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Share-Based Compensation - Additional Information (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 CNY (¥) Plans shares | Dec. 31, 2023 USD ($) Plans shares | Dec. 31, 2022 CNY (¥) shares | Dec. 31, 2021 CNY (¥) shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Share-based compensation expenses | ¥ 77,502 | $ 10,915 | ¥ 340,860 | ¥ 530,440
Repurchased of ordinary shares, consideration | ¥ 213,054 |  | ¥ 646,820 | ¥ 22,319
Number of share incentive plans | Plans | 2 | 2 |  |
Maximum term of option | 10 years | 10 years |  |
Number of share options, granted | shares | 110,582,949 | 110,582,949 | 85,357,994 | 55,388,338
Unrecognized compensation expenses related to stock options | ¥ 240,242 |  |  |
Unrecognized compensation expenses period for recognition | 1 year 11 months 12 days | 1 year 11 months 12 days |  |
Related to Vesting of Share Options |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Maximum term of option | 10 years | 10 years |  |
Maximum aggregate number of Ordinary Shares authorized | shares | 249,234,508 |  |  |
2022 Share Incentive Plan |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Maximum term of option | 10 years | 10 years |  |
Percentage of ordinary shares available for issuance |  |  | 1.50% |
Percentage of total number of issued and outstanding shares | 1.00% |  |  |
Class A Ordinary Shares | 2018 Share Option Plan |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Options to purchase aggregate amount of ordinary shares granted | shares | 249,234,508 | 249,234,508 |  |
Class A Ordinary Shares | 2022 Share Incentive Plan |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Options to purchase aggregate amount of ordinary shares granted | shares | 7,168,734 | 7,168,734 |  |
Accelerated Vesting of Share Options |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Share-based compensation expenses | ¥ (1,905) |  | ¥ (64,660) | ¥ 66,429
Number of options accelerated to vest immediately | shares | 386,843 | 386,843 | 17,863,616 | 5,595,868
Share-based compensation fair value of modified option | ¥ 403 |  | ¥ 12,379 | ¥ 77,898
Compensation expense for the unvested options | 2,308 |  | 77,039 | 11,469
Options |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Share-based compensation expenses | ¥ 79,407 |  | ¥ 392,727 | ¥ 464,011
First Two Fiscal Years Beginning January 1, 2024 | 2022 Share Incentive Plan |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Percentage of total number of issued and outstanding shares | 1.50% |  |  |
Tranche One | Options |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Vesting, percentage | 25.00% | 25.00% |  |
Vesting period | 4 years | 4 years |  |
Tranche Two | Options |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Vesting, percentage | 100.00% | 100.00% |  |
Vesting period | 1 year | 1 year |  |
Share-Based Payment Arrangement, Tranche Three | Options |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Vesting, percentage | 21.43% | 21.43% |  |
Vesting period | 4 years | 4 years |  |
Share-Based Payment Arrangement, Tranche Four | Options |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Vesting, percentage | 7.14% | 7.14% |  |
Vesting period | 2 years | 2 years |  |

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