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Condensed Statement in Changes in Partners' Capital (Parenthetical) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Addition of partnership share 150,000 0 350,000 0
Redemption of partnership shares 0 0 0 100,000
Partners Capital $ 6,426,013   $ 6,426,013  
General Partner [Member]        
Partners' shares outstanding 0 0 0 0
Partners Capital $ 0 $ 0 $ 0 $ 0