Share-Based Compensation - Summary of Share Options Activity (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Share-based Payment Arrangement [Abstract]
Number of Options, Outstanding Beginning	14,939,945
Number of Options, Granted	1,349,580
Number of Options, Exercised	(1,074,846)
Number of Options, Reversal	3,506,228
Number of Options, Forfeited	(1,238,454)
Number of Options, Outstanding Ending	17,482,453	14,939,945
Number of Options, Vested and expected to vest	17,482,453
Number of Options, Exercisable	5,626,253
Weighted-Average Exercise Price, Outstanding beginning	$ 2.2266
Weighted-Average Exercise Price, Granted	0.0002
Weighted-Average Exercise Price, Exercised	0.0002
Weighted-Average Exercise Price, Forfeited	1.5632
Weighted-Average Exercise Price, Outstanding Ending	1.7921	$ 2.2266
Weighted-Average Exercise Price, Vested and expected to vest	1.7921
Weighted-Average Exercise Price, Exercisable	0.6555
Weighted-Average Grant Date Fair Value, Outstanding Beginning	2.43
Weighted-Average Grant Date Fair Value, Granted	0.3	0.74	$ 3.07
Weighted-Average Grant Date Fair Value, Exercised	9.49
Weighted-Average Grant Date Fair Value, Forfeited	1.15
Weighted-Average Grant Date Fair Value, Outstanding Ending	6.67	$ 2.43
Weighted-Average Grant Date Fair Value, Vested and expected to vest	6.67
Weighted-Average Grant Date Fair Value, Exercisable	$ 19.48
Weighted-Average Remaining Contractual Term, Outstanding	6 years 5 months 26 days	7 years 8 months 19 days
Weighted-Average Remaining Contractual Term, Vested and expected to vest	6 years 5 months 26 days
Weighted-Average Remaining Contractual Term, Exercisable	4 years 11 months 19 days
Aggregate Intrinsic Value, Outstanding	$ 18,711	$ 4,238
Aggregate Intrinsic Value, Vested and expected to vest	18,711
Aggregate Intrinsic Value, Exercisable	$ 11,456

Share based compensation arrangement by share based payment award options for reversal in period.

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Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Grant Date Fair Value.

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Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Grant Date Fair Value.

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Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Weighted Average Grant Date Fair Value.

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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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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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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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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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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 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 grant-date fair value of non-vested options forfeited.

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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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Weighted average grant-date fair value of options vested.

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

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