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Marketable Securities and Derivative Instruments (Tables)
9 Months Ended
Sep. 30, 2012
Marketable Securities and Derivative Instruments Tables [Abstract]  
Schedule of Marketable Securities and Derivative Instruments
   As of September 30, 2012 As of December 31, 2011
        GAAP Unrealized      GAAP Unrealized
   Maturity Fair Value Cost (Loss) Gain Maturity Fair Value Cost Gain
Equity securities:                      
 J.C. Penney n/a $ 451,406 $ 591,214 $ (139,808) n/a $ 653,228 $ 591,069 $ 62,159
 Other n/a   33,595   14,228   19,367 n/a   30,568   14,585   15,983
Debt securities n/a   -   -   - 04/13 - 10/18   57,525   53,941   3,584
     $ 485,001 $ 605,442 $ (120,441)   $ 741,321 $ 659,595 $ 81,726