Quarterly report pursuant to Section 13 or 15(d)

Real Estate - Redevelopment (Details)

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Real Estate - Redevelopment (Details) (USD $)
9 Months Ended
Sep. 30, 2014
Dec. 31, 2013
Real Estate Properties [Line Items]    
Development in Process $ 99,500,000 $ 61,315,000
7900 Westpark Drive [Member]
   
Real Estate Properties [Line Items]    
Estimated development costs 35,000,000  
Development in Process $ 18,400,000 $ 3,600,000