SUMMARY OF PRINCIPAL ACCOUNTING POLICIES - Leases (Details) |
Jun. 30, 2026 |
|---|---|
| Minimum | HWC | |
| Accounting policies | |
| Initial lease term | 10 years |
| Minimum | HWI | |
| Accounting policies | |
| Initial lease term | 20 years |
| Maximum | HWC | |
| Accounting policies | |
| Initial lease term | 20 years |
| Maximum | HWI | |
| Accounting policies | |
| Initial lease term | 25 years |