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Condensed Statement of Changes in Partners' Capital - USD ($)
Total
General Partner [Member]
Limited Partners [Member]
Net income (loss) $ (1,910,579)    
Net asset value, beginning of period at Dec. 31, 2016 $ 11.75    
Net asset value, end of period at Mar. 31, 2017 $ 10.65    
Balances at Dec. 31, 2017 $ 8,334,440 $ 0 $ 8,334,440
Redemption of 150,000 partnership shares (1,417,926) 0 (1,417,926)
Net income (loss) 50,826 0 50,826
Balances at Mar. 31, 2018 $ 6,967,340 $ 0 $ 6,967,340
Net asset value, beginning of period at Dec. 31, 2017 $ 9.26    
Net asset value, end of period at Mar. 31, 2018 $ 9.29