v3.26.1
Fair Value - 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 (¥)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Other gain or (loss), net ¥ 5,682 $ 813 ¥ (90,509) ¥ (26,685)
Fair value of the Note 0   20,466  
Fair value of the short-term and long-term deposits 3,323,825   5,433,966  
Equity Securities [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Other gain or (loss), net ¥ 0   ¥ (62,625)