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Stock Option and Grant Plan - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	$ 24,367	$ 31,604	$ 51,049	$ 60,885
Weighted-average grant date fair value per share of stock options granted			$ 17.6
Employee Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation expense related to unvested stock options	95,700		$ 95,700
Unrecognized compensation cost, cost to recognize over a weighted-average remaining vesting period			2 years 7 months 6 days
Restricted Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation cost, cost to recognize over a weighted-average remaining vesting period			2 years 8 months 12 days
Unrecognized stock-based compensation expense, expected to vest	$ 66,600		$ 66,600
Restricted Stock \| Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period			2 years
Restricted Stock \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period			4 years
2019 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares reserved for future issuance	16,235,272		16,235,272
Number of shares available for future issuance	1,760,173		1,760,173
2019 Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares available for future issuance	3,674,600		3,674,600
Number of shares issued			90,436	76,461
Stock-based compensation expense	$ 400	$ 300	$ 700	$ 600