v3.26.1
Additional Valuation Information - Summary of the Tiered Valuation Input Levels (Detail) - USD ($)
Jun. 30, 2026
Dec. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money Market Mutual Fund $ 314,231,596 $ 146,980,895
Total Investments in Securities   146,980,895
Commodity Futures Contracts, Unrealized Appreciation 3,388,789 18,147,658
Other Investments:    
Commodity Futures Contracts, Unrealized Appreciation (Depreciation) (10,837,518) (196,992)
Total Other Investments (7,448,729) 17,950,666
Total Investments 306,782,867 164,931,561
Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money Market Mutual Fund 314,231,596 146,980,895
Total Investments in Securities   146,980,895
Commodity Futures Contracts, Unrealized Appreciation 3,388,789 18,147,658
Other Investments:    
Commodity Futures Contracts, Unrealized Appreciation (Depreciation) (10,837,518) (196,992)
Total Other Investments (7,448,729) 17,950,666
Total Investments $ 306,782,867 $ 164,931,561