SHARE-BASED COMPENSATION - Schedule of Share-Based Compensation Expenses (Details) - Employees and non-employee directors - USD ($) $ in Thousands |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| SHARE-BASED COMPENSATION | ||
| Share-based compensation expenses | $ 6,796 | $ 572 |
| Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense | ||
| SHARE-BASED COMPENSATION | ||
| Share-based compensation expenses | 6,455 | 637 |
| Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense | ||
| SHARE-BASED COMPENSATION | ||
| Share-based compensation expenses | $ 341 | $ (65) |