Quarterly report pursuant to Section 13 or 15(d)

Prepaid Expenses and Other Assets (Details 2)

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Prepaid Expenses and Other Assets (Details 2) (USD $)
Sep. 30, 2011
Dec. 31, 2010
Mortgage and other investing receivables    
Mortgage and other investing receivables $ 35,830,000 $ 18,870,000
Fair value of mortgage and other investing receivables 36,000,000 18,800,000
Mortgage loans receivable
   
Mortgage and other investing receivables    
Mortgage and other investing receivables 21,065,000 14,227,000
Number of mortgage loans receivable 3  
Notes receivable from City of Huntsville
   
Mortgage and other investing receivables    
Mortgage and other investing receivables 14,765,000 4,643,000
Operating notes receivable
   
Operating Notes Receivable    
Operating notes receivables due from tenants with terms exceeding one year $ 628,000 $ 655,000