Loans And The Allowance For Credit Losses (Summary Of Restructurings During The Periods) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012 loan	Dec. 31, 2011 loan
Commercial, Financial And Agricultural [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	1	0
Pre-modification Investment	$ 9	$ 0
Post-modification Investment	8	0
Real Estate Loans – Residential [Member] | First Mortgage [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	1	3
Pre-modification Investment	18	262
Post-modification Investment	14	211
Real Estate Loans – Residential [Member] | Second Mortgage [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	1	0
Pre-modification Investment	25	0
Post-modification Investment	22	0
Real Estate Loans – Commercial [Member] | Owner Occupied [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	1	0
Pre-modification Investment	182	0
Post-modification Investment	$ 177	$ 0