SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Estimated Useful Lives Of Property, Equipment And Software (Details) |
Dec. 31, 2025 |
|---|---|
| Electronic equipment | Minimum | |
| Property, Equipment and Software | |
| Estimated useful lives | 3 years |
| Electronic equipment | Maximum | |
| Property, Equipment and Software | |
| Estimated useful lives | 5 years |
| Leasehold improvement | |
| Property, Equipment and Software | |
| Estimated useful lives | us-gaap:UsefulLifeShorterOfTermOfLeaseOrAssetUtilityMember |
| Buildings | |
| Property, Equipment and Software | |
| Estimated useful lives | 20 years |
| Motor vehicles | Minimum | |
| Property, Equipment and Software | |
| Estimated useful lives | 3 years |
| Motor vehicles | Maximum | |
| Property, Equipment and Software | |
| Estimated useful lives | 5 years |
| Furniture and fixtures | |
| Property, Equipment and Software | |
| Estimated useful lives | 5 years |
| Software | |
| Property, Equipment and Software | |
| Estimated useful lives | 5 years |