Aggregate number of common shares reserved for future issuance.

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Amount of expense for employee benefit and equity-based compensation.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The cash inflow associated with the amount received from the stock plan during the period.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).

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Equity Incentive Plans - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021	Jul. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted-average grant-date fair values of options granted			$ 9.67	$ 10.42
Aggregate intrinsic value of options exercised	$ 1,700		$ 2,900
Unrecognized stock-based compensation of unvested options	$ 30,900		$ 30,900
Weighted-average period expected to recognize			3 years
Common stock reserved for future issuance	10,902,547		10,902,547		11,221,882
Number of Shares, Granted			1,352,900
Stock based compensation	$ 2,600	$ 900	$ 5,100	$ 1,200
Share of common stock purchased	3,532	931	6,506	1,208
Restricted Stock Units RSU
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized stock-based compensation of unvested options	11,200		$ 11,200
Weighted-average period expected to recognize			3 years 3 months 18 days
Stock based compensation	$ 800	0	$ 1,300	0
2011 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock available for issuance					5,321,687
2021 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock available for issuance	3,576,258		3,576,258
Common stock reserved for future issuance	5,200,000		5,200,000
2021 Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Collected withholdings under plan			$ 200
Common stock reserved for future issuance						850,000
Stock based compensation	$ 100	$ 0	100	$ 0
Share of common stock purchased			$ 0