Statements of Financial Condition (Unaudited) (Parenthetical) - USD ($)	Jun. 30, 2024	Dec. 31, 2023
Investments in Securities, cost	$ 700,745,345	$ 710,204,874
US Treasury Bill Securities [Member]
Investments in Securities, cost	293,444,959	342,604,310
Affiliated Investments [Member]
Affiliated Investments, at Cost	$ 407,300,386	$ 367,600,564