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EMPLOYEE BENEFIT PLANS (Details 11) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Deferred Compensation Plan Assets $ 24,485 $ 22,229
Fair Value, Inputs, Level 1 [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Deferred Compensation Plan Assets 25 71
Fair Value, Inputs, Level 2 [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Deferred Compensation Plan Assets
Fair Value, Inputs, Level 3 [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Deferred Compensation Plan Assets $ 24,460 $ 22,158