v3.25.4
Share-based Payment - Additional Information (Detail)
12 Months Ended
Sep. 04, 2019
shares
Aug. 31, 2015
shares
Dec. 31, 2014
shares
Dec. 31, 2024
CNY (¥)
shares
Dec. 31, 2023
CNY (¥)
shares
Dec. 31, 2022
CNY (¥)
shares
Jul. 21, 2021
shares
Disclosure of terms and conditions of share-based payment arrangement [line items]              
Valid term of share option plans       10 years      
Share option plans vesting term       4 years      
Weighted average remaining contract life for outstanding share options       1 year 8 months 15 days 2 years 8 months 23 days 3 years 8 months 15 days  
Number of share options granted in share-based payment arrangement       0 0 0  
Share Based Payment Arrangement Options Granted Percentage Variation       zero to 100      
Allocated share based compensation expense | ¥       ¥ (18,119,000) ¥ (36,204,000) ¥ 45,162,000  
Share based payment transactions expenses with share option | ¥       ¥ 0 ¥ 0 ¥ 27,000,000  
Description of vesting requirements for share-based payment arrangement       four-year      
Phase I Share Incentive Plan [Member] | Top of range [member] | Class A ordinary shares [Member]              
Disclosure of terms and conditions of share-based payment arrangement [line items]              
Share based payments number of shares granted     20,644,803        
Phase II Share Incentive Plan [Member] | Top of range [member] | Class A ordinary shares [Member]              
Disclosure of terms and conditions of share-based payment arrangement [line items]              
Share based payments number of shares granted   20,644,803          
Two Thousand Ninteen Performance Share Unit Plan [Member]              
Disclosure of terms and conditions of share-based payment arrangement [line items]              
Number of share options granted in share-based payment arrangement       0 32,000 39,500  
Performance Share Units              
Disclosure of terms and conditions of share-based payment arrangement [line items]              
Number of share options granted in share-based payment arrangement         32,000 40,000  
Allocated share based compensation expense | ¥       ¥ 18,000,000 ¥ 36,000,000 ¥ 19,000,000  
2014 Plan              
Disclosure of terms and conditions of share-based payment arrangement [line items]              
Share based payments number of shares granted 10,000,000,000            
2014 Plan | Tun Kung Company Limited              
Disclosure of terms and conditions of share-based payment arrangement [line items]              
Stock repurchase program, Number of shares repurchased             35,644,803,000
2015 Plan | Tun Kung Company Limited              
Disclosure of terms and conditions of share-based payment arrangement [line items]              
Stock repurchase program, Number of shares repurchased             35,644,803,000
2019 Plan              
Disclosure of terms and conditions of share-based payment arrangement [line items]              
Share based payments number of shares granted 15,000,000,000            
2019 Plan | Tun Kung Company Limited              
Disclosure of terms and conditions of share-based payment arrangement [line items]              
Stock repurchase program, Number of shares repurchased             35,644,803,000