Loans and Leases (Schedule Of Modifications For Troubled Debt Restructurings) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2011
Subsequently Defaulted [Member] | Commercial, Financial, And Agricultural [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	2
Recorded Investment	$ 2,462
Subsequently Defaulted [Member] | Real Estate - Construction [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	2
Recorded Investment	354
Subsequently Defaulted [Member] | Real Estate Secured - Residential [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	1
Recorded Investment	118
Subsequently Defaulted [Member] | Real Estate Secured - Commercial [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	6
Recorded Investment	17,051
Subsequently Defaulted [Member] | Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	1
Recorded Investment	484
Commercial, Financial, And Agricultural [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	1
Pre-Modification Outstanding Recorded Investment	500
Post-Modification Outstanding Recorded Investment	469
Real Estate Secured - Residential [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	32
Pre-Modification Outstanding Recorded Investment	6,417
Post-Modification Outstanding Recorded Investment	6,276
Real Estate Secured - Commercial [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	5
Pre-Modification Outstanding Recorded Investment	5,755
Post-Modification Outstanding Recorded Investment	5,703
Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	2
Pre-Modification Outstanding Recorded Investment	148
Post-Modification Outstanding Recorded Investment	$ 148