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Dispositions and Assets Held for Sale (Tables)
6 Months Ended
Jun. 30, 2011
Dispositions and Assets Held for Sale  
Summary of Income from Discontinued Operations
                 
      Three Months
Ended  June 30,
     Six Months
Ended  June 30,
 

(in thousands)

   2010      2010  

Property revenues

   $ 2,826       $ 5,580   

Property expenses

     1,082         2,293   
                   
       1,744         3,287   

Depreciation and amortization

     780         1,625   
                   

Income from discontinued operations

   $ 964       $ 1,662