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Securities Available For Sale (Summary Of Securities Available For Sale) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Schedule of Available for sale Securities [Line Items]
Available for Sale, Amortized Cost	$ 460,832	$ 461,635
Available for Sale, Gross Unrealized Gains	11,379	7,165
Available for Sale, Gross Unrealized Losses	5,277	18,630
Available for Sale, Estimated Fair Value	466,934	450,170
US Government-Sponsored Enterprises [Member]
Schedule of Available for sale Securities [Line Items]
Available for Sale, Amortized Cost	280,238	277,838
Available for Sale, Gross Unrealized Gains	5,578	4,386
Available for Sale, Gross Unrealized Losses	3,807	8,592
Available for Sale, Estimated Fair Value	282,009	273,632
US Government Agency [Member]
Schedule of Available for sale Securities [Line Items]
Available for Sale, Amortized Cost	84,628	83,153
Available for Sale, Gross Unrealized Gains	1,252	833
Available for Sale, Gross Unrealized Losses	982	2,457
Available for Sale, Estimated Fair Value	84,898	81,529
Private Label Mortgage-Backed Securities [Member]
Schedule of Available for sale Securities [Line Items]
Available for Sale, Amortized Cost	3,943	5,423
Available for Sale, Gross Unrealized Gains	832	825
Available for Sale, Gross Unrealized Losses	5	78
Available for Sale, Estimated Fair Value	4,770	6,170
Obligations Of States And Political Subdivisions Thereof [Member]
Schedule of Available for sale Securities [Line Items]
Available for Sale, Amortized Cost	92,023	95,221
Available for Sale, Gross Unrealized Gains	3,717	1,121
Available for Sale, Gross Unrealized Losses	483	7,503
Available for Sale, Estimated Fair Value	$ 95,257	$ 88,839

X

- 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=28360136&loc=d3e22054-111558



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-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=6871852&loc=d3e26610-111562

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X

- 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

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X

- Definition

Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

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-Section 50

-Paragraph 2

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- Definition

Amount of unrealized loss before deducting unrealized gain on investments in available-for-sale securities.

+ 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)

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