v3.25.1
Fair Value of Bitcoin - Summary of Changes in Quantity of Bitcoin and the Respective Fair Value (Details)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2025
USD ($)
Number
Mar. 31, 2024
USD ($)
Number
Dec. 31, 2024
USD ($)
Number
Fair Value Disclosures [Abstract]      
Investment Owned ,Beginning balance | Number 205,398.85921873 619,525.9291702 619,525.9291702
Bitcoin contributed | Number 1,965.72939387   11,073.6610072
Bitcoin redeemed | Number (13,185.34046936)   (393,594.7721263)
Bitcoin distributed for Initial Distribution (Return of Capital) | Number     (26,935.83753443)
Bitcoin distributed for Sponsor's Fee, related party | Number (737.01795515)   (4,670.12129794)
Net change in unrealized appreciation on investment in Bitcoin | Number 0   0
Net realized gain on investment in Bitcoin sold to pay expenses | Number 0   0
Net realized gain on investment in Bitcoin sold for redemption of Shares | Number 0   0
Net realized gain on investment in Bitcoin sold for Return of Capital | Number     0
Investment Owned ,Ending balance | Number 193,442.23018809   205,398.85921873
Investment Owned ,Beginning balance $ 19,182,244 $ 26,350,470 $ 26,350,470
Bitcoin contributed 192,570   790,709
Bitcoin redeemed (1,227,181)   (22,292,651)
Bitcoin distributed for Initial Distribution (Return of Capital)     (1,756,821)
Bitcoin distributed for Sponsor's Fee, related party (68,939)   (290,476)
Net change in unrealized appreciation on investment in Bitcoin (3,218,384) 475,553 (3,092,838)
Net realized gain on investment in Bitcoin 1,087,812 11,769,351  
Net realized gain on investment in Bitcoin sold to pay expenses 57,881 73,632 232,398
Net realized gain on investment in Bitcoin sold for redemption of Shares 1,029,931 $ 11,695,719 17,830,575
Net realized gain on investment in Bitcoin sold for Return of Capital     1,410,878
Investment Owned ,Ending balance $ 15,948,122   $ 19,182,244