v3.26.1
Fair Value of Bitcoin - Summary of Changes in Quantity of Bitcoin and the Respective Fair Value (Details)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
USD ($)
Number
Mar. 31, 2025
USD ($)
Number
Fair Value Disclosures [Abstract]    
Investment Owned ,Beginning balance | Number 165,591.49612215 205,398.85921873
Bitcoin contributed | Number 2,878.48165699 1,965.72939387
Bitcoin redeemed | Number (13,179.89148033) (13,185.34046936)
Bitcoin distributed for Sponsor's Fee, related party | Number (586.23873893) (737.01795515)
Net change in unrealized appreciation/depreciation 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
Investment Owned ,Ending balance | Number 154,703.84755988 193,442.23018809
Investment Owned ,Beginning balance | $ $ 14,497,437 $ 19,182,244
Bitcoin contributed | $ 224,028 192,570
Bitcoin redeemed | $ (1,048,617) (1,227,181)
Bitcoin distributed for Sponsor's Fee, related party | $ (44,984) (68,939)
Net change in unrealized appreciation/depreciation on investment in Bitcoin | $ (3,988,628) (3,218,384)
Net realized gain on investment in Bitcoin sold to pay expenses | $ 34,495 57,881
Net realized gain on investment in Bitcoin sold for redemption of Shares | $ 816,008 1,029,931
Investment Owned ,Ending balance | $ $ 10,489,739 $ 15,948,122