Stock Option and Grant Plan - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	$ 19,044	$ 26,682
Weighted-average grant date fair value per share of stock options granted	$ 19.52
Employee Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation expense related to unvested stock options	$ 93,300
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 2 months 12 days
Unrecognized stock-based compensation expense, expected to vest	$ 79,300
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	18,873,009
Number of shares available for future issuance	2,809,724
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
Number of shares issued	74,518	90,436
Stock-based compensation expense	$ 400	$ 300

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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