Summary of Significant Accounting Policies - Estimated useful lives of class of asset (Details) |
Dec. 31, 2025 |
|---|---|
| Office and electronic equipment | Minimum | |
| Summary of Significant Accounting Policies | |
| Estimated Useful Life | 3 years |
| Estimated Residual | 0.00% |
| Office and electronic equipment | Maximum | |
| Summary of Significant Accounting Policies | |
| Estimated Useful Life | 10 years |
| Estimated Residual | 5.00% |
| Motor vehicles | |
| Summary of Significant Accounting Policies | |
| Estimated Useful Life | 4 years |
| Estimated Residual | 5.00% |
| Aircraft | |
| Summary of Significant Accounting Policies | |
| Estimated Useful Life | 10 years |
| Estimated Residual | 5.00% |
| Building | |
| Summary of Significant Accounting Policies | |
| Estimated Useful Life | 30 years |
| Estimated Residual | 5.00% |
| Leasehold improvements | |
| Summary of Significant Accounting Policies | |
| Estimated Residual | 0.00% |