LEASES - Supplemental balance sheet information (Details) - USD ($) $ in Thousands |
Jun. 30, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Operating Leases | ||
| Operating lease right-of-use assets gross | $ 131,166 | $ 144,029 |
| Less: Provision for impairment | (4,518) | |
| Operating lease right-of-use assets | 126,648 | 144,029 |
| Total lease liabilities | 81,937 | 94,182 |
| Land use rights | ||
| Operating Leases | ||
| Operating lease right-of-use assets | 45,755 | |
| Related party | ||
| Operating Leases | ||
| Operating lease liabilities-related parties | 1,625 | 1,028 |
| Operating lease liabilities, non-current | 4,025 | 10,729 |
| Nonrelated Party | ||
| Operating Leases | ||
| Operating lease liabilities, current | 11,493 | 14,094 |
| Operating lease liabilities, non-current | $ 64,794 | $ 68,331 |