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	9 Months Ended
Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	$ 8,751	$ 8,167	$ 8,475	$ 8,097
Charged off	(668)	(107)	(1,337)	(839)
Recoveries	61	150	121	194
Provision	491	170	1,376	928
Ending Balance	8,635	8,380	8,635	8,380
Amount for loans individually evaluated for impairment	305		305
Amount for loans collectively evaluated for impairment	8,330		8,330
Loans individually evaluated for impairment	3,041		3,041
Loans collectively evaluated for impairment	895,006		895,006
Commercial Real Estate Mortgages [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	4,887	4,435	4,825	4,320
Charged off	(19)	(55)	(184)	(139)
Recoveries	34	102	40	105
Provision	(71)	223	150	419
Ending Balance	4,831	4,705	4,831	4,705
Amount for loans individually evaluated for impairment	68		68
Amount for loans collectively evaluated for impairment	4,763		4,763
Loans individually evaluated for impairment	1,053		1,053
Loans collectively evaluated for impairment	329,538		329,538
Commercial And Industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	1,573	1,062	1,266	1,026
Charged off	(317)	(8)	(416)	(186)
Recoveries	1	12	13	22
Provision	150	146	544	350
Ending Balance	1,407	1,212	1,407	1,212
Amount for loans individually evaluated for impairment	237		237
Loans individually evaluated for impairment	604		604
Loans collectively evaluated for impairment	75,548		75,548
Commercial Construction And Land Development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	254	355	314	515
Provision	77	19	17	(141)
Ending Balance	331	374	331	374
Amount for loans collectively evaluated for impairment	331		331
Loans individually evaluated for impairment	1,328		1,328
Loans collectively evaluated for impairment	22,500		22,500
Agriculture And Other Loans To Farmers [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	371	323	335	303
Charged off			(14)	(81)
Recoveries	11	24	26	25
Provision	(26)	(5)	9	95
Ending Balance	356	342	356	342
Amount for loans collectively evaluated for impairment	356		356
Loans individually evaluated for impairment	56		56
Loans collectively evaluated for impairment	28,593		28,593
Residential Real Estate Mortgages [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	1,149	1,421	1,166	1,330
Charged off	(264)	(32)	(557)	(319)
Recoveries		5	12	6
Provision	275	(169)	539	208
Ending Balance	1,160	1,225	1,160	1,225
Amount for loans collectively evaluated for impairment	1,160		1,160
Loans collectively evaluated for impairment	359,494		359,494
Consumer Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	103	147	137	207
Charged off	(68)	(12)	(148)	(80)
Recoveries	14	7	29	17
Provision	97	3	128	1
Ending Balance	146	145	146	145
Amount for loans collectively evaluated for impairment	146		146
Loans collectively evaluated for impairment	12,239		12,239
Home Equity Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	241	270	264	255
Charged off			(18)	(34)
Recoveries	1		1	19
Provision		(57)	(5)	(27)
Ending Balance	242	213	242	213
Amount for loans collectively evaluated for impairment	242		242
Loans collectively evaluated for impairment	51,693		51,693
Tax Exempt [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	173	154	168	141
Provision	(11)	10	(6)	23
Ending Balance	162	164	162	164
Amount for loans collectively evaluated for impairment	162		162
Loans collectively evaluated for impairment	$ 16,729		$ 16,729

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

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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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