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Condensed Statements of Cash Flows (Unaudited) (Parenthetical) - USD ($)
Jun. 30, 2020
Jun. 30, 2019
Components of Cash and Cash Equivalents:    
Cash and cash equivalents $ 346,275,914 $ 79,878,780
Equity in Trading Accounts:    
Cash and cash equivalents 68,025,972 8,976,787
Total Cash, Cash Equivalents and Equity in Trading Accounts $ 414,301,886 $ 88,855,567