GRANT INCOME (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | 12 Months Ended | 15 Months Ended | |||
|---|---|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
Dec. 31, 2024 |
Mar. 31, 2026 |
|
| Government Assistance [Abstract] | |||||||
| Grant income netted against research and development expense | $ 0.8 | $ 0.0 | $ 0.9 | $ 0.0 | |||
| Grant income netted against construction-in-progress | $ 20.7 | $ 14.1 | |||||
| Grant awarded during period | $ 22.1 | $ 0.7 | |||||