Statements of Financial Condition (Parenthetical) - USD ($) |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Schedule of Investments [Abstract] | ||
| Investment in bitcoin, cost | $ 442,207,125 | $ 427,528,143 |
| Par value | $ 0 | $ 0 |
| Shares authorized | Unlimited | Unlimited |
| X | ||||||||||
- Definition Face amount per share of no-par value common stock. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Indicates whether number of common shares permitted to be issued is unlimited. Acceptable value is "Unlimited". Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Cost of the investment. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- References No definition available.
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