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Investments (Gross Unrealized Losses And Fair Value Of The Bank's Investments) (Details) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2013 | Dec. 31, 2012
--- | --- | ---
Gain (Loss) on Investments [Line Items] |  |
Fair Value, Less than 12 months | $ 37,901 | $ 10,995
Unrealized Losses, Less than 12 months | 3,295 | 170
Fair Value, More than 12 months | 946 |
Unrealized Losses, More than 12 months | 117 |
Fair Value, Total | 38,847 | 10,995
Unrealized Losses, Total | 3,412 | 170
US Treasuries [Member] |  |
Gain (Loss) on Investments [Line Items] |  |
Fair Value, Less than 12 months | 3,699 |
Unrealized Losses, Less than 12 months | 206 |
Fair Value, More than 12 months |  |
Unrealized Losses, More than 12 months |  |
Fair Value, Total | 3,699 |
Unrealized Losses, Total | 206 |
US Agency Obligations [Member] |  |
Gain (Loss) on Investments [Line Items] |  |
Fair Value, Less than 12 months | 16,274 | 9,116
Unrealized Losses, Less than 12 months | 2,095 | 95
Fair Value, More than 12 months |  |
Unrealized Losses, More than 12 months |  |
Fair Value, Total | 16,274 | 9,116
Unrealized Losses, Total | 2,095 | 95
Mortgage-Backed Securities [Member] |  |
Gain (Loss) on Investments [Line Items] |  |
Fair Value, Less than 12 months | 4,833 |
Unrealized Losses, Less than 12 months | 153 |
Fair Value, More than 12 months |  |
Unrealized Losses, More than 12 months |  |
Fair Value, Total | 4,833 |
Unrealized Losses, Total | 153 |
Municipals [Member] |  |
Gain (Loss) on Investments [Line Items] |  |
Fair Value, Less than 12 months | 11,206 | 1,879
Unrealized Losses, Less than 12 months | 718 | 75
Fair Value, More than 12 months | 946 |
Unrealized Losses, More than 12 months | 117 |
Fair Value, Total | 12,152 | 1,879
Unrealized Losses, Total | 835 | 75
Other (Corporates) [Member] |  |
Gain (Loss) on Investments [Line Items] |  |
Fair Value, Less than 12 months | 1,889 |
Unrealized Losses, Less than 12 months | 123 |
Fair Value, More than 12 months |  |
Unrealized Losses, More than 12 months |  |
Fair Value, Total | 1,889 |
Unrealized Losses, Total | $ 123 |

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