Derivative Instruments - Summary of Average Monthly Notional Value of Future Contracts Held (Detail) - USD ($) |
3 Months Ended | |
|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Weighted Average [Member] | Commodity Futures Contract [Member] | ||
| Derivative [Line Items] | ||
| Average Notional Value | $ 198,572,335 | $ 250,061,433 |