Statements of Financial Condition (Parenthetical) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Investments in Securities, cost	$ 429,717,441	$ 135,688,386
US Treasury Bill Securities [Member]
Investments in Securities, cost	112,003,993	65,978,758
Affiliated Investments [Member]
Affiliated Investments, at Cost	$ 317,713,448	$ 69,709,628