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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 | $ 0 | $ 14,856,763
Money Market Mutual Fund | 147,233,056 | 36,311,736
Total Investments in Securities |  | 51,168,499
Currency Futures Contracts | (257,858) | (929,793)
Total Investments | 146,975,198 | 50,238,706
Level 1 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Money Market Mutual Fund | 147,233,056 | 36,311,736
Total Investments in Securities |  | 36,311,736
Currency Futures Contracts | (257,858) | (929,793)
Total Investments | $ 146,975,198 | 35,381,943
Level 2 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
United States Treasury Obligations |  | 14,856,763
Total Investments in Securities |  | 14,856,763
Total Investments |  | $ 14,856,763

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