Revenues - Schedule of Revenue Disclosure of Timing of Revenue Recognition (Details) ¥ in Thousands, $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2025
CNY (¥)
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
CNY (¥)
|
Dec. 31, 2023
CNY (¥)
|
|
| Timing of revenue recognition | ||||
| Revenue from contracts with customers | ¥ 125,139 | $ 17,894 | ¥ 200,976 | ¥ 233,363 |
| Goods and services transferred at a point in time [Member] | ||||
| Timing of revenue recognition | ||||
| Revenue from contracts with customers | 124,729 | 190,203 | 145,641 | |
| Goods and services transferred over time [Member] | ||||
| Timing of revenue recognition | ||||
| Revenue from contracts with customers | ¥ 410 | ¥ 10,773 | ¥ 87,722 | |