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EMPLOYEE BENEFIT PLANS (Details 8) - Pension Plans, Defined Benefit [Member] - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Defined Benefit Plan, Information about Plan Assets [Abstract]      
Defined Benefit Plan, Plan Assets, Amount $ 38,478 $ 37,100 $ 30,671
Cash and cash equivalents | Fair Value, Inputs, Level 1 [Member]      
Defined Benefit Plan, Information about Plan Assets [Abstract]      
Defined Benefit Plan, Plan Assets, Amount 18,939 44  
Domestic equities | Fair Value, Inputs, Level 1 [Member]      
Defined Benefit Plan, Information about Plan Assets [Abstract]      
Defined Benefit Plan, Plan Assets, Amount 2,841 4,340  
International equities | Fair Value, Inputs, Level 1 [Member]      
Defined Benefit Plan, Information about Plan Assets [Abstract]      
Defined Benefit Plan, Plan Assets, Amount 0 1,322  
Mutual funds/ETFs | Fair Value, Inputs, Level 1 [Member]      
Defined Benefit Plan, Information about Plan Assets [Abstract]      
Defined Benefit Plan, Plan Assets, Amount 15,808 30,470  
Corporate bonds | Fair Value, Inputs, Level 2 [Member]      
Defined Benefit Plan, Information about Plan Assets [Abstract]      
Defined Benefit Plan, Plan Assets, Amount $ 890 $ 924