v3.26.1
Financial Highlights - Summary of Per Share Performance (Details) - $ / shares
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Investment Company, Financial Highlights [Abstract]    
Principal Market NAV per-share, beginning of period $ 47.57 $ 50.85
Investment Income (Loss) from Operation:    
Net investment loss [1] (0.02) (0.03)
Net realized and change in unrealized appreciation (depreciation) on investment in bitcoin (10.72) (5.95)
Net change in net assets from operations (10.74) (5.98)
Principal Market NAV per-share, end of period $ 36.83 $ 44.87
Total return, at net asset value [2] (22.58%) (11.76%)
Ratios to average net assets:    
Net investment loss [3] (0.20%) (0.20%)
Expenses [3] 0.20% 0.20%
[1] Calculated using average Shares outstanding.
[2] Total return is calculated based on the change in Principal Market NAV during the reporting period. An individual shareholder’s total return and ratios may vary from the above total return and ratios based on the timing of share transactions from the Trust. Total return for the period is not annualized.
[3] Annualized.