Unrecognized Tax Benefits - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Apr. 30, 2023
Income Tax Disclosure [Abstract]
Unrecognized tax benefits	$ 11,980		$ 10,957
Unrecognized tax benefits that would impact effective tax rate	9,465
Accrued interest and penalties related to unrecognized tax benefits	445		$ 386
Net interest and penalties included in income tax expense	59	$ 53
Expected decrease in unrecognized tax benefits	$ 2,500