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EMPLOYEE BENEFIT PLANS (Details 5) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
OTHER CHANGES IN PLAN ASSETS AND BENEFIT OBLIGATIONS RECOGNIZED IN OTHER COMPREHENSIVE LOSS      
Recognized loss [1],[2] $ 946 $ 799  
Pension Plans, Defined Benefit [Member]      
OTHER CHANGES IN PLAN ASSETS AND BENEFIT OBLIGATIONS RECOGNIZED IN OTHER COMPREHENSIVE LOSS      
Net (gain) loss 1,221 3,669 $ (2,832)
Recognized loss (1,386) (1,181) (1,375)
Recognized prior service cost 0 19 19
Recognized net initial asset 0 0 8
Total recognized in other comprehensive loss before tax effect (165) 2,507 (4,180)
Total recognized in net benefit cost and other comprehensive loss before tax effect $ 1,989 $ 5,023 $ (1,715)
[1] Amounts in parentheses indicate credits.
[2] These accumulated other comprehensive loss components are included in the computation of net periodic benefit cost (see Note 14 for additional details).