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RETIREMENT PLANS (Fair Value Measurements) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at measurement date	$ 50,218	$ 45,337	$ 44,292
Equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at measurement date	32,909	24,542
Debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at measurement date	15,441	14,568
Real estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at measurement date	1,868	6,227
Level 1 | Equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at measurement date	2,543	1,963
Level 1 | Debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at measurement date	0	0
Level 1 | Real estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at measurement date	0	0
Level 2 | Equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at measurement date	30,366	22,579
Level 2 | Debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at measurement date	15,441	14,568
Level 2 | Real estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at measurement date	1,868	6,227
Level 3 | Equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at measurement date	0	0
Level 3 | Debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at measurement date	0	0
Level 3 | Real estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at measurement date	$ 0	$ 0

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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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
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