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EMPLOYEE RETIREMENT PLANS - Schedule of funded status (Details)	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Pension Plan
EMPLOYEE RETIREMENT PLANS
Discount rate for determining funded status	5.41%	2.83%
Supplemental Pension Plan
EMPLOYEE RETIREMENT PLANS
Discount rate for determining funded status	5.44%	2.86%

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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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- Definition

Percentage of plan assets to benefit obligation of defined benefit plan.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Period Type:	instant

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- Details

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Namespace Prefix:
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Period Type:

X

- Details

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Balance Type:
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