v3.26.1
Income Taxes - Summary of Income Tax Expense (Benefit) (Detail)
¥ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Income tax expenses applicable to PRC operations        
Deferred income tax benefits ¥ (6,969) $ (997) ¥ 0 ¥ 0
Subtotal income tax expenses (benefits) applicable to PRC operations (4,409) (630) 386 206
Subtotal income tax expenses applicable to Non-PRC operations (4,409) (630) 386 206
Total income tax expenses (benefits) (4,409) (630) 386 206
Non-PRC [Member]        
Income tax expenses applicable to PRC operations        
Current income tax expenses 263 38 105 25
Subtotal income tax expenses (benefits) applicable to PRC operations 263 38 105 25
Current income tax expenses 263 38 105 25
Subtotal income tax expenses applicable to Non-PRC operations 263 38 105 25
Total income tax expenses (benefits) 263 38 105 25
PRC [Member]        
Income tax expenses applicable to PRC operations        
Current income tax expenses 2,297 329 281 181
Deferred income tax benefits (6,969) (997) 0 0
Subtotal income tax expenses (benefits) applicable to PRC operations (4,672) (668) 281 181
Current income tax expenses 2,297 329 281 181
Subtotal income tax expenses applicable to Non-PRC operations (4,672) (668) 281 181
Total income tax expenses (benefits) ¥ (4,672) $ (668) ¥ 281 ¥ 181