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Property:
3 Months Ended
Mar. 31, 2013
Property:  
Property:

5. Property:

        Property consists of the following:

 
  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  
           

        Depreciation expense was $71,098 and $57,322 for the three months ended March 31, 2013 and 2012, respectively.

        The gain on remeasurement, sale or write down of assets, net includes the write off of development costs of $591 and $1,034 during the three months ended March 31, 2013 and 2012, respectively. In addition, the gain on remeasurement, sale or write down of assets, net includes the gain of $5,419 on the sale of assets during the three months ended March 31, 2013.