Trading Activities - Additional Information (Detail)	3 Months Ended	6 Months Ended
Jun. 30, 2026 USD ($) Contracts	Jun. 30, 2025 USD ($) Contracts	Jun. 30, 2026 USD ($) Contracts	Jun. 30, 2025 USD ($) Contracts
Metals [Member]
Trading Activity, Gains and Losses, Net [Line Items]
Monthly average number of derivative forward contracts traded	399	396	397	333
Monthly average number of derivative contracts purchased traded	1,389	1,745	1,447	1,742
Monthly average number of derivative contracts written traded	1,514	654	1,355	1,196
Forward Contracts [Member] \| Currencies [Member]
Trading Activity, Gains and Losses, Net [Line Items]
Monthly average value of derivative contracts \| $	$ 29,802,351	$ 39,336,908	$ 30,969,836	$ 46,386,219
Futures Contracts [Member]
Trading Activity, Gains and Losses, Net [Line Items]
Average number of derivative contracts traded	35,320	37,760	37,856	35,981

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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