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ORGANIZATION AND BASIS OF PRESENTATION (Details) (USD $) | 6 Months Ended
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Jun. 30, 2012 opportunity_fund properties
Organization, Consolidation and Presentation of Financial Statements [Line Items] |
Number of Retail Properties (in properties) | 91
Number of Opportunity Funds | 3
Business Interruption Insurance Deductible | $ 100,000
Provision for Insurance Deductible Attributable to Loss of Rents | 100,000
Proceeds from Insurance Settlement, Investing Activities | 6,900,000
Flood |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |
Writedown of Asset Carrying Value Resulting From Property Damage | 1,400,000
Fund I and Mervyns I |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |
Ownership Interest By General Partner or Managing Partner | 22.20%
Fund II and Mervyns II |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |
Ownership Interest By General Partner or Managing Partner | 20.00%
Fund III |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |
Ownership Interest By General Partner or Managing Partner | 19.90%
Fund IV |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |
Ownership Interest By General Partner or Managing Partner | 21.50%
Equity Method Investment, Third Party Equity Commitments | 347,600,000
Number of Institutional Investors (in institutional investors) | 8
Equity Method Investment, Equity Commitment | 100,000,000
Equity Method Investment, Preferred Return | 6.00%
Core Portfolio |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |
Number of Retail Properties (in properties) | 57
Properties Owned, Percentage | 100.00%
Opportunity Funds |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |
Number of Retail Properties (in properties) | 34
Operating Partnership, as General Partner or Managing Member |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |
Ownership Interest By General Partner or Managing Partner | 99.00%
Minimum | Fund IV |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |
Equity Method Investments, Estimated Equity Commitment Including Third Party Commitments | 500,000,000
Equity Method Investment, Estimated Financial Information, Assets | 1,000,000,000
Equity Method Investment, Estimated Ownership Percentage | 20.00%
Maximum | Fund IV |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |
Equity Method Investments, Estimated Equity Commitment Including Third Party Commitments | 550,000,000
Equity Method Investment, Estimated Financial Information, Assets | $ 1,500,000,000
Equity Method Investment, Estimated Ownership Percentage | 25.00%

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- Definition The number of units or percentage investment held by the managing member or general partner of the LLC or LP. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Practice Bulletin (PB) -Number 14 -Paragraph 15 -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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055 + Details
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