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Condensed Statement of Changes in Partners' Capital - USD ($)
Total
General Partner [Member]
Limited Partners [Member]
Net income (loss) $ (2,481,978)    
Net asset value, beginning of period at Dec. 31, 2016 $ 11.75    
Net asset value, end of period at Sep. 30, 2017 $ 10.01    
Balances at Dec. 31, 2017 $ 8,334,440 $ 0 $ 8,334,440
Redemption of 350,000 partnership shares (3,283,255) 0 (3,283,255)
Net income (loss) 146,336 0 146,336
Balances at Sep. 30, 2018 $ 5,197,521 $ 0 $ 5,197,521
Net asset value, beginning of period at Dec. 31, 2017 $ 9.26    
Net asset value, end of period at Sep. 30, 2018 $ 9.45