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Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Income from discontinued operations | $ 0 | $ 6,938 | $ 0 | $ 20,002
Fees to Vornado | 1,084 | 1,146 | 3,068 | 3,231
Kings Plaza Regional Shopping Center [Member] |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Total revenues | 0 | 17,518 | 0 | 50,601
Total expenses | 0 | 10,580 | 0 | 30,599
Income from discontinued operations | 0 | 6,938 | 0 | 20,002
Fees to Vornado |  | $ 433 |  | $ 1,310

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