XML 43 R33.htm IDEA: XBRL DOCUMENT v3.24.0.1
Additional Valuation Information - Summary of the Tiered Valuation Input Levels (Detail) - USD ($)
Dec. 31, 2023
Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
United States Treasury Obligations $ 55,916,139 $ 146,181,951
Exchange-Traded Fund 20,043,829 19,993,532
Money Market Mutual Fund 33,302,006 143,604,164
Total Investments in Securities 109,261,974 309,779,647
Commodity Futures Contracts, Appreciation 2,605,074 426,498
Other Investments:    
Commodity Futures Contracts, Unrealized Appreciation (Depreciation) (683,289) (38,400,145)
Total Other Investments 1,921,785 (37,973,647)
Total Investments 111,183,759 271,806,000
Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Exchange-Traded Fund 20,043,829 19,993,532
Money Market Mutual Fund 33,302,006 143,604,164
Total Investments in Securities 53,345,835 163,597,696
Commodity Futures Contracts, Appreciation 2,605,074 426,498
Other Investments:    
Commodity Futures Contracts, Unrealized Appreciation (Depreciation) (683,289) (38,400,145)
Total Other Investments 1,921,785 (37,973,647)
Total Investments 55,267,620 125,624,049
Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
United States Treasury Obligations 55,916,139 146,181,951
Total Investments in Securities 55,916,139 146,181,951
Other Investments:    
Total Investments $ 55,916,139 $ 146,181,951