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Securities (Gross Unrealized Losses And Fair Value Of The Bank's Investments) (Details) - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Schedule of Available-for-sale Securities [Line Items]    
Fair Value, Less than 12 months $ 12,262 $ 19,090
Unrealized Losses, Less than 12 months 608 282
Fair Value, More than 12 months 40,122 33,535
Unrealized Losses, More than 12 months 2,577 1,601
Fair Value, Total 52,384 52,625
Unrealized Losses, Total 3,185 1,883
US Treasuries [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Fair Value, More than 12 months 1,810 1,858
Unrealized Losses, More than 12 months 149 98
Fair Value, Total 1,810 1,858
Unrealized Losses, Total 149 98
US Agency Obligations [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Fair Value, Less than 12 months, Held-to-maturity 2,436 2,367
Unrealized Losses, Less than 12 months, Held-to-maturity 167 70
Fair Value, More than 12 months, Held-to-maturity 1,270 1,243
Unrealized Losses, More than 12 months, Held-to-maturity 91 32
Fair Value, Total, Held-to-maturity 3,706 3,610
Unrealized Losses, Total, Held-to-maturity 258 102
Fair Value, Less than 12 months 11,086 11,465
Unrealized Losses, Less than 12 months 567 215
Fair Value, More than 12 months 11,995 12,379
Unrealized Losses, More than 12 months 1,152 821
Fair Value, Total 23,081 23,844
Unrealized Losses, Total 1,719 1,036
Mortgage-Backed Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Fair Value, Less than 12 months 963 2,802
Unrealized Losses, Less than 12 months 31 26
Fair Value, More than 12 months 11,236 9,712
Unrealized Losses, More than 12 months 495 250
Fair Value, Total 12,199 12,514
Unrealized Losses, Total 526 276
Municipals [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Fair Value, Less than 12 months 213 4,823
Unrealized Losses, Less than 12 months 10 41
Fair Value, More than 12 months 11,305 5,644
Unrealized Losses, More than 12 months 448 257
Fair Value, Total 11,518 10,467
Unrealized Losses, Total 458 298
Corporates [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Fair Value, Less than 12 months
Unrealized Losses, Less than 12 months
Fair Value, More than 12 months 3,776 3,942
Unrealized Losses, More than 12 months 333 175
Fair Value, Total 3,776 3,942
Unrealized Losses, Total $ 333 $ 175