v3.26.1
Segment Reporting - Summary of Total Revenues by Location of Contracting Customer (Detail)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Revenue From External Customers By Geographic Areas [Line Items]        
Revenues ¥ 539,568 $ 77,157 ¥ 515,822 ¥ 537,435
Overseas [Member]        
Revenue From External Customers By Geographic Areas [Line Items]        
Revenues 100,928 14,432 100,088 61,244
Chinese mainland [Member]        
Revenue From External Customers By Geographic Areas [Line Items]        
Revenues ¥ 438,640 $ 62,725 ¥ 415,734 ¥ 476,191