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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, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	$ 19,278	$ 24,367	$ 38,322	$ 51,049
Weighted-average grant date fair value per share of stock options granted			$ 20.2
Employee Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation expense related to unvested stock options	90,900		$ 90,900
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			3 years
Unrecognized stock-based compensation expense, expected to vest	$ 69,700		$ 69,700
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	18,350,221		18,350,221
Number of shares available for future issuance	2,359,298		2,359,298
2019 Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares available for future issuance	4,533,299		4,533,299
Number of shares issued			74,518	90,436
Stock-based compensation expense	$ 400	$ 400	$ 800	$ 700