Leases - Summary of Lease Related Costs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2022	May 31, 2021
Finance lease cost
Amortization of right-of-use assets	$ 145	$ 157	$ 424	$ 465
Interest on lease liabilities	11	20	35	69
Total finance lease cost	156	177	459	534
Operating lease cost
Operating lease cost	2,088	1,571	5,835	4,687
Variable lease cost	556	401	1,445	898
Total operating lease cost	$ 2,644	$ 1,972	$ 7,280	$ 5,585