Share-Based Compensation - Stock Option Activity (Detail) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Share-Based Compensation
Outstanding beginning balance (in shares)	8,131,235
Granted (in shares)	0
Exercised (in shares)	(1,594,598)
Outstanding ending balance (in shares)	6,536,637		8,131,235
Exercisable (in shares)	3,454,324
Weighted Average Exercise Price Per Share ,Outstanding beginning balance	$ 1.01
Weighted Average Exercise Price Per Share ,Exercised	0.9
Weighted Average Exercise Price Per Share , Outstanding ending balance	1.03		$ 1.01
Weighted Average Exercise Price Per Share , Exercisable	$ 0.79
Weighted- Average Contractual Life (in years) , Outstanding	7 years 7 months 17 days		8 years 14 days
Weighted- Average Contractual Life (in years) , Exercisable	6 years 8 months 26 days
Aggregate Intrinsic Value beginning balance	$ 115,878
Aggregate Intrinsic Value , Exercised	17,441	$ 300
Aggregate Intrinsic Value ending balance	70,763		$ 115,878
Aggregate Intrinsic Value , Exercisable	$ 38,255

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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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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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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 price at which option holders acquired shares when converting their stock options into shares.

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

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