SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Fair value measurements - Non-Recurring (Details) - Non-recurring - CNY (¥) ¥ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||
| Property and equipment, Fair Value | ¥ 6,788 | ||
| Property and equipment, Total Loss for the Year | 21,845 | ¥ 0 | ¥ 0 |
| Level 3 | |||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||
| Property and equipment, Fair Value | ¥ 6,788 | ||
| X | ||||||||||
- Definition Amount of (expense) income related to adjustment to fair value of property and equipment. No definition available.
|
| 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/exampleRef
|
| X | ||||||||||
- Definition Fair value portion of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|