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Securities Available For Sale (Summary Of Securities Available For Sale) (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
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Schedule of Available for sale Securities [Line Items] |  |
Available for Sale, Amortized Cost | $ 496,179 | $ 458,370
Available for Sale, Gross Unrealized Gains | 11,831 | 14,487
Available for Sale, Gross Unrealized Losses | 3,041 | 2,332
Available for Sale, Estimated Fair Value | 504,969 | 470,525
US Government-Sponsored Enterprises [Member] |  |
Schedule of Available for sale Securities [Line Items] |  |
Available for Sale, Amortized Cost | 304,106 | 282,217
Available for Sale, Gross Unrealized Gains | 5,042 | 7,530
Available for Sale, Gross Unrealized Losses | 2,155 | 1,537
Available for Sale, Estimated Fair Value | 306,993 | 288,210
US Government Agency [Member] |  |
Schedule of Available for sale Securities [Line Items] |  |
Available for Sale, Amortized Cost | 78,408 | 82,249
Available for Sale, Gross Unrealized Gains | 1,269 | 1,626
Available for Sale, Gross Unrealized Losses | 547 | 529
Available for Sale, Estimated Fair Value | 79,130 | 83,346
Private Label [Member] |  |
Schedule of Available for sale Securities [Line Items] |  |
Available for Sale, Amortized Cost | 2,713 | 3,723
Available for Sale, Gross Unrealized Gains | 762 | 815
Available for Sale, Gross Unrealized Losses | 11 | 14
Available for Sale, Estimated Fair Value | 3,464 | 4,524
Obligations Of States And Political Subdivisions Thereof [Member] |  |
Schedule of Available for sale Securities [Line Items] |  |
Available for Sale, Amortized Cost | 110,952 | 90,181
Available for Sale, Gross Unrealized Gains | 4,758 | 4,516
Available for Sale, Gross Unrealized Losses | 328 | 252
Available for Sale, Estimated Fair Value | $ 115,382 | $ 94,445

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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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