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v3.25.2

Organization - Additional Information (Detail) | 6 Months Ended |  |  |
--- | --- | --- | --- | ---
Jun. 30, 2025 CreationUnit shares | Dec. 31, 2024 shares | Dec. 31, 2023 shares | May 23, 2005 shares
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |  |
General shares, shares issued | 40 | 40 | 40 | 40
Treasury obligation measurement maximum maturity period | 12 months |  |  |
Minimum number of Creation Units that can be purchased | CreationUnit | 1 |  |  |
Number of shares issued per Creation Unit | 50,000 |  |  |

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- Definition Number of shares issued per creation unit. + References No definition available. + Details
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- Definition The number of general partner units outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-5 + Details
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