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EMPLOYEE BENEFIT PLANS (Details 8) - Pension Plans, Defined Benefit [Member] - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Defined Benefit Plan, Information about Plan Assets [Abstract]      
Defined Benefit Plan, Fair Value of Plan Assets $ 30,671 $ 28,429 $ 27,367
Cash and cash equivalents | Fair Value, Inputs, Level 1 [Member]      
Defined Benefit Plan, Information about Plan Assets [Abstract]      
Defined Benefit Plan, Fair Value of Plan Assets 2,454 1,611  
Domestic equities | Fair Value, Inputs, Level 1 [Member]      
Defined Benefit Plan, Information about Plan Assets [Abstract]      
Defined Benefit Plan, Fair Value of Plan Assets 3,067 1,978  
International equities | Fair Value, Inputs, Level 1 [Member]      
Defined Benefit Plan, Information about Plan Assets [Abstract]      
Defined Benefit Plan, Fair Value of Plan Assets 307 397  
Mutual funds/ETFs | Fair Value, Inputs, Level 1 [Member]      
Defined Benefit Plan, Information about Plan Assets [Abstract]      
Defined Benefit Plan, Fair Value of Plan Assets 23,310 21,396  
Corporate bonds [Member] | Fair Value, Inputs, Level 2 [Member]      
Defined Benefit Plan, Information about Plan Assets [Abstract]      
Defined Benefit Plan, Fair Value of Plan Assets $ 1,533 $ 3,047