v3.25.1
Derivative Instruments - Fair Value of Derivative Instruments (Detail) - Commodity Futures Contract [Member] - Not Designated as Hedging Instrument [Member] - USD ($)
Mar. 31, 2025
Dec. 31, 2024
Derivatives, Fair Value [Line Items]    
Assets $ 512,064 $ 2,345,072
Liabilities $ (2,798,008) $ (5,864,184)