RETIREMENT BENEFIT PLAN (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Contribution Plan Disclosure [Line Items]
Employer contribution amount	$ 4.0	$ 3.9	$ 3.8
Tranche One
Defined Contribution Plan Disclosure [Line Items]
Percentage of employer matching	100.00%
Defined contribution plan automatic enrollment percent	3.00%
Tranche Two
Defined Contribution Plan Disclosure [Line Items]
Percentage of employer matching	50.00%
Defined contribution plan automatic enrollment percent	2.00%