Taxation - Additional information (Details) ¥ in Thousands, $ in Millions |
12 Months Ended | |||||
|---|---|---|---|---|---|---|
|
Apr. 01, 2018
HKD ($)
|
Mar. 31, 2018 |
Jan. 01, 2018 |
Dec. 31, 2024
CNY (¥)
|
Dec. 31, 2023
CNY (¥)
|
Dec. 31, 2022 |
|
| Taxation | ||||||
| Deferred tax liabilities | ¥ 0 | ¥ 0 | ||||
| Unrecognized tax losses carried forwards | 1,117,300 | 1,090,900 | ||||
| Unrecognized deductible temporary differences | ¥ 186,200 | ¥ 95,100 | ||||
| Bottom of range [member] | ||||||
| Taxation | ||||||
| Withholding tax | 5.00% | |||||
| Top of range [member] | ||||||
| Taxation | ||||||
| Withholding tax | 10.00% | |||||
| HONG KONG | ||||||
| Taxation | ||||||
| Applicable tax rate | 16.50% | |||||
| HONG KONG | First HK$2 million | ||||||
| Taxation | ||||||
| Applicable tax rate | 8.25% | |||||
| Assessable profits threshold for two-tiered profits tax regime | $ | $ 2 | |||||
| HONG KONG | Excess of HK$2 million | ||||||
| Taxation | ||||||
| Applicable tax rate | 16.50% | |||||
| Assessable profits threshold for two-tiered profits tax regime | $ | $ 2 | |||||
| PRC | ||||||
| Taxation | ||||||
| Average effective tax rate | 25.00% | 25.00% | 25.00% | |||