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Stock-Based Compensation - Summary of Activity Related to Stock Option Grants (Detail) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Subject to Options Outstanding, Beginning balance	6,316,569
Shares Subject to Options Outstanding, Granted	511,773
Shares Subject to Options Outstanding, Exercised	(261,567)
Shares Subject to Options Outstanding, Cancelled	(195,902)
Shares Subject to Options Outstanding, Ending balance	6,370,873
Shares Subject to Options Outstanding Vested, Ending balance	1,974,776
Weighted- Average Exercise Price, Beginning balance | $ / shares	$ 10.93
Weighted- Average Exercise Price, Ending balance | $ / shares	12.82
Weighted- Average Exercise Price Vested, Ending balance | $ / shares	$ 9.60
Weighted- Average Remaining Contractual Life (Years)	8 years 6 months 29 days
Weighted- Average Remaining Contractual Life (Years), Vested	8 years 1 month 20 days
Aggregate Intrinsic Value, Ending balance | $	$ 11,385,117
Aggregate Intrinsic Value, Vested Ending balance | $	$ 4,887,808

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

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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

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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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Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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