XML 40 R3.htm IDEA: XBRL DOCUMENT v3.20.1
Condensed Statements of Financial Condition (Parenthetical) - USD ($)
Mar. 31, 2020
Dec. 31, 2019
Mar. 31, 2019
Condensed Statements of Financial Condition      
Cash and Cash Equivalents $ 1,305,680,808 $ 1,026,973,397 $ 1,363,074,393
Equity in trading accounts:      
Cash and Cash Equivalents $ 1,679,319,722 $ 149,272,014 $ 169,466,759