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Notes Receivable (Details) (USD $)
3 Months Ended
Mar. 31, 2012
Dec. 31, 2011
Accounts Notes And Loans Receivable [Line Items]    
Notes receivable $ 4,123,000 $ 4,563,000
Various Builders [Member]
   
Accounts Notes And Loans Receivable [Line Items]    
Notes receivable 295,000 712,000
Effective rate 5.00% 5.00%
Notes receivable maturity period October 2012 thru January 2013  
Pier Park Community Development District [Member]
   
Accounts Notes And Loans Receivable [Line Items]    
Notes receivable 2,770,000 2,768,000
Unamortized discount 100,000  
Effective rate, minimum 5.73%  
Effective rate, maximum 8.00%  
Notes receivable maturity period December 2024  
Various Mortgages [Member]
   
Accounts Notes And Loans Receivable [Line Items]    
Notes receivable $ 1,058,000 $ 1,083,000