EMPLOYEE BENEFIT PLANS - Schedule of Net Pension Cost (Credit) (Details) - United Kingdom - Pension Plan - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 390	$ 326	$ 813	$ 648
Expected return on plan assets	(582)	(509)	(1,211)	(1,012)
Amortization of prior service cost	8	9	16	17
Net periodic pension credit	$ (184)	$ (174)	$ (382)	$ (347)