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Employee Benefit Plans, Schedule of Net Periodic Benefit Cost Not Yet Recognized (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
General Discussion of Pension and Other Postretirement Benefits [Abstract]    
Unamortized net actuarial loss $ (156) $ (240)
Deferred tax benefit at 35% 54 84
Net unrecognized post-retirement benefits included in accumulated other comprehensive income (loss) (102) $ (156)
Portion to Be Recognized in Income in 2017    
Unamortized net actuarial loss  
Deferred tax benefit at 35% 0  
Net unrecognized post-retirement benefits included in accumulated other comprehensive income (loss) $ 0