Additional Valuation Information - Summary of the Tiered Valuation Input Levels (Detail) - USD ($)	Sep. 30, 2025	Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
United States Treasury Obligations		$ 147,708,743
Money Market Mutual Fund	$ 144,958,775	279,113,690
Total Investments in Securities		426,822,433
Currency Futures Contracts	261,850	7,304,316
Total Investments	145,220,625	434,126,749
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money Market Mutual Fund	144,958,775	279,113,690
Total Investments in Securities		279,113,690
Currency Futures Contracts	261,850	7,304,316
Total Investments	$ 145,220,625	286,418,006
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
United States Treasury Obligations		147,708,743
Total Investments in Securities		147,708,743
Total Investments		$ 147,708,743