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Pension and Other Benefits (Details) - Schedule of Changes in Projected Benefit Obligations - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Change in Benefit Obligation:      
Projected benefit obligation at beginning of year $ 12,682 $ 13,068  
Interest cost 478 514 $ 519
Actuarial (gain) loss 642 216  
Benefits paid  
Settlements (910) (1,116)  
Projected benefit obligation at end of year 12,892 12,682 13,068
Change in Plan Assets:      
Fair value of plan assets at beginning year 12,002 10,287  
Actual return on plan assets 1,517 831  
Employer contributions 2,000  
Benefits paid  
Settlements (910) (1,116)  
Fair value of plan assets at end of year 12,609 12,002 $ 10,287
Funded status $ (283) $ (680)