Stock-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	May 01, 2025	Jul. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	$ 64,775	$ 54,683
Risk-free interest rate	3.90%	4.60%
Expected dividend yield	0.00%	0.00%
Expected volatility	68.50%	65.50%
Accrued bonus	$ 25,300
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	$ 48,000
Unrecognized compensation cost, weighted-average recognition period	2 years
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	5 years
Unrecognized compensation cost, weighted-average recognition period	3 years 10 months 24 days
Unrecognized stock-based compensation expense	$ 651,600
Granted, non-option (in shares)	8,255,000
RSUs | Share-Based Payment Arrangement, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentages	20.00%
Vesting period	1 year
RSUs | Share-Based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentages	5.00%
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum shares authorized (in shares)				1,700,000
Total stock-based compensation expense	$ 700
Stock price (in dollars per share)	$ 12.90
Risk-free interest rate	3.70%
Expected dividend yield	0.00%
Expected volatility	51.40%
2020 Incentive Plan | Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period (in years)	10 years
2020 Incentive Plan | Stock options | Share-Based Payment Arrangement, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentages	20.00%
Vesting period	1 year
2020 Incentive Plan | Stock options | Share-Based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentages	2.00%
Vesting period	4 years
2020 Employee Stock Purchase Plan | ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	$ 2,000	$ 700
Unrecognized stock-based compensation expense	7,600
Annual Bonus Program And Retention Bonus Program | RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	$ 10,200
Common Class A and Common Class B | 2020 Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Automatic increase to shares reserved for future issuance, percent of total shares			7.00%
Class A Common Stock | Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, non-option (in shares)	909,764	707,801