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EMPLOYEE BENEFIT PLANS - Components of Cost (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Components of net periodic benefit cost (credit) |  |  |
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income | Other, net | Other, net | Other, net
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Amortization of Prior Service Cost (Credit), Statement of Income or Comprehensive Income | Other, net | Other, net | Other, net
Pension settlement expense |  |  | $ 89
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Settlement Gain (Loss), Statement of Income or Comprehensive Income | Other, net | Other, net | Other, net
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income | Other, net | Other, net | Other, net
Supplemental Benefit Plan |  |  |
Components of net periodic benefit cost (credit) |  |  |
Interest cost | $ 7 | $ 4 | $ 9
Pension settlement expense |  |  | 89
Amortization of net actuarial (gain) loss | 8 | 9 | 8
Net periodic benefit cost (credit) | 15 | 13 | 106
Postretirement Health Benefit Plan |  |  |
Components of net periodic benefit cost (credit) |  |  |
Service cost | 156 | 192 | 187
Interest cost | 441 | 427 | 576
Amortization of prior service credit |  |  | (1)
Amortization of net actuarial (gain) loss | (765) | (548) | (597)
Net periodic benefit cost (credit) | $ (168) | $ 71 | $ 165

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