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Schedule of Investments (Details) - Condensed Consolidated Schedule of Investments (Futures and Options on Futures Contracts) (Parentheticals) (Long [Member], USD $)
9 Months Ended 12 Months Ended
Sep. 30, 2014
Dec. 31, 2013
Corporate Bond Securities [Member] | BB&T Corp Note [Member]
   
Investment Holdings, Other than Securities [Line Items]    
Cost $ 0 $ 762,121
Note 2.05% 2.05%
Corporate Bond Securities [Member] | Goldman Sachs Group Inc. Nt [Member]
   
Investment Holdings, Other than Securities [Line Items]    
Cost 0 739,576
Note 6.00% 6.00%
Fixed Income Securities [Member]
   
Investment Holdings, Other than Securities [Line Items]    
Cost $ 0 $ 1,501,697