Trading Activities - Additional Information (Detail) - Contract |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Futures [Member] | ||
| Derivative [Line Items] | ||
| Monthly average number of derivative contracts traded | 5,835 | 5,983 |
| Option [Member] | ||
| Derivative [Line Items] | ||
| Monthly average number of derivative contracts traded | 5,622 | 4,291 |
| Forwards [Member] | Metals [Member] | ||
| Derivative [Line Items] | ||
| Monthly average number of derivative contracts traded | 869 | 1,077 |