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Fair Value (Tables)
6 Months Ended
Jun. 30, 2013
Fair Value Disclosures [Abstract]  
Schedule of the principal amount, carrying value and fair value of certain financial assets

 

                   
    Principal
Amount
    Carrying
Value
    Fair
Value
 
Financial assets: (1)                  
Real estate debt investments, net $ 2,500,000   $ 2,500,000   $ 2,500,000  

 

 

(1) The fair value of other financial instruments not included in this table is estimated to approximate their carrying amounts.