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v3.23.1

Ordinary Shares - Additional Information (Detail) $ / shares in Units, ¥ in Thousands, $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Sep. 03, 2020 USD ($) | Dec. 31, 2022 CNY (¥) shares | Dec. 31, 2022 USD ($) $ / shares shares | Dec. 31, 2021 CNY (¥) shares | Dec. 31, 2021 USD ($) $ / shares shares | Dec. 31, 2020 CNY (¥) shares | Dec. 31, 2020 USD ($) $ / shares shares | Jun. 07, 2022 USD ($)
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Issuance of ordinary shares in connection with exercise of options and vesting of share units |  | 5,748,524 | 5,748,524 | 4,344,192 | 4,344,192 | 1,883,774 | 1,883,774 |
Stock repurchased during period value | ¥ |  | ¥ 395,846 |  | ¥ 862,865 |  | ¥ 330,207 |  |
Maximum [Member] |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Share repurchase program, authorized amount | $ | $ 300,000 |  |  |  |  |  |  | $ 200,000
Stock repurchase program period in force | 12 months |  |  |  |  |  |  |
Class A Common Stock [Member] |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Stock repurchased during period shares |  | 23,978,072 | 23,978,072 | 21,124,816 | 21,124,816 | 7,181,576 | 7,181,576 |
Stock repurchased during period value |  | ¥ 395,846 | $ 56,714 | ¥ 862,865 | $ 133,395 | ¥ 330,207 | $ 49,019 |
ADS [Member] |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Weighted average price of per ADS for repurchase share | $ / shares |  |  | $ 4.71 |  | $ 12.61 |  | $ 13.63 |

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