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Benefit Plans (Funded Status of Plan) (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Benefit Plans [Abstract]      
Projected benefit obligation $ (6,695) $ (6,583) $ (6,783)
Accumulated benefit obligation (6,695) (6,583)  
Fair value of plan assets 4,887 4,851 $ 5,197
Other liabilities (1,808) (1,732)  
Funded status (1,808) (1,732)  
Amounts recognized in accumulated other comprehensive loss consist of: Net loss 1,792 1,812  
Total $ 1,792 $ 1,812