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, at value $ 39,990,580 $ 53,470,939
Exchange-Traded Fund 53,981,153 54,014,400
Money Market Mutual Fund 87,433,379 100,993,456
Total Investments in Securities 181,405,112 208,478,795
Commodity Futures Contracts, Appreciation (Depreciation) 11,041,333 10,025,351
Total Investments 192,446,445 218,504,146
Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Exchange-Traded Fund 53,981,153 54,014,400
Money Market Mutual Fund 87,433,379 100,993,456
Total Investments in Securities 141,414,532 155,007,856
Commodity Futures Contracts, Appreciation (Depreciation) 11,041,333 10,025,351
Total Investments 152,455,865 165,033,207
Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
United States Treasury Obligations, at value 39,990,580 53,470,939
Total Investments in Securities 39,990,580 53,470,939
Total Investments $ 39,990,580 $ 53,470,939