Fair Value of Bitcoin - Schedule of Changes in Quantity and the Fair Value of Bitcoin (Details) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)
Schedule of Changes in Quantity and the Fair Value of Bitcoin [Abstract]
Quantity of bitcoin, Beginning balance	35,246.5837	47,501.0671	37,769.3458	46,607.1028
Fair Value, Beginning balance	$ 2,388,764	$ 3,916,212	$ 3,305,394	$ 4,352,648
Quantity of bitcoin, Bitcoin purchased for contributions	12,534.4152	16,447.0743	19,166.5663	34,265.2508
Fair Value, Bitcoin purchased for contributions	$ 908,351	$ 1,596,465	$ 1,413,921	$ 3,289,625
Quantity of bitcoin, Bitcoin sold for redemptions	(15,584.3819)	(17,193.3147)	(24,721.0841)	(34,097.5269)
Fair Value, Bitcoin sold for redemptions	$ (1,133,046)	$ (1,675,052)	$ (1,838,427)	$ (3,217,535)
Quantity of bitcoin, Bitcoin sold to pay expenses	(18.389)	(32)	(36.6)	(52)
Fair Value, Bitcoin sold to pay expenses	$ (1,307)	$ (3,119)	$ (2,631)	$ (5,051)
Quantity of bitcoin, Net realized gain (loss) on investment in bitcoin sold to pay Sponsor Fee
Fair Value, Net realized gain (loss) on investment in bitcoin sold to pay Sponsor Fee	$ (287)	$ 593	$ (547)	$ 1,129
Quantity of bitcoin, Net realized gain (loss) on investment in bitcoin sold for redemptions
Fair Value, Net realized gain (loss) on investment in bitcoin sold for redemptions	$ (185,186)	$ 339,579	$ (314,085)	$ 661,158
Quantity of bitcoin, Change in unrealized appreciation (depreciation) on investment in bitcoin
Fair Value, Change in unrealized appreciation (depreciation) on investment in bitcoin	$ (87,975)	$ 859,932	$ (674,311)	$ (47,364)
Quantity of bitcoin, Ending balance	32,178.228	46,722.8267	32,178.228	46,722.8267
Fair Value, Ending balance	$ 1,889,314	$ 5,034,610	$ 1,889,314	$ 5,034,610

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