Loans (Schedule Of Troubled Debt Restructurings Occurring During The Year) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013 number	Sep. 30, 2012 number	Sep. 30, 2013 number	Sep. 30, 2012 number
General C I [Member]
Financing Receivable, Modifications [Line Items]
Number	2	8	10	19
Pre-Modification Outstanding Recorded Investment	$ 1,161	$ 4,285	$ 17,350	$ 22,406
Post-Modification Outstanding Recorded Investment	1,134	4,244	17,313	22,264
Commercial Financial And Industrial Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number	2	8	10	19
Pre-Modification Outstanding Recorded Investment	1,161	4,285	17,350	22,406
Post-Modification Outstanding Recorded Investment	1,134	4,244	17,313	22,264
Income C R E [Member]
Financing Receivable, Modifications [Line Items]
Number	0	3	1	9
Pre-Modification Outstanding Recorded Investment	0	4,538	288	13,045
Post-Modification Outstanding Recorded Investment	0	4,144	288	12,502
Residential C R E [Member]
Financing Receivable, Modifications [Line Items]
Number	0	0	0	2
Pre-Modification Outstanding Recorded Investment	0	0	0	88
Post-Modification Outstanding Recorded Investment	0	0	0	87
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number	0	3	1	11
Pre-Modification Outstanding Recorded Investment	0	4,538	288	13,133
Post-Modification Outstanding Recorded Investment	0	4,144	288	12,589
Home Equity [Member]
Financing Receivable, Modifications [Line Items]
Number	72	737	279	831
Pre-Modification Outstanding Recorded Investment	5,212	17,087	21,729	27,730
Post-Modification Outstanding Recorded Investment	5,194	16,916	21,479	27,511
R E Installment Loans [Member]
Financing Receivable, Modifications [Line Items]
Number	70	567	346	677
Pre-Modification Outstanding Recorded Investment	4,589	13,604	24,264	26,782
Post-Modification Outstanding Recorded Investment	4,541	13,445	24,100	25,710
Consumer Real Estate Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number	142	1,304	625	1,508
Pre-Modification Outstanding Recorded Investment	9,801	30,691	45,993	54,512
Post-Modification Outstanding Recorded Investment	9,735	30,361	45,579	53,221
Permanent Mortgage Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number	15	61	41	123
Pre-Modification Outstanding Recorded Investment	3,864	16,641	16,907	66,308
Post-Modification Outstanding Recorded Investment	4,074	16,648	17,311	66,710
Credit Card And Other Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number	13	26	41	188
Pre-Modification Outstanding Recorded Investment	44	101	198	1,063
Post-Modification Outstanding Recorded Investment	39	97	187	1,025
Troubled Debt Restructurings [Member]
Financing Receivable, Modifications [Line Items]
Number	172	1,402	718	1,849
Pre-Modification Outstanding Recorded Investment	14,870	56,256	80,736	157,422
Post-Modification Outstanding Recorded Investment	$ 14,982	$ 55,494	$ 80,678	$ 155,809