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 $ 71,506,010 $ 34,215,550
Total Investments in Securities 71,506,010 34,215,550
Commodity Futures Contracts, Appreciation 651,299 [1] (1,918,891) [2]
Commodity Futures Contracts, Depreciation [1] (12,127,498)  
Total Other Investments (11,476,199)  
Total Investments 60,029,811 32,296,659
Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money Market Mutual Fund 71,506,010 34,215,550
Total Investments in Securities 71,506,010 34,215,550
Commodity Futures Contracts, Appreciation 651,299 [1] (1,918,891) [2]
Commodity Futures Contracts, Depreciation [1] (12,127,498)  
Total Other Investments (11,476,199)  
Total Investments $ 60,029,811 $ 32,296,659
[1] Unrealized appreciation (depreciation).
[2] Unrealized appreciation (depreciation).