Stock-Based Compensation - Summary of Stock Option Activity (Detail) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Number of Shares Outstanding	6,596,969
Number of Shares Granted	1,418,224	1,069,658
Number of Shares Exercised	(1,864,961)
Number of Shares Canceled / forfeited	(143,967)
Number of Shares Outstanding	6,006,265		6,596,969
Number of Shares Options Exercisable	3,153,644
Number of Shares Options vested or expected to vest	5,480,939
Weighted Average Exercise Price Outstanding	$ 4.10
Weighted Average Exercise Price Granted	8.03
Weighted Average Exercise Price Exercised	1.11
Weighted Average Exercise Price Cancelled / forfeited	6.54
Weighted Average Exercise Price Outstanding	5.90		$ 4.10
Weighted Average Exercise Price Options Exercisable	3.61
Weighted Average Exercise Price Options Vested or Expected to Vest	$ 5.63
Weighted Average Remaining Contractual Term (in years) Outstanding	6 years 4 months 20 days		5 years 2 months 12 days
Weighted Average Remaining Contractual Term (in years) Options Exercisable	4 years 4 months 24 days
Weighted Average Remaining Contractual Term (in years) Options Vested or Expected to Vest	6 years 1 month 28 days
Aggregate Intrinsic Value Outstanding	$ 38,524
Aggregate Intrinsic Value Options Exercised	8,475
Aggregate Intrinsic Value Outstanding	3,031		$ 38,524
Aggregate Intrinsic Value Options Exercisable	3,031
Aggregate Intrinsic Value Options Vested or Expected to Vest	$ 3,031

Share based compensation arrangement by share based payment award options total exercised number of shares.

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- Definition

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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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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- Definition

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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

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

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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-Publisher FASB
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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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- Definition

Amount by which current fair value of underlying stock exceeds exercise price of 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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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 exercise price, at which grantee can acquire shares reserved for issuance, for 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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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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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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