Stock Option and Grant Plan - Summary of Option Activity Under Equity Award Plans (Details) - $ / shares	9 Months Ended
Sep. 30, 2022
Number of options
Outstanding at December 31, 2021	6,034,192
Granted	2,051,846
Exercised	(369,444)
Forfeitures	(109,531)
Outstanding at June 30, 2022	7,607,063
Exercisable as of June 30, 2022	3,421,139
Weighted average exercise price
Outstanding at December 31, 2021	$ 32.40
Granted	62.32
Exercised	5.33
Forfeitures	55.89
Outstanding at June 30, 2022	41.45
Exercisable as of June 30, 2022	$ 24.52

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of share options (or share units) exercised during the current period.

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