Creations and Redemptions of Shares - Schedule of Activity in Number of Shares Issued and Redeemed (Details) - shares	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Equity [Abstract]
Shares issued	1,690,000	3,040,000	12,330,000	7,010,000
Shares redeemed	(10,560,000)	(12,920,000)	(27,380,000)	(39,960,000)
Net Change in Number of Shares Issued and Redeemed	(8,870,000)	(9,880,000)	(15,050,000)	(32,950,000)

Number of new stock issued during the period.

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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Name:	us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration