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Securities (Fair Value And Gross Unrealized Losses For Securities Available For Sale) (Details) - USD ($) $ in Thousands | Sep. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Schedule of Available-for-sale Securities [Line Items] |  |
Fair Value, Less than 12 months | $ 26,045 | $ 63,965
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 284 | 1,327
Fair Value, 12 months or more | 8,653 | 0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 250 | 0
Fair Value, Total | 34,698 | 63,965
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | 534 | 1,327
Obligations Of U.S. Government Corporations And Agencies [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Fair Value, Less than 12 months | 6,412 | 19,129
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 84 | 279
Fair Value, 12 months or more | 2,923 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 91 |
Fair Value, Total | 9,335 | 19,129
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | 175 | 279
Mortgage-Backed Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Fair Value, Less than 12 months | 16,145 | 28,013
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 144 | 456
Fair Value, 12 months or more | 2,611 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 73 |
Fair Value, Total | 18,756 | 28,013
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | 217 | 456
Obligations Of States And Political Subdivisions [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Fair Value, Less than 12 months | 3,488 | 16,823
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 56 | 592
Fair Value, 12 months or more | 3,119 | 0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 86 | 0
Fair Value, Total | 6,607 | 16,823
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | $ 142 | $ 592

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- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563 + Details
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