Additional Information - Condensed Financial Statements of the Company - Balance Sheets (Parenthetical) (Details) - $ / shares	Dec. 31, 2022	Dec. 31, 2021
Class A ordinary shares
Ordinary shares, par value	$ 0.01	$ 0.01
Ordinary shares, authorized	680,000,000	680,000,000
Ordinary shares, issued	264,998,965	264,998,965
Ordinary shares, outstanding	264,998,965	264,998,965
Class A ordinary shares \| Parent Company
Ordinary shares, par value	$ 0.01	$ 0.01
Ordinary shares, authorized	680,000,000	680,000,000
Ordinary shares, issued	264,998,965	264,998,965
Ordinary shares, outstanding	264,998,965	264,998,965
Class B ordinary shares
Ordinary shares, par value	$ 0.01	$ 0.01
Ordinary shares, authorized	320,000,000	320,000,000
Ordinary shares, issued	317,325,360	317,325,360
Ordinary shares, outstanding	317,325,360	317,325,360
Class B ordinary shares \| Parent Company
Ordinary shares, par value	$ 0.01	$ 0.01
Ordinary shares, authorized	320,000,000	320,000,000
Ordinary shares, issued	317,325,360	317,325,360
Ordinary shares, outstanding	317,325,360	317,325,360

Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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