Loans And Allowance For Loan Losses (Schedule Of Allowance For Loan Losses By Portfolio Segment) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2014	Mar. 31, 2013
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	$ 8,475	$ 8,097
Charged off	(228)	(429)
Recoveries	18	34
Provision	457	353
Ending Balance	8,722	8,055
Amount for loans individually evaluated for impairment	545	120
Amount for loans collectively evaluated for impairment	8,177	7,935
Loans individually evaluated for impairment	5,085	4,856
Loans collectively evaluated for impairment	861,725	812,888
Commercial Real Estate Mortgages [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	4,825	4,320
Recoveries	6
Provision	(96)	93
Ending Balance	4,735	4,413
Amount for loans individually evaluated for impairment	86	75
Amount for loans collectively evaluated for impairment	4,649	4,338
Loans individually evaluated for impairment	2,056	1,633
Loans collectively evaluated for impairment	324,554	314,028
Commercial And Industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	1,266	1,026
Charged off	(11)	(164)
Recoveries	2	10
Provision	397	139
Ending Balance	1,654	1,011
Amount for loans individually evaluated for impairment	459
Amount for loans collectively evaluated for impairment	1,195	1,011
Loans individually evaluated for impairment	1,256	632
Loans collectively evaluated for impairment	79,846	77,411
Commercial Construction And Land Development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	314	515
Provision	(83)	(175)
Ending Balance	231	340
Amount for loans individually evaluated for impairment		45
Amount for loans collectively evaluated for impairment	231	295
Loans individually evaluated for impairment	1,714	2,029
Loans collectively evaluated for impairment	10,753	13,494
Agriculture And Other Loans To Farmers [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	335	303
Charged off	(14)
Recoveries		1
Provision	29	33
Ending Balance	350	337
Amount for loans collectively evaluated for impairment	350	337
Loans individually evaluated for impairment	59	562
Loans collectively evaluated for impairment	28,077	25,837
Residential Real Estate Mortgages [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	1,166	1,330
Charged off	(168)	(228)
Recoveries	1
Provision	129	252
Ending Balance	1,128	1,354
Amount for loans collectively evaluated for impairment	1,128	1,354
Loans collectively evaluated for impairment	337,799	296,017
Consumer Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	137	207
Charged off	(17)	(28)
Recoveries	9	5
Provision	77	13
Ending Balance	206	197
Amount for loans collectively evaluated for impairment	206	197
Loans collectively evaluated for impairment	13,946	18,025
Home Equity Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	264	255
Charged off	(18)	(9)
Recoveries		18
Provision	(7)
Ending Balance	239	264
Amount for loans collectively evaluated for impairment	239	264
Loans collectively evaluated for impairment	49,199	52,965
Tax Exempt [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	168	141
Provision	11	(2)
Ending Balance	179	139
Amount for loans collectively evaluated for impairment	179	139
Loans collectively evaluated for impairment	$ 17,551	$ 15,111

A valuation allowance for financing receivables that are expected to be uncollectible.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

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-Section 50

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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Amount of recovery of financing receivables doubtful of collection that were previously charged off.

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Amount of direct write-downs of financing receivables charged against the allowance.

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The balance of financing receivables that were collectively evaluated for impairment.

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The sum of the periodic provision charged to earnings, based on an assessment of uncollectibility from the counterparty on account of loan, lease or other credit losses, to reduce these accounts to the amount that approximates their net realizable value.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 28

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Name Regulation S-X (SX)

-Number 210

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-Article 9

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-Publisher AICPA

-Name Audit and Accounting Guide (AAG)

-Number AAG-DEP

-Paragraph 168, 169, 170

-IssueDate 2006-05-01

-Chapter 5

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