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Property: (Tables)
3 Months Ended
Mar. 31, 2013
Property:  
Components of property

 

 
  March 31,
2013
  December 31,
2012
 

Land

  $ 1,723,388   $ 1,572,621  

Buildings and improvements

    6,715,582     6,417,674  

Tenant improvements

    534,354     496,203  

Equipment and furnishings

    150,559     149,959  

Construction in progress

    408,860     376,249  
           

 

    9,532,743     9,012,706  

Less accumulated depreciation

    (1,600,180 )   (1,533,160 )
           

 

  $ 7,932,563   $ 7,479,546