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Statements of Cash Flows (Parenthetical) - USD ($)
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Components of Cash and Cash Equivalents:      
Cash and cash equivalents $ 248,404,703 $ 342,942,967 $ 375,588,135
Equity in Trading Accounts:      
Cash and cash equivalents 127,265,650 97,539,600 83,410,316
Total Cash, Cash Equivalents and Equity in Trading Accounts $ 375,670,353 $ 440,482,567 $ 458,998,451