Equity-Based Compensation - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2023	Jul. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 3,304	$ 3,132
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Intrinsic value of options exercised	2,100	1,200
Unrecognized compensation cost, options	$ 4,200
Weighted-average period for recognition of unrecognized compensation expense (in years)	1 year 7 months 6 days
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average period for recognition of unrecognized compensation expense (in years)	1 year 7 months 6 days
Vested (in shares)	0
Fair value of awards vested		700
Unrecognized compensation cost, RSUs	$ 5,600
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 500	300
Percentage of common stock price based on closing price at the beginning or end of the last day of the purchase period	90.00%
Purchase period (in months)	6 months
Selling, general and administrative expenses
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 2,800	$ 2,800