Unrecognized Tax Benefits - Narrative (Details) - USD ($) $ in Thousands	6 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Apr. 30, 2023
Income Tax Disclosure [Abstract]
Unrecognized tax benefits	$ 12,871		$ 10,957
Unrecognized tax benefits that would impact effective tax rate	10,168
Accrued interest and penalties related to unrecognized tax benefits	515		$ 386
Net interest and penalties included in income tax expense	129	$ 112
Expected decrease in unrecognized tax benefits	$ 2,500