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RETIREMENT PLANS (Fair Value Measurements) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 44,292	$ 39,680	$ 42,439
Equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	20,098	25,150
Debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	18,516	13,376
Real estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5,678	1,154
Level 1 | Equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2,854	2,882
Level 1 | Debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Level 1 | Real estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Level 2 | Equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	17,244	22,268
Level 2 | Debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	18,516	13,376
Level 2 | Real estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5,678	1,154
Level 3 | Equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Level 3 | Debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Level 3 | Real estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 0	$ 0

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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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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
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