Stockholders' Equity - Schedule of Common Stock Reserved for Issuance (Details) - shares	Dec. 31, 2024	Mar. 31, 2024
Class of Stock [Line Items]
Outstanding stock options (in shares)	3,030,595	3,536,989
Total shares of common stock reserved (in shares)	9,987,362	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)	3,400,840	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)	580,436	642,263
Restricted stock units
Class of Stock [Line Items]
Outstanding restricted stock units (in shares)	2,975,491	2,202,834