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Securities Available For Sale (Summary Of Securities Available For Sale) (Details) - USD ($) $ in Thousands | Jun. 30, 2016 | Dec. 31, 2015
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Schedule of Available for sale Securities [Line Items] |  |
Available for Sale, Amortized Cost | $ 515,182 | $ 496,179
Available for Sale, Gross Unrealized Gains | 18,012 | 11,831
Available for Sale, Gross Unrealized Losses | 604 | 3,041
Available for Sale, Estimated Fair Value | 532,590 | 504,969
US Government-Sponsored Enterprises [Member] |  |
Schedule of Available for sale Securities [Line Items] |  |
Available for Sale, Amortized Cost | 323,684 | 304,106
Available for Sale, Gross Unrealized Gains | 9,693 | 5,042
Available for Sale, Gross Unrealized Losses | 397 | 2,155
Available for Sale, Estimated Fair Value | 332,980 | 306,993
US Government Agencies [Member] |  |
Schedule of Available for sale Securities [Line Items] |  |
Available for Sale, Amortized Cost | 80,472 | 78,408
Available for Sale, Gross Unrealized Gains | 1,993 | 1,269
Available for Sale, Gross Unrealized Losses | 97 | 547
Available for Sale, Estimated Fair Value | 82,368 | 79,130
Private Label [Member] |  |
Schedule of Available for sale Securities [Line Items] |  |
Available for Sale, Amortized Cost | 1,128 | 2,713
Available for Sale, Gross Unrealized Gains | 218 | 762
Available for Sale, Gross Unrealized Losses | 19 | 11
Available for Sale, Estimated Fair Value | 1,327 | 3,464
Obligations Of States And Political Subdivisions Thereof [Member] |  |
Schedule of Available for sale Securities [Line Items] |  |
Available for Sale, Amortized Cost | 109,898 | 110,952
Available for Sale, Gross Unrealized Gains | 6,108 | 4,758
Available for Sale, Gross Unrealized Losses | 91 | 328
Available for Sale, Estimated Fair Value | $ 115,915 | $ 115,382

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- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51813488&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49167202&loc=d3e26610-111562 + Details
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- Definition Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
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- Definition Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
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- Definition This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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