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Securities (Gross Unrealized Losses And Fair Value Of The Bank's Investments) (Details) - USD ($) $ in Thousands | Sep. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Schedule of Available-for-sale Securities [Line Items] |  |
Fair Value, Less than 12 months | $ 25,953 | $ 38,514
Unrealized Losses, Less than 12 months | 524 | 2,575
Fair Value, More than 12 months | 20,931 |
Unrealized Losses, More than 12 months | 1,074 |
Fair Value, Total | 46,884 | 38,514
Unrealized Losses, Total | 1,598 | 2,575
US Treasuries [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Fair Value, Less than 12 months | 1,874 | 1,833
Unrealized Losses, Less than 12 months | 81 | 119
Fair Value, More than 12 months |  |
Unrealized Losses, More than 12 months |  |
Fair Value, Total | 1,874 | 1,833
Unrealized Losses, Total | 81 | 119
US Agency Obligations [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Fair Value, Less than 12 months, Held-to-maturity | 1,237 | 1,193
Unrealized Losses, Less than 12 months, Held-to-maturity | 40 | 91
Fair Value, More than 12 months, Held-to-maturity |  |
Unrealized Losses, More than 12 months, Held-to-maturity |  |
Fair Value, Total, Held-to-maturity | 1,237 | 1,193
Unrealized Losses, Total, Held-to-maturity | 40 | 91
Fair Value, Less than 12 months | 4,935 | 13,109
Unrealized Losses, Less than 12 months | 88 | 1,224
Fair Value, More than 12 months | 12,520 |
Unrealized Losses, More than 12 months | 709 |
Fair Value, Total | 17,455 | 13,109
Unrealized Losses, Total | 797 | 1,224
Mortgage-Backed Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Fair Value, Less than 12 months | 10,468 | 11,331
Unrealized Losses, Less than 12 months | 195 | 353
Fair Value, More than 12 months | 2,654 |
Unrealized Losses, More than 12 months | 32 |
Fair Value, Total | 13,122 | 11,331
Unrealized Losses, Total | 227 | 353
Municipals [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Fair Value, Less than 12 months | 5,461 | 7,170
Unrealized Losses, Less than 12 months | 67 | 534
Fair Value, More than 12 months | 3,742 |
Unrealized Losses, More than 12 months | 258 |
Fair Value, Total | 9,203 | 7,170
Unrealized Losses, Total | 325 | 534
Corporates [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Fair Value, Less than 12 months | 1,978 | 3,878
Unrealized Losses, Less than 12 months | 53 | 254
Fair Value, More than 12 months | 2,015 |
Unrealized Losses, More than 12 months | 75 |
Fair Value, Total | 3,993 | 3,878
Unrealized Losses, Total | $ 128 | $ 254

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