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Condensed Statements of Cash Flows (Unaudited) (Parenthetical) - USD ($)
Jun. 30, 2021
Jun. 30, 2020
Components of Cash and Cash Equivalents:    
Cash and cash equivalents $ 238,613,805 $ 346,275,914
Equity in Trading Accounts:    
Cash and cash equivalents 74,940,810 68,025,972
Total Cash, Cash Equivalents and Equity in Trading Accounts $ 313,554,615 $ 414,301,886