EMPLOYEE BENEFIT PLANS - Projected Benefit Obligation and Fair Value of Plan Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Projected benefit obligation:
Balance, beginning of year	$ 370	$ 319
Service cost	49	47
Interest cost	1	1
Liability (gain) loss	(4)	6
Benefits paid to participants	(171)	(30)
Defined Benefit Plan, Benefit Obligation, Special and Contractual Termination Benefits	0	8
Foreign currency	(32)	19
Balance, end of year	213	370
Plan assets:
Fair value, beginning of year	0	0
Company contributions	171	30
Benefits paid to participants	(171)	(30)
Fair value, end of year	$ 0	$ 0