STAFF COSTS (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Total staff costs
Staff costs	$ 11.4	$ 13.5	$ 24.5	$ 27.2	$ 52.1
Operating expenses
Total staff costs
Staff costs	1.9	2.4	4.2	4.8	9.7
Administrative expenses
Total staff costs
Staff costs	$ 9.5	$ 11.1	$ 20.3	$ 22.4	$ 42.4

The expense of all forms of consideration given by an entity in exchange for a service rendered by employees or for the termination of employment.

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