Loans (Schedule Of Troubled Debt Restructurings Occurring During The Year) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013 number	Jun. 30, 2012 number	Jun. 30, 2013 number	Jun. 30, 2012 number
General C I [Member]
Financing Receivable, Modifications [Line Items]
Number	3	7	8	11
Pre-Modification Outstanding Recorded Investment	$ 14,947	$ 17,538	$ 16,189	$ 18,121
Post-Modification Outstanding Recorded Investment	14,941	17,444	16,179	18,020
Commercial Financial And Industrial [Member]
Financing Receivable, Modifications [Line Items]
Number	3	7	8	11
Pre-Modification Outstanding Recorded Investment	14,947	17,538	16,189	18,121
Post-Modification Outstanding Recorded Investment	14,941	17,444	16,179	18,020
Income C R E [Member]
Financing Receivable, Modifications [Line Items]
Number	1	3	1	6
Pre-Modification Outstanding Recorded Investment	288	546	288	8,507
Post-Modification Outstanding Recorded Investment	288	529	288	8,358
Residential C R E [Member]
Financing Receivable, Modifications [Line Items]
Number	0	1	0	2
Pre-Modification Outstanding Recorded Investment	0	38	0	88
Post-Modification Outstanding Recorded Investment	0	37	0	87
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number	1	4	1	8
Pre-Modification Outstanding Recorded Investment	288	584	288	8,595
Post-Modification Outstanding Recorded Investment	288	566	288	8,445
Home Equity [Member]
Financing Receivable, Modifications [Line Items]
Number	92	60	207	94
Pre-Modification Outstanding Recorded Investment	8,758	6,562	16,517	10,643
Post-Modification Outstanding Recorded Investment	8,734	6,522	16,285	10,595
R E Installment Loans [Member]
Financing Receivable, Modifications [Line Items]
Number	97	51	276	110
Pre-Modification Outstanding Recorded Investment	13,390	5,635	19,675	13,178
Post-Modification Outstanding Recorded Investment	13,326	4,654	19,559	12,265
Consumer Real Estate Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number	189	111	483	204
Pre-Modification Outstanding Recorded Investment	22,148	12,197	36,192	23,821
Post-Modification Outstanding Recorded Investment	22,060	11,176	35,844	22,860
Permanent Mortgage Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number	14	24	26	62
Pre-Modification Outstanding Recorded Investment	8,306	19,774	13,043	49,667
Post-Modification Outstanding Recorded Investment	8,385	19,998	13,237	50,062
Credit Card And Other Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number	17	140	28	162
Pre-Modification Outstanding Recorded Investment	92	871	154	962
Post-Modification Outstanding Recorded Investment	89	841	148	928
Troubled Debt Restructurings [Member]
Financing Receivable, Modifications [Line Items]
Number	224	286	546	447
Pre-Modification Outstanding Recorded Investment	45,781	50,964	65,866	101,166
Post-Modification Outstanding Recorded Investment	$ 45,763	$ 50,025	$ 65,696	$ 100,315