Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Revenue from External Customers by Geographical Areas (Details)

v3.21.4
Summary of Significant Accounting Policies - Revenue from External Customers by Geographical Areas (Details) - Revenue from Contract with Customer Benchmark - Geographic Concentration Risk
3 Months Ended
Nov. 30, 2021
Nov. 30, 2020
California    
Concentration Risk [Line Items]    
Concentration risk, percentage 53.70% 78.20%
Washington    
Concentration Risk [Line Items]    
Concentration risk, percentage 13.30% 11.60%