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RETIREMENT PLANS - Fair Value of Plan Assets by Investment Type (Details) - Pension Plan - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 9,063	$ 8,449	$ 11,125
Cash and Cash Equivalents \| Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	91	113
Collective Funds \| Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 8,972	$ 8,336

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

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