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Equity - Additional Information (Detail) | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2021 shares $ / shares | Dec. 31, 2021 shares $ / shares $ / shares | Dec. 31, 2021 $ / shares shares | Nov. 08, 2021 $ / shares shares | Nov. 08, 2021 $ / shares shares | Dec. 31, 2020 shares
Disclosure of classes of share capital [line items] |  |  |  |  |  |
Number of shares represented by each ADS | 2 | 2 |  |  |  |
Percentage of legal reserve on share capital | 25.00% | 25.00% |  |  |  |
American depository shares (ADs) [member] |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |
Number of shares represented by each ADS | 2 | 2 |  |  |  |
Number of shares outstanding | 157,164,000 | 157,164,000 | 157,164,000 |  |  | 107,964,000
Ordinary shares [member] |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |
Number of shares outstanding | 314,328,000 | 314,328,000 | 314,328,000 |  |  | 215,927,000
Ordinary shares [member] | Board of Directors [Member] |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |
Number of ordinary shares issued | 55,000,000 | 55,000,000 | 55,000,000 | 55,000,000 | 55,000,000 |
Top of range [member] |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |
Percentage of cash dividend on dividend distribution | 30.00% | 30.00% |  |  |  |
Top of range [member] | Ordinary shares [member] |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |
Number of ordinary shares issued | 53,067,000 | 53,067,000 | 53,067,000 |  |  |
Weighted average share price | (per share) | $ 104.2 | $ 3.8 |  |  |  |
Top of range [member] | Ordinary shares [member] | Board of Directors [Member] |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |
Par value per share | (per share) |  |  |  | $ 150 | $ 5 |
Bottom of range [member] | Ordinary shares [member] |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |
Number of ordinary shares issued | 1,933,000 | 1,933,000 | 1,933,000 |  |  |
Weighted average share price | (per share) | $ 106.4 | $ 3.8 |  |  |  |
Bottom of range [member] | Ordinary shares [member] | Board of Directors [Member] |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |
Par value per share | (per share) | $ 90 | $ 90 | $ 3 | $ 90 | $ 3 |

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