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Fair Value of Bitcoin - Additional Information (Details)	12 Months Ended
	Dec. 31, 2025 USD ($) Bitcoin $ / shares	Dec. 31, 2024 USD ($) Bitcoin $ / shares	Jan. 10, 2024 Bitcoin
Fair Value, Option, Quantitative Disclosures [Line Items]
Trust held net closing balance of bitcoin | Bitcoin	38,468.0468	40,289.1335	0
CME CF Bitcoin
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair value of bitcoins acquired | $	$ 3,358,857,898,000	$ 3,776,314,581
Bitcoin index price per share | $ / shares	$ 87,315.53	$ 93,730.35
Lukka Prime Rate
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair value of bitcoins acquired | $	$ 3,367,646,692,000	$ 3,762,723,445
Bitcoin index price per share | $ / shares	$ 87,544	$ 93,393.01

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