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 $ 54,624,971 $ 54,072,308
Exchange-Traded Fund 21,518,587 21,531,840
Money Market Mutual Fund 97,413,047 78,702,911
Total Investments in Securities 173,556,605 154,307,059
Commodity Futures Contracts 19,811,845  
Commodity Futures Contracts   (5,858,893)
Total Investments 193,368,450 148,448,166
Level 1 [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Exchange-Traded Fund 21,518,587 21,531,840
Money Market Mutual Fund 97,413,047 78,702,911
Total Investments in Securities 118,931,634 100,234,751
Commodity Futures Contracts 19,811,845  
Commodity Futures Contracts   (5,858,893)
Total Investments 138,743,479 94,375,858
Level 2 [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
United States Treasury Obligations 54,624,971 54,072,308
Total Investments in Securities 54,624,971 54,072,308
Total Investments $ 54,624,971 $ 54,072,308