PENSION PLAN AND OTHER BENEFIT PLANS - Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Net actuarial loss	$ 4,833	$ 8,602
Prior service cost	0	0
Total before tax effects	4,833	8,602
Defined Benefit Health Care Plan
Defined Benefit Plan Disclosure [Line Items]
Net actuarial loss	208	286
Prior service cost	0	(220)
Total before tax effects	208	66
Executive Supplemental Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Net actuarial loss	339	359
Prior service cost	0	0
Total before tax effects	$ 339	$ 359