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v3.23.1

Share Incentive Plan - Additional Information (Details) ¥ in Thousands |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Aug. 01, 2020 Employee shares | Dec. 31, 2022 CNY (¥) shares | Dec. 31, 2021 CNY (¥) shares | Dec. 31, 2020 CNY (¥) shares | Dec. 31, 2022 USD ($) | Aug. 24, 2018 shares | Oct. 31, 2017 shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |
Compensation expense | ¥ |  | ¥ 7,181 | ¥ 768 | ¥ 29,748 |  |  |
Unrecognized share-based compensation expenses | $ |  |  |  |  | $ 0 |  |
Two Employees |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |
Number of shares granted | 80,000 | 0 | 0 |  |  |  |
Shares vested upon grant | 80,000 |  |  |  |  |  |
Number of employees | Employee | 2 |  |  |  |  |  |
Compensation expense | ¥ |  |  |  | ¥ 27,898 |  |  |
Employee Stock Option |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |
Number of shares granted |  | 375,000 | 0 | 0 |  |  |
Compensation expense | ¥ |  | ¥ 6,813 |  |  |  |  |
2017 Share Incentive Plan | Additional Ordinary Share |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |
Number of shares approved for grant |  |  |  |  |  | 345,503 | 483,846
Common Stock, Capital Shares Reserved for Future Issuance |  |  |  |  |  | 829,349 |

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