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Securities (Gross Unrealized Losses And Fair Value Of The Bank's Investments) (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Schedule of Available-for-sale Securities [Line Items] |  |
Fair Value, Less than 12 months | $ 1,982 | $ 12,395
Unrealized Losses, Less than 12 months | 15 | 218
Fair Value, More than 12 months | 1,592 | 24,399
Unrealized Losses, More than 12 months | 168 | 257
Fair Value, Total | 3,574 | 36,794
Unrealized Losses, Total | 183 | 475
US Treasuries [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 |  | 1,964
Unrealized Losses, More than 12 months |  | 2
Fair Value, Total |  | 1,964
Unrealized Losses, Total |  | 2
US Agency Obligations [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Fair Value, Less than 12 months, Held-to-maturity |  |
Unrealized Losses, Less than 12 months, Held-to-maturity |  |
Fair Value, More than 12 months, Held-to-maturity |  |
Unrealized Losses, More than 12 months, Held-to-maturity |  |
Fair Value, Total, Held-to-maturity |  |
Unrealized Losses, Total, Held-to-maturity |  |
Fair Value, Less than 12 months |  | 12,395
Unrealized Losses, Less than 12 months |  | 218
Fair Value, More than 12 months |  | 12,048
Unrealized Losses, More than 12 months |  | 115
Fair Value, Total |  | 24,443
Unrealized Losses, Total |  | 333
Mortgage-Backed Securities [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 | 648 | 6,609
Unrealized Losses, More than 12 months | 52 | 106
Fair Value, Total | 648 | 6,609
Unrealized Losses, Total | 52 | 106
Municipals [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 |  | 2,736
Unrealized Losses, More than 12 months |  | 13
Fair Value, Total |  | 2,736
Unrealized Losses, Total |  | 13
Corporates [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Fair Value, Less than 12 months | 1,982 |
Unrealized Losses, Less than 12 months | 15 |
Fair Value, More than 12 months | 944 | 1,042
Unrealized Losses, More than 12 months | 116 | 21
Fair Value, Total | 2,926 | 1,042
Unrealized Losses, Total | $ 131 | $ 21

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