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Investment In Cedar/RioCan Joint Venture (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Schedule of Equity Method Investments [Line Items]        
Number of properties 67   67  
Cedar/Rio Can Joint Venture [Member]
       
Schedule of Equity Method Investments [Line Items]        
Management fee revenue $ 0.6 $ 0.7 $ 1.3 $ 1.2
Number of properties 22   22  
Rio Can [Member]
       
Schedule of Equity Method Investments [Line Items]        
Percentage of joint venture ownership 80.00%   80.00%  
Cedar Realty Trust Inc. [Member]
       
Schedule of Equity Method Investments [Line Items]        
Percentage of joint venture ownership 20.00%   20.00%