Segment Reporting - Summary of Total Long Lived Assets By Geographical Location (Detail) ¥ in Thousands, $ in Thousands |
Dec. 31, 2025
CNY (¥)
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
CNY (¥)
|
|---|---|---|---|
| Schedule of long lived assets by geographical areas [Line item] | |||
| Long-lived assets | ¥ 81,505 | $ 11,655 | ¥ 108,266 |
| PRC | |||
| Schedule of long lived assets by geographical areas [Line item] | |||
| Long-lived assets | 63,187 | 9,036 | 102,154 |
| United States | |||
| Schedule of long lived assets by geographical areas [Line item] | |||
| Long-lived assets | ¥ 18,318 | $ 2,619 | ¥ 6,112 |