Fair Value Measurements - Additional Information (Details) |
3 Months Ended |
|---|---|
|
Nov. 30, 2021
USD ($)
Purchase
Maturity
| |
| Fair Value Disclosures [Abstract] | |
| Sales of securities | $ | $ 0 |
| Purchases of securities with cash and cash equivalents | Purchase | 2 |
| Maturities of securities | Maturity | 3 |