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Investments In Unconsolidated Real Estate Funds (Summary Of Statement Of Operations For Investments In Unconsolidated Real Estate Funds) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Real Estate Investments [Abstract]    
Total revenues $ 15,382 $ 15,116
Operating income 2,850 2,441
Net income (loss) $ 342 $ (3,482)