Loans And Allowance For Loan Losses (Schedule Of Allowance For Loan Losses By Portfolio Segment) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	$ 8,969	$ 8,475	$ 8,097
Charged off	(1,619)	(1,620)	(1,255)
Recoveries	304	281	215
Provision	1,785	1,833	1,418
Ending Balance	9,439	8,969	8,475
Amount for loans individually evaluated for impairment	373	964	270
Amount for loans collectively evaluated for impairment	9,066	8,005	8,205
Loans individually evaluated for impairment	5,739	6,134	4,808
Loans collectively evaluated for impairment	984,227	912,906	848,322
Commercial Real Estate Mortgages [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	4,468	4,825	4,320
Charged off	(667)	(238)	(214)
Recoveries	98	85	105
Provision	347	(204)	614
Ending Balance	4,246	4,468	4,825
Amount for loans individually evaluated for impairment	43	776	100
Amount for loans collectively evaluated for impairment	4,203	3,692	4,725
Loans individually evaluated for impairment	2,223	3,592	2,046
Loans collectively evaluated for impairment	368,779	322,357	334,496
Commercial And Industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	929	1,266	1,026
Charged off	(323)	(475)	(405)
Recoveries	36	16	23
Provision	594	122	622
Ending Balance	1,236	929	1,266
Amount for loans individually evaluated for impairment	175	187	150
Amount for loans collectively evaluated for impairment	1,061	742	1,116
Loans individually evaluated for impairment	426	634	793
Loans collectively evaluated for impairment	79,485	73,259	73,179
Commercial Construction And Land Development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	$ 145	$ 314	$ 515
Charged off
Recoveries
Provision	$ 39	$ (169)	$ (201)
Ending Balance	184	145	314
Amount for loans individually evaluated for impairment	58		20
Amount for loans collectively evaluated for impairment	126	145	294
Loans individually evaluated for impairment	1,111	1,328	1,913
Loans collectively evaluated for impairment	23,815	24,093	16,216
Agriculture And Other Loans To Farmers [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	277	335	303
Charged off	(72)	(14)	(81)
Recoveries	18	130	37
Provision	84	(174)	76
Ending Balance	307	277	335
Amount for loans collectively evaluated for impairment	307	277	335
Loans individually evaluated for impairment	106	181	56
Loans collectively evaluated for impairment	30,897	30,290	26,873
Residential Real Estate Mortgages [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	2,714	1,166	1,330
Charged off	(70)	(650)	(406)
Recoveries	129	12	7
Provision	(26)	2,186	235
Ending Balance	2,747	2,714	1,166
Amount for loans individually evaluated for impairment	97
Amount for loans collectively evaluated for impairment	2,650	2,714	1,166
Loans individually evaluated for impairment	1,847	389
Loans collectively evaluated for impairment	404,805	382,289	317,115
Consumer Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	94	137	207
Charged off	(111)	(191)	(120)
Recoveries	22	37	23
Provision	106	111	27
Ending Balance	111	94	137
Amount for loans individually evaluated for impairment		1
Amount for loans collectively evaluated for impairment	111	93	137
Loans individually evaluated for impairment	8	10
Loans collectively evaluated for impairment	9,690	12,130	14,523
Home Equity Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	271	264	255
Charged off	(376)	(52)	(29)
Recoveries	1	1	20
Provision	665	58	18
Ending Balance	561	271	264
Amount for loans collectively evaluated for impairment	561	271	264
Loans individually evaluated for impairment	18
Loans collectively evaluated for impairment	51,512	51,795	49,565
Tax Exempt [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	$ 71	$ 168	$ 141
Charged off
Recoveries
Provision	$ (24)	$ (97)	$ 27
Ending Balance	47	71	168
Amount for loans collectively evaluated for impairment	47	71	168
Loans collectively evaluated for impairment	$ 15,244	$ 16,693	$ 16,355

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 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.11)
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

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