Loans And Allowance For Loan Losses (Schedule Of Loans With Credit Quality Indicators) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment [Line Items]
Commercial loan	$ 454,060	$ 430,908
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Commercial loan	408,879	381,652
Other Assets Especially Mentioned [Member]
Financing Receivable, Recorded Investment [Line Items]
Commercial loan	29,297	33,168
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Commercial loan	15,884	16,088
Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Commercial loan
Commercial Real Estate Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Commercial loan	328,011	324,493
Commercial Real Estate Mortgages [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Commercial loan	298,294	293,505
Commercial Real Estate Mortgages [Member] | Other Assets Especially Mentioned [Member]
Financing Receivable, Recorded Investment [Line Items]
Commercial loan	20,416	21,522
Commercial Real Estate Mortgages [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Commercial loan	9,301	9,466
Commercial Real Estate Mortgages [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Commercial loan
Commercial And Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Commercial loan	80,874	59,373
Commercial And Industrial [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Commercial loan	69,978	46,872
Commercial And Industrial [Member] | Other Assets Especially Mentioned [Member]
Financing Receivable, Recorded Investment [Line Items]
Commercial loan	8,074	9,112
Commercial And Industrial [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Commercial loan	2,822	3,389
Commercial And Industrial [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Commercial loan
Commercial Construction And Land Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Commercial loan	16,565	22,120
Commercial Construction And Land Development [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Commercial loan	12,648	17,469
Commercial Construction And Land Development [Member] | Other Assets Especially Mentioned [Member]
Financing Receivable, Recorded Investment [Line Items]
Commercial loan	569	2,292
Commercial Construction And Land Development [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Commercial loan	3,348	2,359
Commercial Construction And Land Development [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Commercial loan
Agriculture And Other Loans To Farmers [Member]
Financing Receivable, Recorded Investment [Line Items]
Commercial loan	28,610	24,922
Agriculture And Other Loans To Farmers [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Commercial loan	27,959	23,806
Agriculture And Other Loans To Farmers [Member] | Other Assets Especially Mentioned [Member]
Financing Receivable, Recorded Investment [Line Items]
Commercial loan	238	242
Agriculture And Other Loans To Farmers [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Commercial loan	413	874
Agriculture And Other Loans To Farmers [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Commercial loan