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ORGANIZATION AND BASIS OF PRESENTATION Summary of General Terms and Operating Partnership's Equity Interests (Details) (USD $) In Millions, unless otherwise specified | 6 Months Ended
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Jun. 30, 2014
Fund I and Mervyns I |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |
Operating Partnership Share of Capital | 22.22% | [1]
Committed Capital | $ 90.0 | [1]
Capital Called as of June 30, 2013 | 86.6 | [1],[2]
Ownership Interest By General Partner or Managing Partner | 37.78% | [1]
Preferred Return | 9.00% | [1]
Capital Returned as of June 30, 2013 | 86.6 | [1],[2]
Fund II and Mervyns II |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |
Operating Partnership Share of Capital | 20.00% | [3]
Committed Capital | 300.0 | [3]
Capital Called as of June 30, 2013 | 300.0 | [2],[3]
Ownership Interest By General Partner or Managing Partner | 20.00% | [3]
Preferred Return | 8.00% | [3]
Capital Returned as of June 30, 2013 | 131.6 | [2],[3]
Fund III |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |
Operating Partnership Share of Capital | 19.90% |
Committed Capital | 475.0 | [3]
Capital Called as of June 30, 2013 | 366.6 | [2]
Ownership Interest By General Partner or Managing Partner | 19.90% |
Preferred Return | 6.00% |
Capital Returned as of June 30, 2013 | 262.6 | [2]
Fund IV |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |
Operating Partnership Share of Capital | 23.12% |
Committed Capital | 540.6 | [3]
Capital Called as of June 30, 2013 | 121.0 | [2]
Ownership Interest By General Partner or Managing Partner | 23.12% |
Preferred Return | 6.00% |
Capital Returned as of June 30, 2013 | $ 0 | [2]
[1] | Fund I and Mervyns I have returned all capital and preferred return. The Operating Partnership is now entitled to a Promote on all future cash distributions.
[2] | Represents the total for the Funds, including the Operating Partnership and noncontrolling interests' shares.
[3] | During 2013, a distribution of $47.1 million was made to the Fund II investors, including the Operating Partnership. This amount is subject to recontribution to Fund II until December 2016, if needed to fund the on-going development and construction of existing projects.

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- Definition Total contributions made by each class of partners (i.e., general, limited and preferred partners). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770 + Details
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