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v3.23.1

Distribution to Shareholders - Additional Information (Detail) $ / shares in Units, ¥ in Thousands, $ in Thousands |  |  |  | 12 Months Ended
--- | --- | --- | --- | ---
Mar. 24, 2022 USD ($) $ / shares | Mar. 24, 2022 CNY (¥) | Mar. 25, 2021 USD ($) $ / shares | Mar. 25, 2021 CNY (¥) | Mar. 19, 2020 USD ($) $ / shares | Mar. 19, 2020 CNY (¥) | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Distribution to shareholders [Line Items] |  |  |  |  |  |  |  |  |
Dividend payable date |  |  |  |  |  |  | Apr. 30, 2022 | Apr. 30, 2021 | Apr. 30, 2020
Dividend Paid [Member] |  |  |  |  |  |  |  |  |
Distribution to shareholders [Line Items] |  |  |  |  |  |  |  |  |
Cash dividend paid | $ 127,262 | ¥ 840,997 | $ 132,032 | ¥ 852,743 | $ 158,649 | ¥ 1,123,983 |  |  |
Dividend record date | Apr. 13, 2022 | Apr. 13, 2022 | Apr. 13, 2021 | Apr. 13, 2021 | Apr. 08, 2020 | Apr. 08, 2020 |  |  |
Ex-dividend date | Apr. 12, 2022 | Apr. 12, 2022 | Apr. 12, 2021 | Apr. 12, 2021 | Apr. 07, 2020 | Apr. 07, 2020 |  |  |
American Depository Shares [Member] | Dividend Declared [Member] |  |  |  |  |  |  |  |  |
Distribution to shareholders [Line Items] |  |  |  |  |  |  |  |  |
Cash dividend amount per ADS | $ 0.64 |  | $ 0.64 |  | $ 0.76 |  |  |  |
Common Stock [Member] | Dividend Declared [Member] |  |  |  |  |  |  |  |  |
Distribution to shareholders [Line Items] |  |  |  |  |  |  |  |  |
Cash dividend amount paid per share | $ 0.32 |  | $ 0.32 |  | $ 0.38 |  |  |  |

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