Creations and Redemptions of Shares - Schedule of Activity in Value of Shares Issued and Redeemed (Details) - USD ($) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Equity [Abstract] | ||||
| Shares issued | $ 27,261,000 | $ 64,761,000 | $ 261,371,000 | $ 145,024,000 |
| Shares redeemed | (179,607,000) | (205,781,000) | (541,860,000) | (811,599,000) |
| Shares distributed in sponsor staking rewards | (6,760,000) | 0 | (21,150,000) | 0 |
| Net decrease in net assets resulting from capital share transactions | $ (159,106,000) | $ (141,020,000) | $ (301,639,000) | $ (666,575,000) |
| X | ||||||||||
- Definition Shares distributed in sponsor staking rewards. No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Equity impact of the value of stock bought back by the entity at the exercise price or redemption price. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The increase (decrease) in stockholders' equity during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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