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PENSION PLAN AND OTHER BENEFIT PLANS - Fair Value Plan Assets By Asset Class (Details) - Pension Plan - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 52,987	$ 50,134	$ 45,557
Carrying Amount
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	52,987	50,134
Fair Value | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	52,987	50,134
Fair Value | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Cash | Carrying Amount
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2,270	2,047
Cash | Fair Value | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2,270	2,047
Cash | Fair Value | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Cash | Fair Value | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Equity Securities - U.S. Companies | Carrying Amount
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	21,927	21,716
Equity Securities - U.S. Companies | Fair Value | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	21,927	21,716
Equity Securities - U.S. Companies | Fair Value | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Equity Securities - U.S. Companies | Fair Value | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Mutual funds | Carrying Amount
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	26,345	23,778
Mutual funds | Fair Value | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	26,345	23,778
Mutual funds | Fair Value | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Mutual funds | Fair Value | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S. Treasuries/Government bonds | Carrying Amount
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2,181	2,318
U.S. Treasuries/Government bonds | Fair Value | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2,181	2,318
U.S. Treasuries/Government bonds | Fair Value | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S. Treasuries/Government bonds | Fair Value | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S. Corporate bonds | Carrying Amount
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	264	275
U.S. Corporate bonds | Fair Value | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	264	275
U.S. Corporate bonds | Fair Value | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S. Corporate bonds | Fair Value | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 0	$ 0

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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.

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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.

+ References

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