, 2010 Non-recurring basis Total Fair Value Measurement	Dec. 31, 2010 Non-recurring basis Total Fair Value Measurement Master Planned Communities Maryland - Columbia	Dec. 31, 2010 Non-recurring basis Total Fair Value Measurement Master Planned Communities Maryland - Gateway	Dec. 31, 2010 Non-recurring basis Total Fair Value Measurement Master Planned Communities Summerlin South	Dec. 31, 2010 Non-recurring basis Total Fair Value Measurement Operating Assets Landmark Mall	Dec. 31, 2010 Non-recurring basis Total Fair Value Measurement Operating Assets Riverwalk Marketplace	Dec. 31, 2010 Non-recurring basis Total Fair Value Measurement Strategic Developments Century Plaza Mall	Dec. 31, 2010 Non-recurring basis Total Fair Value Measurement Strategic Developments Nouvelle at Natick	Dec. 31, 2012 Non-recurring basis Quoted Prices in Active Markets for Identical Assets (Level 1)	Dec. 31, 2010 Non-recurring basis Quoted Prices in Active Markets for Identical Assets (Level 1)	Dec. 31, 2011 Non-recurring basis Significant Unobservable Inputs (Level 3)	Dec. 31, 2010 Non-recurring basis Significant Unobservable Inputs (Level 3)	Dec. 31, 2010 Non-recurring basis Significant Unobservable Inputs (Level 3) Master Planned Communities Maryland - Columbia	Dec. 31, 2010 Non-recurring basis Significant Unobservable Inputs (Level 3) Master Planned Communities Maryland - Gateway	Dec. 31, 2010 Non-recurring basis Significant Unobservable Inputs (Level 3) Master Planned Communities Summerlin South	Dec. 31, 2010 Non-recurring basis Significant Unobservable Inputs (Level 3) Operating Assets Landmark Mall	Dec. 31, 2010 Non-recurring basis Significant Unobservable Inputs (Level 3) Operating Assets Riverwalk Marketplace	Dec. 31, 2010 Non-recurring basis Significant Unobservable Inputs (Level 3) Strategic Developments Century Plaza Mall	Dec. 31, 2010 Non-recurring basis Significant Unobservable Inputs (Level 3) Strategic Developments Nouvelle at Natick
Assets:
Investment in Real Estate Affiliates																																	$ 22,405	$ 128,764									$ 22,405		$ 128,764
Impaired Asset												291,639	239,797	34,823	1,649	203,325	33,929	23,750	10,179	17,913	4,500	13,413													291,639	34,823	1,649	203,325	23,750	10,179	4,500	13,413		291,639		291,639	34,823	1,649	203,325	23,750	10,179	4,500	13,413
Investment in Real Estate Affiliates, Total Loss																								6,053
Impairment Charges		405,331	56,798	2,613	345,920	80,923	24,434	55,975	17,102	12,899	4,135														502,774	56,798	2,613	345,920	24,434	55,975	12,899	4,135
Debt
Fair value of emerged entity mortgage debt	2,749																																		65,753											65,753
Total liabilities	$ 2,749																																		$ 65,753											$ 65,753
Percentage of economic interest acquired																							23.50%
Discount rate	20.00%
Residual capitalization rate (as a percent)																			8.50%