XML 70 R58.htm IDEA: XBRL DOCUMENT v3.21.2
Stock Based Compensation - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
May 31, 2021
May 31, 2020
May 31, 2021
May 31, 2020
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]        
Stock based compensation expense $ 3,500 $ 1,000 $ 12,468 $ 8,265