Shareholders' Equity - Schedule of Retained Earnings (Detail) ¥ in Thousands, $ in Thousands |
Dec. 31, 2025
CNY (¥)
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
CNY (¥)
|
|---|---|---|---|
| Class of Stock [Line Items] | |||
| PRC statutory reserve funds | ¥ 78,535 | $ 11,230 | ¥ 75,068 |
| Unreserved retained losses | (1,569,482) | (224,433) | (1,307,645) |
| Total accumulated losses | ¥ (1,490,947) | $ (213,203) | ¥ (1,232,577) |
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of accumulated undistributed earnings (deficit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of accumulated undistributed earnings (deficit) not available for dividend distribution. Includes, but is not limited to, retained earnings appropriated for specific business purpose. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of accumulated undistributed earnings (deficit) available for dividend distribution. Includes, but is not limited to, retained earnings not appropriated for specific business purpose. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|