SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Government Grants (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| Accounting Policies [Abstract] | |||||
| RDEC credit | $ (0.6) | $ (0.4) | $ (0.8) | $ (1.1) | |
| RDEC, net position of tax receivable | $ 3.7 | $ 3.7 | $ 4.4 | ||