Event occurring after the reporting period - Additional Information (Details) ¥ in Thousands, $ in Thousands |
12 Months Ended | ||||
|---|---|---|---|---|---|
|
Jun. 04, 2025
USD ($)
installment
|
Dec. 31, 2024
CNY (¥)
|
Dec. 31, 2024
USD ($)
|
Dec. 31, 2023
CNY (¥)
|
Apr. 28, 2025
USD ($)
|
|
| Event occurring after the reporting period | |||||
| Repayment of borrowings | ¥ 155,989 | $ 21,371 | ¥ 143,872 | ||
| Aggregate amount | ¥ | 824,045 | ¥ 754,774 | |||
| Deed of settlement | Convertible note | |||||
| Event occurring after the reporting period | |||||
| Convertible note issued | $ 35,000 | ||||
| Repayment of borrowings | 1,500 | ||||
| Aggregate amount | $ 15,000 | ||||
| Number of equated monthly installments | installment | 24 | ||||
| Issue of warrants | |||||
| Event occurring after the reporting period | |||||
| Minimum percentage of company's issued share capital | 10.00% | ||||
| Market capitalization | $ 90,000 | ||||
| Other disposals of assets | |||||
| Event occurring after the reporting period | |||||
| Disposal of financial assets measured at amortized cost | $ 1,300 | ||||
| Loss allowance on financial assets measured at amortised cost | ¥ 232,900 | $ 32,500 | |||