Equity Plans and Stock-Based Compensation - Option Activity under Stock-Based Compensation Plans (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2024	Dec. 31, 2023
Shares Underlying Outstanding Options
Beginning balance	10,120
Options granted	1,685
Options exercised	(316)
Options forfeited (unvested)	(2)
Options expired (vested)	(144)
Ending balance	11,343	10,120
Vested and expected to vest as of June 30, 2024	11,141
Exercisable as of June 30, 2024	8,118
Weighted-Average Exercise Price Per Share
Beginning balance	$ 10.78
Options granted	12.39
Options exercised	7.28
Options forfeited (unvested)	9.52
Options expired (vested)	14.63
Ending balance	11.07	$ 10.78
Vested and expected to vest as of June 30, 2024	11.05
Exercisable as of June 30, 2024	$ 10.65
Weighted-Average Remaining Contractual Term (years)
Weighted - Average Remaining Contractual Term (years), balance	4 years 2 months 19 days	4 years 2 months 4 days
Vested and expected to vest as of June 30, 2024	4 years 2 months 1 day
Exercisable as of June 30, 2024	3 years 6 months 3 days
Aggregate Intrinsic Value
Balance as of December 31, 2023	$ 37,388
Balance as of June 30, 2024	14,929	$ 37,388
Vested and expected to vest as of June 30, 2024	14,923
Exercisable as of June 30, 2024	$ 14,696

Share based compensation arrangement by share based payment award options aggregate intrinsic value.

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Share based compensation arrangement by share based payment award options weighted average remaining contractual term.

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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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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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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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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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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 exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest exercisable or convertible options. 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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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. 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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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 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 of the plan that expired.

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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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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. 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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Number of share options (or share units) exercised during the current period.

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