| Investments In Unconsolidated Joint Ventures (Plaza VIII And IX Associates, L.L.C.) (Narrative) (Details) (Plaza VIII & IX Associates, L.L.C. [Member]) | Sep. 30, 2013 | 
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| Plaza VIII & IX Associates, L.L.C. [Member] | |
| Schedule of Equity Method Investments [Line Items] | |
| Percentage of interest in venture | 50.00% | 
| X | ||||||||||
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Details 
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