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Condensed Statement of Changes in Partners' Capital - USD ($)
Limited Partner [Member]
Total
Beginning Balances at Dec. 31, 2017 $ 94,548,873  
Addition of 46,200,000, 950,000 and 2,050,000 partnership shares, respectively 41,996,934  
Redemption of (23,150,000), (1,750,000) and (2,400,000) partnership shares, respectively (47,730,785)  
Net income (loss) (15,190,394) $ (15,190,394)
Ending Balances at Dec. 31, 2018 73,624,628  
Addition of 46,200,000, 950,000 and 2,050,000 partnership shares, respectively 17,034,820  
Redemption of (23,150,000), (1,750,000) and (2,400,000) partnership shares, respectively (32,720,529)  
Net income (loss) 26,763,267 26,763,267
Ending Balances at Dec. 31, 2019 84,702,186 84,702,186
Addition of 46,200,000, 950,000 and 2,050,000 partnership shares, respectively 387,344,797  
Redemption of (23,150,000), (1,750,000) and (2,400,000) partnership shares, respectively (241,298,147)  
Net income (loss) 119,083,909 119,083,909
Ending Balances at Dec. 31, 2020 $ 349,832,745 $ 349,832,745