SIGNIFICANT ACCOUNTING POLICIES - Property, plant and equipment, net (Details) |
Dec. 31, 2025 |
|---|---|
| Vehicles | |
| Property, plant and equipment, net | |
| Estimated useful life | 4 years |
| Maximum | Office building | |
| Property, plant and equipment, net | |
| Estimated useful life | 40 years |
| Maximum | Computer equipment | |
| Property, plant and equipment, net | |
| Estimated useful life | 5 years |
| Maximum | Furniture and office equipment | |
| Property, plant and equipment, net | |
| Estimated useful life | 5 years |
| Minimum | Office building | |
| Property, plant and equipment, net | |
| Estimated useful life | 20 years |
| Minimum | Computer equipment | |
| Property, plant and equipment, net | |
| Estimated useful life | 3 years |
| Minimum | Furniture and office equipment | |
| Property, plant and equipment, net | |
| Estimated useful life | 3 years |