Stock-Based Compensation Plan - Additional Information (Details) $ / shares in Units, $ in Millions		3 Months Ended	9 Months Ended
	Jul. 31, 2021 shares	Sep. 30, 2023 USD ($) $ / shares	Sep. 30, 2024 USD ($) plan $ / shares shares	Sep. 30, 2023 USD ($) $ / shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of stock-based compensation plan | plan			3
Weighted-average grant date fair value of options granted (in dollars per share) | $ / shares		$ 4.91	$ 4.61	$ 6.64
Share-based Payment Arrangement, Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized stock-based compensation expense related to unvested stock options | $		$ 24.1	$ 17.6	$ 24.1
Unrecognized stock-based compensation expense estimated, recognition period			2 years 4 months 24 days	2 years 1 month 13 days
Restricted Stock Units (RSUs)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized stock-based compensation expense related to unvested stock options | $		$ 29.0	$ 36.3	$ 29.0
Unrecognized stock-based compensation expense estimated, recognition period			3 years 3 days	3 years 2 months 15 days
2021 Equity Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock reserved for future issuance (in shares)	18,000,000		22,156,380
Annual increase to common stock reserved for issuance	4.00%
2021 Employee Stock Purchase Plan | Employee Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock reserved for future issuance (in shares)	2,000,000		5,298,874
Annual increase to common stock reserved for issuance	1.00%
Shares outstanding (in shares)	5,000,000
Share-based compensation arrangement by share-based payment award, shares issued in period (in shares)			210,496