v3.25.1
Additional Valuation Information - Summary of the Tiered Valuation Input Levels (Detail) - USD ($)
Mar. 31, 2025
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
United States Treasury Obligations   $ 19,853,708
Money Market Mutual Fund $ 45,395,218 26,514,962
Total Investments in Securities 45,395,218 46,368,670
Commodity Futures Contracts, Appreciation 4,135,706 [1] 1,510,293 [2]
Commodity Futures Contracts, Depreciation (874,888) [1] (987,212) [2]
Total Other Investments 3,260,818 523,081
Total Investments 48,656,036 46,891,751
Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money Market Mutual Fund 45,395,218 26,514,962
Total Investments in Securities 45,395,218 26,514,962
Commodity Futures Contracts, Appreciation 4,135,706 [1] 1,510,293 [2]
Commodity Futures Contracts, Depreciation (874,888) [1] (987,212) [2]
Total Other Investments 3,260,818 523,081
Total Investments $ 48,656,036 27,038,043
Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
United States Treasury Obligations   19,853,708
Total Investments in Securities   19,853,708
Total Investments   $ 19,853,708
[1] Unrealized appreciation (depreciation).
[2] Unrealized appreciation (depreciation).