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SUPPLEMENTAL FINANCIAL STATEMENTS INFORMATION - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]          
Depreciation $ 11.5   $ 9.4 $ 24.1 $ 19.7
Milestone payments received   $ 10.0