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PENSION AND SUPPLEMENTAL EXECUTIVE RETIREMENT PLANS PENSION AND SUPPLEMENTAL EXECUTIVE RETIREMENT PLANS (Defined Benefit Retirement Plan) (Details) - Pension Plan - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
PENSION AND SUPPLEMENTAL EXECUTIVE RETIREMENT PLANS |  |
Consecutive period of service considered for highest average annual salaries for calculation of benefits under the reactivated plan | 60 months |
Increase in unrecognized prior service cost due to reactivation of the plan | $ 5,900 |
Amortization period of increase in prior service cost | 13 years |
Settlement expense | $ 0 | $ 0

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- Definition Represents the consecutive period of service considered for highest average annual salaries for calculation of benefits under the reactivated plan. + References No definition available. + Details
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- Definition Define Benefit Plant Termination, Settlement Expense + References No definition available. + Details
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- Definition Represents the change in unrecognized net prior service costs or credit due to reactivation of the plan. + References No definition available. + Details
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- Definition Represents the period to amortize the net prior service cost or credit. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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