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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
	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

X

- 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

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No definition available.

+ Details

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Balance Type:	debit
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- Definition

Represents the change in unrecognized net prior service costs or credit due to reactivation of the plan.

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No definition available.

+ Details

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- Definition

Represents the period to amortize the net prior service cost or credit.

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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.

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No definition available.

+ Details

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- Details

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