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Investments in Affiliates - Additional Information (Detail) - USD ($)	6 Months Ended
	Jun. 30, 2025	Dec. 31, 2024
Investments In And Advances To Affiliates [Line Items]
Treasury obligation measurement maximum maturity period	12 months
United States Treasury Obligations, Value		$ 393,253,144
Affiliated Investments [Member]
Investments In And Advances To Affiliates [Line Items]
Investment, Type [Extensible Enumeration]	US Treasury and Government [Member]
Treasury obligation measurement minimum maturity period	1 month
Treasury obligation measurement maximum maturity period	12 months
Minimum [Member] | Affiliated Investments [Member]
Investments In And Advances To Affiliates [Line Items]
Investment, Type [Extensible Enumeration]	US Treasury and Government [Member]
United States Treasury Obligations, Value	$ 300,000,000

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- Definition

Treasury obligation measurement maximum maturity period.

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Treasury obligation measurement minimum maturity period.

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- Definition

The fair value as of the balance sheet date of firm holdings in debt obligations issued by the US government including short-term Treasury bills, medium-term Treasury notes, and long-term Treasury bonds, as well as debt issued by agencies. Includes both pledged (to counterparties as collateral for financing transactions) and unpledged holdings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 940
-SubTopic 320
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479035/940-320-45-2

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Indicates type of investment. Includes, but is not limited to, common stock, preferred stock, convertible security, fixed income security, government security, option purchased, warrant, loan participation and assignment, commercial paper, bankers' acceptance, certificates of deposit, short-term security, repurchase agreement, and other investment company.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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-Section S99
-Paragraph 2
-Subparagraph (SX 210.12-12A(Column A)(Footnote 2))
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

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.

+ References

No definition available.

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