Quarterly report pursuant to Section 13 or 15(d)

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

v3.22.1
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 6 Months Ended
Feb. 28, 2022
Feb. 28, 2021
Feb. 28, 2022
Feb. 28, 2021
California        
Concentration Risk [Line Items]        
Concentration risk, percentage 53.00% 67.00% 54.00% 68.00%
Washington        
Concentration Risk [Line Items]        
Concentration risk, percentage 13.00% 10.00% 13.00% 10.00%