v3.26.1
Significant Accounting Policies - Schedule of Unobservable Inputs, Including the Trust’s Assumptions (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Assets    
Investment in bitcoin $ 1,889,314 $ 3,305,394
Level 1 [Member]    
Assets    
Investment in bitcoin 1,889,314 3,305,394
Level 2 [Member]    
Assets    
Investment in bitcoin
Level 3 [Member]    
Assets    
Investment in bitcoin