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Securities Available For Sale (Summary Of Securities Available For Sale) (Details) - USD ($) $ in Thousands | Sep. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Schedule of Available for sale Securities [Line Items] |  |
Available for Sale, Amortized Cost | $ 490,477 | $ 458,370
Available for Sale, Gross Unrealized Gains | 13,887 | 14,487
Available for Sale, Gross Unrealized Losses | 1,684 | 2,332
Available for Sale, Estimated Fair Value | 502,680 | 470,525
US Government-Sponsored Enterprises [Member] |  |
Schedule of Available for sale Securities [Line Items] |  |
Available for Sale, Amortized Cost | 295,647 | 282,217
Available for Sale, Gross Unrealized Gains | 7,750 | 7,530
Available for Sale, Gross Unrealized Losses | 831 | 1,537
Available for Sale, Estimated Fair Value | 302,566 | 288,210
US Government Agency [Member] |  |
Schedule of Available for sale Securities [Line Items] |  |
Available for Sale, Amortized Cost | 82,213 | 82,249
Available for Sale, Gross Unrealized Gains | 1,734 | 1,626
Available for Sale, Gross Unrealized Losses | 270 | 529
Available for Sale, Estimated Fair Value | 83,677 | 83,346
Private Label Mortgage-Backed Securities [Member] |  |
Schedule of Available for sale Securities [Line Items] |  |
Available for Sale, Amortized Cost | 2,968 | 3,723
Available for Sale, Gross Unrealized Gains | 782 | 815
Available for Sale, Gross Unrealized Losses | 8 | 14
Available for Sale, Estimated Fair Value | 3,742 | 4,524
Obligations Of States And Political Subdivisions Thereof [Member] |  |
Schedule of Available for sale Securities [Line Items] |  |
Available for Sale, Amortized Cost | 109,649 | 90,181
Available for Sale, Gross Unrealized Gains | 3,621 | 4,516
Available for Sale, Gross Unrealized Losses | 575 | 252
Available for Sale, Estimated Fair Value | $ 112,695 | $ 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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