Trading Activities - Additional Information (Detail) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Derivative Instruments and Hedging Activities Disclosure [Abstract] | ||
| Average number of futures contracts traded | 7,407 | 7,918 |
| Average number of metals forward contracts traded | 1,060 | 969 |
| Average notional value of currency forward contracts | $ 758,567,969 | $ 890,546,651 |