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Share-Based Compensation - Schedule of BitAccess Plan Stock Option Activity (Detail) - Bit Access Plan [Member] - $ / shares
 9 Months Ended 12 Months Ended
Sep. 30, 2023
Dec. 31, 2022
Dec. 31, 2021
Employee Stock Option [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Options - Beginning balance 106,938 308,253  
Options - Granted 39,600 84,380  
Options - Exercised (68,058) (240,195)  
Options - Forfeited (33,600) (45,500)  
Options - End balance 44,880 106,938 308,253
Options - Vested 11,038 1,719  
Weighted-average exercise price - Beginning balance $ 0.59 $ 0  
Weighted-average exercise price - Granted 2.86 2.86  
Weighted-average exercise price - Exercised 0 0  
Weighted-average exercise price - Forfeited (2.86) (2.86)  
Weighted-average exercise price - End balance 2.86 0.59 $ 0
Weighted-average exercise price - Vested $ 2.86 $ 2.86  
Weighted-average remaining contractual term - Outstanding 8 years 11 months 4 days 8 years 8 months 23 days 9 years 6 months 18 days
Weighted-average remaining contractual term - Granted 9 years 9 months 3 days 9 years 4 months 2 days  
Weighted-average grant-date fair value - Outstanding $ 3.09 $ 4.26  
Weighted-average grant-date fair value - Granted 3.05 3.1  
Weighted-average grant-date fair value - Exercised 4.44 4.44  
Weighted-average grant-date fair value - Forfeited (1.11) (3.1)  
Weighted-average grant-date fair value - Vested $ 3.1 3.02  
Restricted Stock Units (RSUs) [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Weighted-average grant-date fair value - Outstanding   $ 4.26 $ 4.44
Restricted stock units - Beginning balance 81,142 237,600  
Restricted stock units - Forfeited (25,641)    
Restricted stock units - Exercised (55,501) (156,458)  
Restricted stock units - End balance   81,142 237,600