Organization and Basis of Presentation - Summary of Cash Flow Statement of VIE and VIE's Subsidiaries (Detail) ¥ in Thousands, $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2025
CNY (¥)
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
CNY (¥)
|
Dec. 31, 2023
CNY (¥)
|
|
| Subsidiary of Limited Liability Company or Limited Partnership [Line Items] | ||||
| Net cash (used in)/generated from operating activities | ¥ (28,400) | $ (4,068) | ¥ (92,261) | ¥ (255,783) |
| Net cash used in investing activities | (4,391) | (628) | (4,412) | (9,300) |
| Net cash (used in)/generated from financing activities | 1,900 | 272 | (72) | (48,832) |
| VIE and VIE's subsidiaries [Member] | ||||
| Subsidiary of Limited Liability Company or Limited Partnership [Line Items] | ||||
| Net cash (used in)/generated from operating activities | 85,227 | 12,185 | (160,551) | (2,768) |
| Net cash used in investing activities | (2,684) | (384) | (3,226) | (606) |
| Net cash (used in)/generated from financing activities | ¥ 1,900 | $ 271 | ¥ 0 | ¥ (68,894) |