Leases - Summary of Supplemental Balance Sheet Information Related to Leases (Detail) - USD ($) $ in Thousands	Oct. 31, 2023	Apr. 30, 2023
Finance Leases:
Property and equipment, at cost	$ 7,253	$ 7,103
Accumulated depreciation	(3,149)	(2,741)
Property and equipment, net	4,104	4,362
Other accrued liabilities	1,373	1,372
Other liabilities	2,810	3,053
Total finance lease liabilities	$ 4,183	$ 4,425
Weighted average remaining lease terms:
Operating leases	4 years 2 months 12 days	4 years 6 months
Finance leases	3 years 6 months	3 years 9 months 18 days
Weighted average discount rate:
Operating leases	4.90%	4.50%
Finance leases	5.10%	4.70%