RELATED PARTY TRANSACTIONS - Expenses (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Related Party Transaction [Line Items]
Expenses	$ 32.5	$ 8.6	$ 60.6	$ 36.4
Dofcon Navegacao
Related Party Transaction [Line Items]
Expenses	8.3	5.2	21.3	17.0
Magma Global Limited | Equity Method Investee
Related Party Transaction [Line Items]
Expenses	5.1	1.0	9.2	2.6
Altus Intervention | Other Affiliates
Related Party Transaction [Line Items]
Expenses	2.2	1.5	5.0	2.6
Others | Other Affiliates
Related Party Transaction [Line Items]
Expenses	$ 16.9	$ 0.9	$ 25.1	$ 14.2