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Condensed Statement of Changes in Partners' Capital (USD $)
Total
USD ($)
General Partner
Limited Partners
USD ($)
Beginning Balances at Dec. 31, 2011 $ 169,489,880   $ 169,489,880
Net Asset Value Per Unit, Beginning at Dec. 31, 2011 $ 43.46 43.46  
Addition of 1,200,000 partnership units 47,908,837   47,908,837
Redemption of 2,200,000 partnership units (90,618,264)   (90,618,264)
Net loss (16,873,971)   (16,873,971)
Ending Balances at Jun. 30, 2012 $ 109,906,482   $ 109,906,482
Net Asset Value Per Unit, Ending at Jun. 30, 2012 $ 37.90 37.90