Commitments and Contingencies - Additional Information (Details) - USD ($)	12 Months Ended
	Aug. 31, 2022	Aug. 31, 2021
Commitments and Contingencies
Lease Expiration Date	Sep. 30, 2029
Rent expense	$ 3,552,000	$ 3,285,000
Maximum [Member]
Commitments and Contingencies
Monthly Operating Lease Rental Payment	67,000
Minimum [Member]
Commitments and Contingencies
Monthly Operating Lease Rental Payment	$ 1,000