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Condensed Statements of Cash Flows (Parenthetical) - USD ($)
Sep. 30, 2021
Sep. 30, 2020
Components of Cash and Cash Equivalents:    
Cash and cash equivalents $ 290,109,363 $ 281,249,136
Equity in Trading Accounts:    
Cash and cash equivalents 94,114,168 61,501,809
Total Cash, Cash Equivalents and Equity in Trading Accounts $ 384,223,531 $ 342,750,945