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Condensed Statement in Changes in Partners' Capital - USD ($)
Limited Partners
Total
Beginning Balances at Dec. 31, 2018 $ 50,798,630  
Addition of partnership shares 1,184,150  
Redemption of partnership shares (9,106,069)  
Net income (loss) 11,629,687 $ 11,629,687
Ending Balances at Jun. 30, 2019 54,506,398  
Beginning Balances at Mar. 31, 2019 61,930,985  
Addition of partnership shares 1,184,150  
Redemption of partnership shares (6,868,585)  
Net income (loss) (1,740,152) (1,740,152)
Ending Balances at Jun. 30, 2019 54,506,398  
Beginning Balances at Dec. 31, 2019 55,077,039 55,077,039
Addition of partnership shares 302,421,810  
Redemption of partnership shares (155,775,600)  
Net income (loss) 73,156,733 73,156,733
Ending Balances at Jun. 30, 2020 274,879,982 274,879,982
Beginning Balances at Mar. 31, 2020 53,500,734  
Addition of partnership shares 275,481,828  
Redemption of partnership shares (152,379,271)  
Net income (loss) 98,276,691 98,276,691
Ending Balances at Jun. 30, 2020 $ 274,879,982 $ 274,879,982