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COMMITMENTS AND CONTINGENCIES - Schedule of Future Minimum Lease Payments (Details)
$ in Millions
Dec. 31, 2020
USD ($)
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]  
2021 $ 1.5
2022 1.5
2023 0.8
2024 0.5
2025 0.4
Thereafter 32.4
Total undiscounted rental payments $ 37.1