EMPLOYEE BENEFIT PLANS - Components of Net Period Benefit Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Retirement Benefits [Abstract]
Service cost	$ 49	$ 47
Interest cost	1	1
Amortization of transition obligation	4	4
Defined Benefit Plan, Amortization of Gain (Loss)	(4)	(6)
Defined Benefit Plan, Benefit Obligation, Special and Contractual Termination Benefits	0	8
Prior service cost	(43)	(44)
Total pension expense	$ 7	$ 10