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v3.25.1

Summary of Significant Accounting Policies - Additional Information (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2024 CNY (¥) $ / ¥ | Dec. 31, 2024 USD ($) | Dec. 31, 2023 CNY (¥) | Dec. 31, 2022 CNY (¥)
Management fee, percent of the VIE's total consolidated profit | 100.00% |  |  |
Foreign currency translation rate | $ / ¥ | 7.2993 |  |  |
Restricted cash | ¥ 491,828 |  | ¥ 561,798 |
Intangible asset estimated useful life | 10 years |  |  |
Impairment of intangible assets | ¥ 24,268 |  | ¥ 0 | ¥ 0
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration] | Operating Expenses | Operating Expenses | Operating Expenses | Operating Expenses
Impairment loss of goodwill | ¥ 0 |  | ¥ 0 | ¥ 0
Net loss attributable to mezzanine equity classified as non-controlling interests shareholders | ¥ (16,627) | $ (2,278) | (3,536) | 0
Term of short-term health insurance policies | 12 months | 12 months |  |
VAT | ¥ 193,377 |  | 187,863 | ¥ 257,154
Currency risk, assets subject to government policies | ¥ 1,923,900 |  | ¥ 2,863,500 |
Percentage of assets subject to currency risk to total | 45.91% |  | 69.02% |
Minimum |  |  |  |
Maturity period for long-term investments | 1 year |  |  |
Term of long-term health insurance policies | 6 years | 6 years |  |
Percentage of value added taxes | 3.00% |  |  |
Maximum |  |  |  |
Maturity period for long-term investments | 5 years |  |  |
Maturity period for available-for-sale investments | 20 years |  |  |
Term of long-term health insurance policies | 30 years | 30 years |  |
Percentage of value added taxes | 6.00% |  |  |
Remaining lease term | 3 years |  |  |

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