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Stock-Based Compensation - Summary of Activity for Unvested RSUs and PSUs (Details) - 2020 Incentive Compensation Plan - Service-based RSUs and PSUs
12 Months Ended
Apr. 30, 2021
$ / shares
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Shares granted as a result of conversion and employee transition, Total # of restricted stock units | shares 237,587
Awarded, Total # of restricted stock units | shares 244,364
Vested, Total # of restricted stock units | shares (51,438)
Forfeited, Total # of restricted stock units | shares (2,994)
RSUs and PSUs outstanding, end of period, Total # of restricted stock units | shares 427,519
Weighted average grant date fair value, shares granted as a result of conversion and employee transition | $ / shares $ 9.23
Grant date fair market value | $ / shares 14.10
Weighted average grant date fair value, Vested | $ / shares 11.89
Weighted average grant date fair value, Forfeited | $ / shares 11.82
Weighted average grant date fair value, end of period | $ / shares $ 11.67