Loans And The Allowance For Credit Losses (Average Recorded Investment And Interest Income Recognized) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Financing Receivable, Recorded Investment, Past Due [Line Items]
Average Recorded Investment	$ 2,440	$ 3,512	$ 2,434	$ 3,637
Interest Income Recognized	46	4	51	7
Commercial, Financial And Agricultural [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Average Recorded Investment	78	451	90	576
Interest Income Recognized	1	0	1	0
Real Estate Loans – Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Average Recorded Investment	1,831	2,235	1,857	2,261
Interest Income Recognized	43	4	47	7
Real Estate Loans – Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Average Recorded Investment	531	665	487	635
Interest Income Recognized	2	0	3	0
Real Estate Loans – Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Average Recorded Investment	0	158	0	161
Interest Income Recognized	0	0	0	0
Installment and Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Average Recorded Investment	0	3	0	4
Interest Income Recognized	0	0	0	0
With No Related Allowance Recorded [Member] | Installment Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Average Recorded Investment	0	3	0	4
Interest Income Recognized	0	0	0	0
With No Related Allowance Recorded [Member] | Commercial, Financial And Agricultural [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Average Recorded Investment	54	145	62	186
Interest Income Recognized	1	0	1	0
With No Related Allowance Recorded [Member] | Real Estate Loans – Residential [Member] | First Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Average Recorded Investment	747	1,167	782	1,180
Interest Income Recognized	16	3	20	5
With No Related Allowance Recorded [Member] | Real Estate Loans – Residential [Member] | Second Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Average Recorded Investment	443	411	321	443
Interest Income Recognized	27	1	27	2
With No Related Allowance Recorded [Member] | Real Estate Loans – Commercial [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Average Recorded Investment	531	483	433	474
Interest Income Recognized	2	0	3	0
With No Related Allowance Recorded [Member] | Real Estate Loans – Commercial [Member] | Non-Owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Average Recorded Investment	0	60	0	69
Interest Income Recognized	0	0	0	0
With No Related Allowance Recorded [Member] | Real Estate Loans – Construction [Member] | Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Average Recorded Investment	0	158	0	161
Interest Income Recognized	0	0	0	0
With Related Allowance Recorded [Member] | Commercial, Financial And Agricultural [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Average Recorded Investment	24	306	28	390
Interest Income Recognized	0	0	0	0
With Related Allowance Recorded [Member] | Real Estate Loans – Residential [Member] | First Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Average Recorded Investment	624	637	704	628
Interest Income Recognized	0	0	0	0
With Related Allowance Recorded [Member] | Real Estate Loans – Residential [Member] | Second Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Average Recorded Investment	17	20	50	10
Interest Income Recognized	0	0	0	0
With Related Allowance Recorded [Member] | Real Estate Loans – Commercial [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Average Recorded Investment	0		54
Interest Income Recognized	0		0
With Related Allowance Recorded [Member] | Real Estate Loans – Commercial [Member] | Non-Owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Average Recorded Investment		122		92
Interest Income Recognized		$ 0		$ 0