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Property and Equipment, Net - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
May 31, 2022
May 31, 2021
May 31, 2022
May 31, 2021
Property Plant And Equipment [Line Items]        
Depreciation of property and equipment $ 600 $ 800 $ 1,987 $ 2,377
Internal-Use Software        
Property Plant And Equipment [Line Items]        
Property and equipment, useful life     3 years  
Amortization expense $ 600 $ 500 $ 1,700 $ 1,500