Allowance For Loan Losses And Credit Quality (Schedule Of Investment In Impaired Loan) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Mortgage Loans [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	$ 4,763	$ 5,895
Unpaid Principal Balance	4,910	5,916
Related Allowance	(147)	(21)
Average Recorded Investment	6,163	4,412
Interest Income Recognized	30	215
Commercial Loans [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	40,140	34,832
Unpaid Principal Balance	42,193	35,038
Related Allowance	(2,053)	(206)
Average Recorded Investment	48,053	39,025
Interest Income Recognized	348	1,516
Consumer Loans [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	6,812	8,008
Unpaid Principal Balance	6,889	8,123
Related Allowance	(77)	(115)
Average Recorded Investment	7,650	8,755
Interest Income Recognized	107	324
With No Related Allowance Recorded [Member] | Real Estate [Member] | Commercial Loans [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	32,267	21,539
Unpaid Principal Balance	32,267	21,539
Average Recorded Investment	35,673	25,433
Interest Income Recognized	173	936
With No Related Allowance Recorded [Member] | Business [Member] | Commercial Loans [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	6,403	6,761
Unpaid Principal Balance	6,403	6,761
Average Recorded Investment	8,642	6,847
Interest Income Recognized	144	278
With An Allowance Recorded [Member] | Residential - Prime [Member] | Mortgage Loans [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	4,763	5,895
Unpaid Principal Balance	4,910	5,916
Related Allowance	(147)	(21)
Average Recorded Investment	6,163	4,412
Interest Income Recognized	30	215
With An Allowance Recorded [Member] | Residential - Subprime [Member] | Mortgage Loans [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment
Unpaid Principal Balance
Related Allowance
Average Recorded Investment
Interest Income Recognized
With An Allowance Recorded [Member] | Real Estate [Member] | Commercial Loans [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	1,430	6,532
Unpaid Principal Balance	3,304	6,738
Related Allowance	(1,874)	(206)
Average Recorded Investment	3,315	6,745
Interest Income Recognized	26	302
With An Allowance Recorded [Member] | Business [Member] | Commercial Loans [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	40
Unpaid Principal Balance	219
Related Allowance	(179)
Average Recorded Investment	423
Interest Income Recognized	5
With An Allowance Recorded [Member] | Indirect Automobile [Member] | Consumer Loans [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	987	1,035
Unpaid Principal Balance	994	1,046
Related Allowance	(7)	(11)
Average Recorded Investment	1,399	980
Interest Income Recognized	40	59
With An Allowance Recorded [Member] | Credit Card [Member] | Consumer Loans [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	391	369
Unpaid Principal Balance	403	378
Related Allowance	(12)	(9)
Average Recorded Investment	440	376
With An Allowance Recorded [Member] | Home Equity [Member] | Consumer Loans [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	4,826	5,405
Unpaid Principal Balance	4,873	5,466
Related Allowance	(47)	(61)
Average Recorded Investment	5,014	5,909
Interest Income Recognized	59	239
With An Allowance Recorded [Member] | Other Consumer [Member] | Consumer Loans [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	608	1,199
Unpaid Principal Balance	619	1,233
Related Allowance	(11)	(34)
Average Recorded Investment	797	1,490
Interest Income Recognized	$ 8	$ 26