SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Equity Method Investments (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Accounting Policies [Abstract] | |||
| Downward price adjustment related to revaluation of investments | $ (8.4) | $ (4.6) | |
| Upward price adjustment related to revaluation of investments | $ 0.5 | ||