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, 2015	Mar. 31, 2014
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	$ 8,969	$ 8,475
Charged off	(169)	(228)
Recoveries	183	18
Provision	495	457
Ending Balance	9,478	8,722
Amount for loans individually evaluated for impairment	909	545
Amount for loans collectively evaluated for impairment	8,569	8,177
Loans individually evaluated for impairment	6,091	5,085
Loans collectively evaluated for impairment	933,629	861,725
Commercial Real Estate Mortgages [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	4,468	4,825
Charged off	(25)
Recoveries	34	6
Provision	23	(96)
Ending Balance	4,500	4,735
Amount for loans individually evaluated for impairment	669	86
Amount for loans collectively evaluated for impairment	3,831	4,649
Loans individually evaluated for impairment	3,687	2,056
Loans collectively evaluated for impairment	339,496	324,554
Commercial And Industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	929	1,266
Charged off	(75)	(11)
Recoveries	1	2
Provision	219	397
Ending Balance	1,074	1,654
Amount for loans individually evaluated for impairment	200	459
Amount for loans collectively evaluated for impairment	874	1,195
Loans individually evaluated for impairment	578	1,256
Loans collectively evaluated for impairment	81,919	79,846
Commercial Construction And Land Development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	145	314
Provision	(38)	(83)
Ending Balance	107	231
Amount for loans collectively evaluated for impairment	107	231
Loans individually evaluated for impairment	1,260	1,714
Loans collectively evaluated for impairment	24,465	10,753
Agriculture And Other Loans To Farmers [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	277	335
Charged off	(18)	(14)
Recoveries	12
Provision	63	29
Ending Balance	334	350
Amount for loans individually evaluated for impairment	39
Amount for loans collectively evaluated for impairment	295	350
Loans individually evaluated for impairment	168	59
Loans collectively evaluated for impairment	31,380	28,077
Residential Real Estate Mortgages [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	2,714	1,166
Charged off		(168)
Recoveries	129	1
Provision	32	129
Ending Balance	2,875	1,128
Amount for loans collectively evaluated for impairment	2,875	1,128
Loans individually evaluated for impairment	388
Loans collectively evaluated for impairment	377,490	337,799
Consumer Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	94	137
Charged off	(11)	(17)
Recoveries	7	9
Provision	55	77
Ending Balance	145	206
Amount for loans collectively evaluated for impairment	145	206
Loans collectively evaluated for impairment	11,355	13,946
Home Equity Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	271	264
Charged off	(40)	(18)
Provision	136	(7)
Ending Balance	367	239
Amount for loans individually evaluated for impairment	1
Amount for loans collectively evaluated for impairment	366	239
Loans individually evaluated for impairment	10
Loans collectively evaluated for impairment	50,948	49,199
Tax Exempt [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	71	168
Provision	5	11
Ending Balance	76	179
Amount for loans collectively evaluated for impairment	76	179
Loans collectively evaluated for impairment	$ 16,576	$ 17,551

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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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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Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

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