Annual report pursuant to Section 13 and 15(d)

EMPLOYEE BENEFIT PLANS (Details 4)

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EMPLOYEE BENEFIT PLANS (Details 4) - Defined benefit pension plan [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Defined Benefit Plan Disclosure [Line Items]    
Actual Contributions $ 10,000 $ 10,000
Expected contribution for 2018 [1] $ 10,000  
[1]

For 2018 , the Company will have the option to make a cash contribution to the plan or utilize pre-funding balances.