EMPLOYEE BENEFIT PLANS - Other Changes Recognized in Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Retirement Benefits [Abstract]
Net periodic cost	$ 10	$ 14
Current year actuarial (gain) loss	6	(2)
Amortization of transition obligation	(4)	(4)
Total recognized in other comprehensive income (loss)	2	(6)
Total recognized in comprehensive income	$ 12	$ 8

Amount recognized in net periodic benefit cost (credit) and other comprehensive (income) loss.

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Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan, attributable to parent.

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Amount, after tax, of gain (loss) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

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Amount, after tax, of reclassification adjustment from accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan.

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Amount, after tax, of reclassification adjustment from accumulated other comprehensive income (loss) for transition asset (obligation) of defined benefit plan.

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