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INVESTMENTS IN AND ADVANCES TO UNCONSOLIDATED AFFILIATES (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2013 | Mar. 31, 2012 | Dec. 31, 2012
Schedule of Equity Method Investments [Line Items] |  |  |
Investments in and advances to unconsolidated affiliates | $ 222,462 |  | $ 221,694
Assets |  |  |
Investments in and advances to unconsolidated affiliates | 222,462 |  | 221,694
Total assets | 2,295,869 | 1,372,433 | 1,908,440
Liabilities and Equity |  |  |
Other liabilities | 22,657 |  | 21,303
Total liabilities and equity | 2,295,869 |  | 1,908,440
Investments in and advances to unconsolidated affiliates | 222,462 |  | 221,694
Company's share of distributions in excess of share of income and investments in unconsolidated affiliates | (12,488) |  | (22,707)
Combined and Condensed Statements of Operations |  |  |
Total revenues | 47,271 | 29,913 |
Operating and other expenses | 28,599 | 22,667 |
Equity in (losses) earnings of unconsolidated affiliates | 2,250 | (56) |
Depreciation and amortization | 10,628 | 7,146 |
Income from continuing operations | 10,782 | 496 |
Unconsolidated Affiliates |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investments in and advances to unconsolidated affiliates | 93,009 |  | 93,923
Assets |  |  |
Rental property, net | 321,445 |  | 441,611
Investments in and advances to unconsolidated affiliates | 93,009 |  | 93,923
Other assets | 30,192 |  | 39,035
Total assets | 444,646 |  | 574,569
Liabilities and Equity |  |  |
Mortgage notes payable | 159,255 |  | 326,296
Other liabilities | 16,913 |  | 24,267
Partners' equity | 268,478 |  | 224,006
Total liabilities and equity | 444,646 |  | 574,569
Investments in and advances to unconsolidated affiliates | 93,009 |  | 93,923
Combined and Condensed Statements of Operations |  |  |
Total revenues | 10,999 | 12,296 |
Operating and other expenses | 4,281 | 4,454 |
Interest expense | 2,031 | 4,638 |
Equity in (losses) earnings of unconsolidated affiliates | (711) | (1,623) |
Depreciation and amortization | 2,081 | 2,272 |
Income from continuing operations | 1,895 | (691) |
Operating Partnership, as General Partner or Managing Member |  |  |
Combined and Condensed Statements of Operations |  |  |
Equity in (losses) earnings of unconsolidated affiliates | 2,250 | (56) |
Company's share of net income (loss) | 2,348 | 42 |
Amortization of excess investment | (98) | (98) |
Core Portfolio |  |  |
Assets |  |  |
Total assets | 1,075,253 | 661,545 |
Combined and Condensed Statements of Operations |  |  |
Total revenues | 26,877 | 15,708 |
Depreciation and amortization | 6,636 | 3,742 |
Core Portfolio | Crossroads |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method Investment, Ownership Percentage | 49.00% |  |
Square Footage of Real Estate Property (in square feet) | 311,000 |  |
Core Portfolio | Georgetown Portfolio |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method Investment, Ownership Percentage | 50.00% |  |
Square Footage of Real Estate Property (in square feet) | 28,000 |  |
Core Portfolio | Route 202 Shopping Center [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method Investment, Ownership Percentage | 22.22% |  |
Square Footage of Real Estate Property (in square feet) | 20,000 |  |
Opportunity Funds |  |  |
Assets |  |  |
Total assets | 1,115,249 | 633,708 |
Combined and Condensed Statements of Operations |  |  |
Total revenues | 17,525 | 12,150 |
Depreciation and amortization | 3,992 | 3,404 |
Opportunity Funds | RCP Venture |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investments in and advances to unconsolidated affiliates | 63,214 |  |
Investment Income, Dividend | 142,236 |  |
Assets |  |  |
Investments in and advances to unconsolidated affiliates | 63,214 |  |
Liabilities and Equity |  |  |
Investments in and advances to unconsolidated affiliates | 63,214 |  |
Opportunity Funds | RCP Venture | Operating Partnership, as General Partner or Managing Member |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investments in and advances to unconsolidated affiliates | 12,070 |  |
Investment Income, Dividend | 30,612 |  |
Assets |  |  |
Investments in and advances to unconsolidated affiliates | 12,070 |  |
Liabilities and Equity |  |  |
Investments in and advances to unconsolidated affiliates | 12,070 |  |
Opportunity Funds | Mervyns I and Mervyns II | KLA/Mervyns LLC Add-On Investments |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Cost Method Investments | 7,547 |  |
Investment Income, Dividend | 3,558 |  |
Opportunity Funds | Mervyns I and Mervyns II | KLA/Mervyns LLC Add-On Investments | Operating Partnership, as General Partner or Managing Member |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Cost Method Investments | 1,252 |  |
Investment Income, Dividend | 819 |  |
Opportunity Funds | Mervyns II | KLA A Markets LLC Add-On Investments |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Cost Method Investments | 2,416 |  |
Investment Income, Dividend | 4,864 |  |
Opportunity Funds | Mervyns II | KLA A Markets LLC Add-On Investments | Operating Partnership, as General Partner or Managing Member |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Cost Method Investments | 388 |  |
Investment Income, Dividend | 972 |  |
Opportunity Funds | Mervyns II | KLAC Rex Venture LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Cost Method Investments | 2,701 |  |
Investment Income, Dividend | 1,956 |  |
Opportunity Funds | Mervyns II | KLAC Rex Venture LLC | Operating Partnership, as General Partner or Managing Member |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Cost Method Investments | 535 |  |
Investment Income, Dividend | 392 |  |
Opportunity Funds | Fund II | KA-Shopko LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Cost Method Investments | 1,108 |  |
Investment Income, Dividend | 1,659 |  |
Opportunity Funds | Fund II | KA-Shopko LLC | Operating Partnership, as General Partner or Managing Member |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Cost Method Investments | 222 |  |
Investment Income, Dividend | 332 |  |
Opportunity Funds | Fund II | Marsh and Add-On Investments |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Cost Method Investments | 2,667 |  |
Investment Income, Dividend | 2,639 |  |
Opportunity Funds | Fund II | Marsh and Add-On Investments | Operating Partnership, as General Partner or Managing Member |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Cost Method Investments | 533 |  |
Investment Income, Dividend | 528 |  |
Opportunity Funds | KLA/Mervyns LLC | Mervyns I and Mervyns II |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method Investments | 26,058 |  |
Equity Method Investment, Dividends or Distributions | 45,966 |  |
Opportunity Funds | KLA/Mervyns LLC | Mervyns I and Mervyns II | Operating Partnership, as General Partner or Managing Member |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method Investments | 4,901 |  |
Equity Method Investment, Dividends or Distributions | 11,251 |  |
Opportunity Funds | KLA A Markets LLC | Mervyns II |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method Investments | 20,717 |  |
Equity Method Investment, Dividends or Distributions | 81,594 |  |
Opportunity Funds | KLA A Markets LLC | Mervyns II | Operating Partnership, as General Partner or Managing Member |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method Investments | 4,239 |  |
Equity Method Investment, Dividends or Distributions | $ 16,318 |  |

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