v3.26.1
Organization - Additional Information (Detail)
¥ in Thousands, $ in Thousands, $ in Thousands
 1 Months Ended 12 Months Ended
Mar. 15, 2021
HKD ($)
shares
Feb. 19, 2021
Dec. 31, 2013
USD ($)
shares
Nov. 30, 2014
USD ($)
shares
Dec. 31, 2025
CNY (¥)
Customer
shares
Dec. 31, 2024
CNY (¥)
Customer
shares
Dec. 31, 2023
Customer
Dec. 31, 2025
USD ($)
shares
Aug. 31, 2025
Jun. 27, 2022
Feb. 22, 2017
Jun. 30, 2016
Jun. 23, 2008
Summary of Investment Holdings [Line Items]                          
Amounts due from related parties, current         ¥ 43,599 ¥ 63,957   $ 6,235          
Ordinary shares, shares issued         463,038,708 479,288,580   463,038,708          
Ordinary shares, shares outstanding         463,038,708 479,288,580   463,038,708          
No of ordinary shares per Ads after division | Customer         4 4 4            
No of ordinary shares per Ads before division | Customer         1                
Global Offering Including Over Allotment Option [Member]                          
Summary of Investment Holdings [Line Items]                          
Newly issued shares through offering 24,738,400                        
Global Offering Over Allotment Option [Member]                          
Summary of Investment Holdings [Line Items]                          
Newly issued shares through offering 4,544,000                        
Global Offering [Member]                          
Summary of Investment Holdings [Line Items]                          
Net proceeds from Global offering | $ $ 4,294,850                        
American Depositary Shares [Member] | IPO [Member]                          
Summary of Investment Holdings [Line Items]                          
Newly issued shares through offering     8,993,000                    
Proceeds from issuance of shares | $     $ 142,590                    
American Depositary Shares [Member] | Follow-on offering [Member]                          
Summary of Investment Holdings [Line Items]                          
Newly issued shares through offering       2,424,801                  
Proceeds from issuance of shares | $       $ 97,340                  
Class A Ordinary Shares [Member]                          
Summary of Investment Holdings [Line Items]                          
Shares converted into Class A ordinary shares from Class B ordinary shares during the period       6,964,612                  
VIE Structure Concentration Risk [Member] | Net Revenues [Member] | Customer [Member]                          
Summary of Investment Holdings [Line Items]                          
Concentration percentage         10.30% 11.50% 13.50%            
VIE Structure Concentration Risk [Member] | Assets, Total [Member] | Customer [Member]                          
Summary of Investment Holdings [Line Items]                          
Concentration percentage         7.00% 7.10%              
VIE Structure Concentration Risk [Member] | Liabilities, Total [Member] | Customer [Member]                          
Summary of Investment Holdings [Line Items]                          
Concentration percentage         8.90% 7.20%              
Exclusive technical consulting and service agreements [Member]                          
Summary of Investment Holdings [Line Items]                          
Extension option in agreement term   10 years                      
Exclusive technical consulting and service agreements [Member] | Maximum [Member]                          
Summary of Investment Holdings [Line Items]                          
Term of agreement   30 years                      
Telstra Holdings Pty Ltd. [Member]                          
Summary of Investment Holdings [Line Items]                          
Percentage of the company owned by parent                   55.00%     100.00%
Percentage of direct ownership by the Company                   55.00%     100.00%
Selling Shareholders of Cheerbright, China Topside and Norstar [Member]                          
Summary of Investment Holdings [Line Items]                          
Percentage of the Company owned by selling shareholders                   45.00%      
Ping An Insurance (Group) Company of China Ltd. [Member]                          
Summary of Investment Holdings [Line Items]                          
Percentage of the company owned by parent                     6.50% 47.40%  
Percentage of direct ownership by the Company                     6.50% 47.40%  
Haier Group [Member]                          
Summary of Investment Holdings [Line Items]                          
Percentage of the company owned by parent         43.40%     43.40% 43.00%        
Percentage of direct ownership by the Company         43.40%     43.40% 43.00%        
Yun Chen [Member]                          
Summary of Investment Holdings [Line Items]                          
Percentage of issued and outstanding shares                 5.10%        
Affiliated Entity [Member] | Consolidated VIEs [Member]                          
Summary of Investment Holdings [Line Items]                          
Amounts due from related parties, current         ¥ 178,790 ¥ 112,970   $ 25,570          
Inter-company payables         ¥ 375,730 ¥ 415,440   $ 53,730