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Securities (Amortized Costs And Fair Values Of Securities Available For Sale) (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Schedule of Available-for-sale Securities [Line Items]    
Amortized Cost $ 145,288 $ 132,228
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax 236 1,128
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax (5,124) (790)
Securities available for sale, at fair value 140,400 132,566
Obligations Of U.S. Government Corporations And Agencies [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Amortized Cost 22,184 21,565
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax 9 213
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax (868) (258)
Securities available for sale, at fair value 21,325 21,520
Mortgage-Backed Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Amortized Cost 76,110 61,464
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax 0 126
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax (3,161) (346)
Securities available for sale, at fair value 72,949 61,244
Obligations Of States And Political Subdivisions [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Amortized Cost 46,994 49,199
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax 227 789
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax (1,095) (186)
Securities available for sale, at fair value $ 46,126 $ 49,802