Loans And Allowance For Loan Losses (Schedule Of Impaired Loans) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Financing Receivable, Allowance for Credit Losses [Line Items]
Impaired loans, with no related allowance, Recorded Investment	$ 3,209	$ 4,244
Impaired loans, with related allowance, Recorded Investment	2,849	2,359
Impaired loans, Recorded Investment	6,058	6,603
Impaired loans, with no related allowance, Unpaid Principal Balance	3,473	4,863
Impaired loans, with related allowance, Unpaid Principal Balance	4,774	4,329
Impaired loans, Unpaid Principal Balance, Total	8,247	9,192
Impaired loans, Related Allowance	270	120
Impaired loans, with no related allowance, Average Recorded Investment	3,830	5,092	9,816
Impaired loans, with related allowance, Average Recorded Investment	1,967	3,172	616
Impaired loans, Average Recorded Investment, Total	5,797	8,264	10,432
Impaired loans, with no related allowance, Interest Recorded	104	159	123
Impaired loans, with related allowance, Interest Recorded
Impaired loans, Interest Recorded, Total	104	159	123
Commercial Real Estate Mortgages [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Impaired loans, with no related allowance, Recorded Investment	1,949	2,662
Impaired loans, with related allowance, Recorded Investment	854
Impaired loans, with no related allowance, Unpaid Principal Balance	2,103	3,072
Impaired loans, with related allowance, Unpaid Principal Balance	854
Impaired loans, Related Allowance	100
Impaired loans, with no related allowance, Average Recorded Investment	2,387	3,391	3,452
Impaired loans, with related allowance, Average Recorded Investment			396
Impaired loans, with no related allowance, Interest Recorded	74	146	105
Impaired loans, with related allowance, Interest Recorded
Commercial and Industrial Receivable [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Impaired loans, with no related allowance, Recorded Investment	660	841
Impaired loans, with related allowance, Recorded Investment	150
Impaired loans, with no related allowance, Unpaid Principal Balance	770	966
Impaired loans, with related allowance, Unpaid Principal Balance	150
Impaired loans, Related Allowance	150
Impaired loans, with no related allowance, Average Recorded Investment	689	813	1,212
Impaired loans, with related allowance, Average Recorded Investment			70
Impaired loans, with no related allowance, Interest Recorded	6	8	4
Impaired loans, with related allowance, Interest Recorded
Commercial Construction And Land Development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Impaired loans, with no related allowance, Recorded Investment	68
Impaired loans, with related allowance, Recorded Investment	1,845	2,359
Impaired loans, with no related allowance, Unpaid Principal Balance	68
Impaired loans, with related allowance, Unpaid Principal Balance	3,770	4,329
Impaired loans, Related Allowance	20	120
Impaired loans, with no related allowance, Average Recorded Investment	133	147	4,857
Impaired loans, with related allowance, Average Recorded Investment	1,967	3,172	150
Impaired loans, with no related allowance, Interest Recorded
Impaired loans, with related allowance, Interest Recorded
Agricultural and Other Loans to Farmers [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Impaired loans, with no related allowance, Recorded Investment	56	664
Impaired loans, with no related allowance, Unpaid Principal Balance	56	748
Impaired loans, with no related allowance, Average Recorded Investment	270	604	213
Impaired loans, with related allowance, Average Recorded Investment
Impaired loans, with no related allowance, Interest Recorded			14
Impaired loans, with related allowance, Interest Recorded
Residential Real Estate Mortgages [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Impaired loans, with no related allowance, Recorded Investment	442	77
Impaired loans, with no related allowance, Unpaid Principal Balance	442	77
Impaired loans, with no related allowance, Average Recorded Investment	323	137	82
Impaired loans, with related allowance, Average Recorded Investment
Impaired loans, with no related allowance, Interest Recorded	21	5
Impaired loans, with related allowance, Interest Recorded
Home Equity Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Impaired loans, with no related allowance, Recorded Investment	21
Impaired loans, with no related allowance, Unpaid Principal Balance	21
Impaired loans, with no related allowance, Average Recorded Investment	17
Impaired loans, with related allowance, Average Recorded Investment
Impaired loans, with no related allowance, Interest Recorded	2
Impaired loans, with related allowance, Interest Recorded
Other Consumer Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Impaired loans, with no related allowance, Recorded Investment	13
Impaired loans, with no related allowance, Unpaid Principal Balance	13
Impaired loans, with no related allowance, Average Recorded Investment	11
Impaired loans, with related allowance, Average Recorded Investment
Impaired loans, with no related allowance, Interest Recorded	1
Impaired loans, with related allowance, Interest Recorded

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 17

-URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5258-111524

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+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 14A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524

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