Loans And Allowance For Loan Losses (Summary Of Non Performing Loans) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total non-accrual loans	$ 6,228	$ 8,840
Accruing loans contractually past due 90 days or more	87
Non-Performing Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total commercial loans	3,041	4,808
Total consumer loans	3,187	4,032
Total non-accrual loans	6,228	8,840
Accruing loans contractually past due 90 days or more	87
Total non-performing loans	6,315	8,840
Commercial Real Estate Mortgages [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total non-accrual loans	1,053	2,046
Accruing loans contractually past due 90 days or more
Commercial Real Estate Mortgages [Member] | Non-Performing Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total commercial loans	1,053	2,046
Commercial And Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total non-accrual loans	604	793
Accruing loans contractually past due 90 days or more
Commercial And Industrial [Member] | Non-Performing Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total commercial loans	604	793
Commercial Construction And Land Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total non-accrual loans	1,328	1,913
Accruing loans contractually past due 90 days or more
Commercial Construction And Land Development [Member] | Non-Performing Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total commercial loans	1,328	1,913
Agriculture And Other Loans To Farmers [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total non-accrual loans	56	56
Accruing loans contractually past due 90 days or more
Agriculture And Other Loans To Farmers [Member] | Non-Performing Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total commercial loans	56	56
Residential Real Estate Mortgages [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total non-accrual loans	2,545	3,227
Accruing loans contractually past due 90 days or more	87
Residential Real Estate Mortgages [Member] | Non-Performing Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total consumer loans	2,545	3,227
Home Equity Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total non-accrual loans	622	745
Accruing loans contractually past due 90 days or more
Home Equity Loans [Member] | Non-Performing Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total consumer loans	622	745
Consumer Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total non-accrual loans	20	60
Accruing loans contractually past due 90 days or more
Consumer Loans [Member] | Non-Performing Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total consumer loans	$ 20	$ 60