v3.26.1
Share Based Compensation - Additional Information (Details)
 1 Months Ended 12 Months Ended
Oct. 31, 2014
shares
May 31, 2024
shares
Dec. 31, 2025
USD ($)
shares
$ / shares
Dec. 31, 2025
USD ($)
shares
¥ / shares
Dec. 31, 2024
USD ($)
shares
$ / shares
Dec. 31, 2024
USD ($)
shares
¥ / shares
Dec. 31, 2023
USD ($)
shares
$ / shares
Dec. 31, 2023
USD ($)
shares
¥ / shares
Dec. 31, 2017
Dec. 31, 2025
CNY (¥)
shares
Dec. 31, 2024
CNY (¥)
shares
Dec. 31, 2023
CNY (¥)
shares
Bottom of range                        
Disclosure Of Share Based Compensation [Line Items]                        
Expected retention rate     87.00% 87.00% 87.00% 87.00%            
Top of range [Member]                        
Disclosure Of Share Based Compensation [Line Items]                        
Expected retention rate     95.00% 95.00% 95.00% 95.00%            
2014 Share Incentive Plan                        
Disclosure Of Share Based Compensation [Line Items]                        
Number of common shares reserved for future issuance 96,704,847                      
Number of options exercisable             911,064 911,064       911,064
Weighted average price of shares when exercised | (per share)         $ 5.35 ¥ 39.07 $ 3.92 ¥ 27.86        
Stock Option                        
Disclosure Of Share Based Compensation [Line Items]                        
Description of vesting conditions for share-based payments                 One-fourth (1/4) of which shall vest nine months or eighteen months after grant date, respectively, as provided in the grant agreement, and one-fourth (1/4) of which vest upon every year      
2017 Restricted Share Scheme and 2017 Option Plan                        
Disclosure Of Share Based Compensation [Line Items]                        
Number of options exercisable             21,062,538 21,062,538       21,062,538
Weighted average price of shares when exercised | (per share)         $ 6.66 ¥ 48.58 $ 3.96 ¥ 28.08        
2024 Share Incentive Plan                        
Disclosure Of Share Based Compensation [Line Items]                        
Number of common shares reserved for future issuance   228,775,377                    
Number of options exercisable     13,714,136 13,714,136 23,228,552 23,228,552       13,714,136 23,228,552  
Weighted average price of shares when exercised | (per share)     $ 10.08 ¥ 70.5 $ 6.17 ¥ 45.02            
Restricted share units [member]                        
Disclosure Of Share Based Compensation [Line Items]                        
Weighted average fair value at measurement date, share options granted         $ 5.15 ¥ 5.15 $ 3.78 ¥ 3.78     ¥ 37.62 ¥ 26.83
Restricted share units [member] | 2024 Share Incentive Plan                        
Disclosure Of Share Based Compensation [Line Items]                        
Weighted average fair value at measurement date, share options granted     $ 9.24 ¥ 9.24 $ 7.13 ¥ 7.13       ¥ 64.65 ¥ 52.01  
First Category Vesting Schedule                        
Disclosure Of Share Based Compensation [Line Items]                        
Description of vesting conditions for share-based payments one-fourth (1/4) of which shall vest and become exercisable upon the first anniversary of the date of grant and one-eighth (1/8) of which shall vest and become exercisable on each half of a year anniversary thereafter.                      
First Category Vesting Schedule | Restricted share units [member]                        
Disclosure Of Share Based Compensation [Line Items]                        
Description of vesting conditions for share-based payments                 one-fourth (1/4) of which shall vest eighteen months after grant date, and one-fourth (1/4) every year after.      
Second Category Vesting Schedule                        
Disclosure Of Share Based Compensation [Line Items]                        
Description of vesting conditions for share-based payments one-fourth (1/4) of which shall vest upon the first anniversary of the grant date and one-sixteenth (1/16) of which shall vest on each three months thereafter. Under the second category vesting schedule, in the event of the Company’s completion of an IPO or termination of the option holder’s employment agreement by the Company without cause, the vesting schedule shall be accelerated by a one-year period (which means that the whole vesting schedule shall be shortened from four years to three years).                      
Second Category Vesting Schedule | Restricted share units [member]                        
Disclosure Of Share Based Compensation [Line Items]                        
Description of vesting conditions for share-based payments                 Some granted RSUs shall follow the second vesting schedule, half (1/2) shall vest six months after grant date, and the other half shall vest six months thereafter.      
Third Category Vesting Schedule                        
Disclosure Of Share Based Compensation [Line Items]                        
Description of vesting conditions for share-based payments options shall vest upon the first anniversary of the grant date, and in the event of the Company’s completion of an IPO.                      
Third Category Vesting Schedule | Restricted share units [member]                        
Disclosure Of Share Based Compensation [Line Items]                        
Description of vesting conditions for share-based payments                 Other granted RSUs shall follow the third vesting schedule, which were divided into range of half, one to third and one to fourth tranches on an equal basis as at their grant dates, and the tranches will become exercisable in each subsequent year.