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Service Providers and Related Party Agreements - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Related Party Transaction [Line Items]
Management fee percentage per annum of daily NAV			0.85%
Managing owner waived fees	$ 191,994	$ 228,551	$ 389,267	$ 444,047
Managing Owner
Related Party Transaction [Line Items]
Fee waiver termination notice period			60 days’

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- Definition

Management fee per annum of daily net assets.

+ References

No definition available.

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- Definition

Amount of fee contractually waived by investment company.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480990/946-20-50-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(a))
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Description of term of contractual and voluntary fee waiver agreement.

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-Section 50
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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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
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-Publisher FASB
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