RELATED PARTY TRANSACTIONS - Expenses (Details) - Expenses - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Related Party Transaction [Line Items]
Expenses	$ 46.2	$ 65.4	$ 77.1
Dofcon | Dofcon
Related Party Transaction [Line Items]
Expenses	14.4	26.7	24.0
Jumbo Shipping | Equinor ASA
Related Party Transaction [Line Items]
Expenses	11.5	0.0	16.0
Serimax Holdings SAS | Dofcon
Related Party Transaction [Line Items]
Expenses	0.0	7.6	0.4
Magma Global Limited | Dofcon
Related Party Transaction [Line Items]
Expenses	0.0	8.8	14.0
Others | Others
Related Party Transaction [Line Items]
Expenses	$ 20.3	$ 22.3	$ 22.7