PENSION AND OTHER POSTRETIREMENT PLANS - Amounts Recognized in Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Net actuarial loss	$ (194)	$ (475)	$ (110)
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Net actuarial loss	538	852
SERP Benefits
Defined Benefit Plan Disclosure [Line Items]
Net actuarial loss	$ 487	$ 431

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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