Statements of Financial Condition (Unaudited) (Parenthetical) - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Investments in Securities, Cost	$ 939,895,884	$ 718,493,794
Affiliated Investments, at Cost	780,076,997	626,489,060
Affiliated Investments [Member]
Affiliated Investments, at Cost	780,076,997	626,489,060
US Treasury Bill Securities [Member]
Investments in Securities, Cost	$ 159,818,887	$ 92,004,734