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Pension and Other Benefits (Details) - Schedule of Net Periodic Pension Expense - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Schedule of Net Periodic Pension Expense [Abstract]      
Interest cost $ 478 $ 514 $ 519
Expected return on plan assets (640) (617) (562)
Net amortization 412 407 433
Recognized settlement loss 650
Total net periodic pension expense 250 304 1,040
Total gain recognized in other comprehensive income (410) (405) (918)
Total recognized in net periodic expense and other comprehensive income (before tax) $ (160) $ (101) $ 122