Loans (Recorded Investment In Financing Receivable Modified As TDR Within 12 Months) (Details) (USD $)	Mar. 31, 2012
Financing Receivable, Recorded Investment [Line Items]
Number of Contracts	46,000
Recorded Investment	$ 21,164,000
Commercial, Financial And Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Number of Contracts	15,000
Recorded Investment	8,469,000
Construction Real Estate - Vision/SE LLC Commercial Land And Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Number of Contracts	3,000
Recorded Investment	659,000
Construction Real Estate - Remaining Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Number of Contracts	8,000
Recorded Investment	4,155,000
Residential Real Estate - Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Number of Contracts	6,000
Recorded Investment	3,948,000
Residential Real Estate - Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Number of Contracts	5,000
Recorded Investment	684,000
Residential Real Estate - HELOC [Member]
Financing Receivable, Recorded Investment [Line Items]
Number of Contracts	1,000
Recorded Investment	48,000
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Number of Contracts	8,000
Recorded Investment	$ 3,201,000