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Stockholders' Equity - Additional Information (Details) - $ / shares
3 Months Ended
Nov. 30, 2024
Nov. 30, 2023
Dec. 27, 2024
Subsequent event | Amazon com NV Investment Holdings LLC      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of securities called by warrants (in shares)     1,158,539
Exercise price (in usd per share)     $ 137.7671
Time-based restricted stock units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 3 years    
Restricted stock units awarded (in shares) 600,000 400,000  
Performance-based restricted stock units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 3 years    
Restricted stock units awarded (in shares) 100,000 100,000  
Performance-based restricted stock units | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting percentage 150.00%    
Market-based restricted stock units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 3 years    
Restricted stock units awarded (in shares) 100,000 100,000  
Market-based restricted stock units | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting percentage 200.00%    
2021 Equity Incentive Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares available to be issued (in shares) 7,098,261