ORGANIZATION AND PRINCIPAL ACTIVITIES - Reorganization and Variable Interest Entity (Details) |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| Exclusive business cooperation agreement | |
| ORGANIZATION AND PRINCIPAL ACTIVITIES | |
| Notice period for termination of agreement | 30 days |
| Loan agreement | |
| ORGANIZATION AND PRINCIPAL ACTIVITIES | |
| Notice period for termination of agreement | 1 month |