Loans (Schedule Of Troubled Debt Restructurings Within The Previous 12 Months) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013 number	Mar. 31, 2012 number
General C I [Member]
Financing Receivable, Modifications [Line Items]
Number	7	7
Recorded Investment	$ 6,052	$ 3,990
Income C R E [Member]
Financing Receivable, Modifications [Line Items]
Number	3	5
Recorded Investment	1,397	2,358
Residential C R E [Member]
Financing Receivable, Modifications [Line Items]
Number	1	1
Recorded Investment	33	50
Home Equity [Member]
Financing Receivable, Modifications [Line Items]
Number	7	10
Recorded Investment	344	1,210
R E Installment Loans [Member]
Financing Receivable, Modifications [Line Items]
Number	4	18
Recorded Investment	129	1,706
Commercial Financial And Industrial [Member]
Financing Receivable, Modifications [Line Items]
Number	7	7
Recorded Investment	6,052	3,990
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number	4	6
Recorded Investment	1,430	2,408
Consumer Real Estate Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number	11	28
Recorded Investment	473	2,916
Credit Card And Other Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number	2	11
Recorded Investment	5	36
Troubled Debt Restructurings That Subsequently Defaulted [Member]
Financing Receivable, Modifications [Line Items]
Number	33	52
Recorded Investment	12,358	9,350
Permanent Mortgage Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number	9	0
Recorded Investment	$ 4,398	$ 0