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Notes Receivable (Tables)
9 Months Ended
Sep. 30, 2011
Notes Receivable [Abstract] 
Notes Receivable
The following table summarizes our notes receivable as of September 30, 2011 and December 31, 2010 (in thousands):
                 
    September 30,     December 31,  
    2011     2010  
Par value notes
  $ 19,657     $ 17,899  
Discounted notes
    94,973       98,827  
Allowance for loan losses
           
 
           
Total notes receivable
  $ 114,630     $ 116,726  
 
           
 
               
Face value of discounted notes
  $ 103,291     $ 108,621