Other Real Estate Owned (Schedule of Real Estate Properties Comprising OREO) (Details) - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Total OREO $ 8,503 $ 10,141
Commercial Real Estate OREO [Member]    
Total OREO 3,657 3,605
Acquisition and Development [Member]    
Total OREO 4,033 5,295
Commercial and Industrial [Member]    
Total OREO 24 24
Residential Mortgage [Member]    
Total OREO $ 789 $ 1,217