Stockholders' Equity - Schedule of Common Stock Reserved for Issuance (Details) - shares	Sep. 30, 2024	Mar. 31, 2024
Class of Stock [Line Items]
Outstanding stock options (in shares)	3,134,850	3,536,989
Total shares of common stock reserved (in shares)	10,615,522	11,945,930
2021 Incentive Equity Plan
Class of Stock [Line Items]
Remaining shares available for future issuance under Amended and Restated 2021 Incentive Equity Plan (in shares)	3,498,219	5,563,844
Employee Stock Purchase Plan
Class of Stock [Line Items]
Remaining shares available for future issuance under Employee Stock Purchase Plan (in shares)	580,456	642,263
Restricted Stock Units
Class of Stock [Line Items]
Outstanding restricted stock units (in shares)	3,401,997	2,202,834