v3.26.1
Borrowings - Additional Information (Detail)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Debt Instrument [Line Items]            
Interest rate     3.80%     3.80%
Term deposits ¥ 2,652,307   ¥ 2,652,307   $ 367,000 $ 367,000
Short-term debt weighted average interest rate     3.10%      
Debt Instrument, Interest Rate, Stated Percentage     3.80%     3.80%
Repayments of Short-Term Debt 2,365,535 $ 338,267 ¥ 0 ¥ 0    
Repayments of Secured Debt ¥ 1,938,385          
Minimum [Member]            
Debt Instrument [Line Items]            
Interest rate 0.63%   2.50%   0.63% 2.50%
Debt Instrument, Interest Rate, Stated Percentage 0.63%   2.50%   0.63% 2.50%
Maximum [Member]            
Debt Instrument [Line Items]            
Interest rate 2.00%   3.60%   2.00% 3.60%
Debt Instrument, Interest Rate, Stated Percentage 2.00%   3.60%   2.00% 3.60%
Weighted Average [Member]            
Debt Instrument [Line Items]            
Interest rate 1.75%       1.75%  
Debt Instrument, Interest Rate, Stated Percentage 1.75%       1.75%