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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 $ 1,565,100,289 $ 2,585,466,700 $ 1,026,973,397
Equity in Trading Accounts:      
Cash and cash equivalents 699,318,107 723,771,439 149,272,014
Total Cash, Cash Equivalents and Equity in Trading Accounts $ 2,264,418,396 $ 3,309,238,139 $ 1,176,245,411