ADDITIONAL INFORMATION-FINANCIAL STATEMENT SCHEDULE I - Condensed Financial Information of Parent Company Balance Sheets (Parenthetical) (Detail) - $ / shares	Dec. 31, 2025	Dec. 31, 2024
Common Class A [Member]
Condensed Balance Sheet Statements, Captions [Line Items]
Ordinary shares, par value	$ 0.0001	$ 0.0001
Ordinary shares, shares authorized	800,000,000	800,000,000
Ordinary shares, shares issued	101,974,316	101,974,316
Ordinary shares, shares outstanding	86,673,876	95,317,937
Common Class B [Member]
Condensed Balance Sheet Statements, Captions [Line Items]
Ordinary shares, par value	$ 0.0001	$ 0.0001
Ordinary shares, shares authorized	100,000,000	100,000,000
Ordinary shares, shares issued	73,305,288	73,305,288
Ordinary shares, shares outstanding	73,305,288	73,305,288
Parent [Member] \| Common Class A [Member]
Condensed Balance Sheet Statements, Captions [Line Items]
Ordinary shares, par value	$ 0.0001	$ 0.0001
Ordinary shares, shares authorized	800,000,000	800,000,000
Ordinary shares, shares issued	101,974,316	101,974,316
Ordinary shares, shares outstanding	86,673,876	95,317,937
Parent [Member] \| Common Class B [Member]
Condensed Balance Sheet Statements, Captions [Line Items]
Ordinary shares, par value	$ 0.0001	$ 0.0001
Ordinary shares, shares authorized	100,000,000	100,000,000
Ordinary shares, shares issued	73,305,288	73,305,288
Ordinary shares, shares outstanding	73,305,288	73,305,288

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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