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Securities (Fair Value And Gross Unrealized Losses For Securities Available For Sale) (Details) - USD ($) $ in Thousands | Jun. 30, 2018 | Dec. 31, 2017
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Schedule of Available-for-sale Securities [Line Items] |  |
Fair Value, Less than 12 months | $ 83,494 | $ 20,411
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 2,277 | 144
Fair Value, 12 months or more | 27,651 | 30,433
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 1,511 | 646
Fair Value, Total | 111,145 | 50,844
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | 3,788 | 790
Obligations Of U.S. Government Corporations And Agencies [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Fair Value, Less than 12 months | 8,175 | 4,455
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 253 | 58
Fair Value, 12 months or more | 7,485 | 7,810
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 425 | 200
Fair Value, Total | 15,660 | 12,265
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | 678 | 258
Mortgage-Backed Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Fair Value, Less than 12 months | 56,713 | 11,885
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 1,443 | 59
Fair Value, 12 months or more | 16,125 | 17,931
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 806 | 287
Fair Value, Total | 72,838 | 29,816
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | 2,249 | 346
Obligations Of States And Political Subdivisions [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Fair Value, Less than 12 months | 18,606 | 4,071
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 581 | 27
Fair Value, 12 months or more | 4,041 | 4,692
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 280 | 159
Fair Value, Total | 22,647 | 8,763
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | $ 861 | $ 186

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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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