v3.26.1
Share-Based Compensation - Schedule of BitAccess Plan Stock Option Activity (Detail) - EmployeeStockOptionMember - $ / shares
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Weighted-average remaining contractual term - Outstanding 6 years 7 months 6 days 7 years 7 months 6 days
Bit Access Plan [Member]    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Options - Beginning balance 6,254 6,254
Options - Granted 0 0
Options - Exercised 0 0
Options - End balance 6,254 6,254
Options - Vested and exercisable 4,663 3,242
Weighted-average exercise price - Beginning balance $ 20.02 $ 20.02
Weighted-average exercise price - Granted 0 0
Weighted-average exercise price - Exercised 0 0
Weighted-average exercise price - End balance 20.02 20.02
Weighted-average exercise price - Vested and exercisable $ 20.02 $ 20.02
Weighted-average remaining contractual term - Outstanding 7 years 7 months 6 days 8 years 7 months 6 days
Weighted-average remaining contractual term - Vested and exercisable 6 years 6 months 14 days  
Weighted-average grant-date fair value - Outstanding $ 21.63 $ 21.63
Weighted-average grant-date fair value - Granted 0 0
Weighted-average grant-date fair value - Exercised 0 0
Weighted-average grant-date fair value - Vested and exercisable $ 21.35 $ 21.7