Leases - Weighted Average Remaining Lease Term (Details) - USD ($) $ in Thousands	9 Months Ended
	May 31, 2022	May 31, 2021	Aug. 31, 2021
Operating lease
Operating leases, Weighted average remaining lease term (years)	6 years 8 months 12 days		6 years 9 months 18 days
Operating leases, Weighted average discount rate (percentage)	2.80%		3.10%
Operating cash outflows from operating leases	$ 1,311	$ 1,797
Total cash paid for amounts included in the measurement of lease liabilities	$ 1,311	$ 1,797