Loans (Summary Of Activity In Allowance For Loan And Lease Losses) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance			$ 17,811	$ 23,717
Charge-offs			(1,607)	(4,116)
Recoveries			3,436	3,581
Net (charge-offs) recoveries			1,829	(535)
Provision for loan losses	(1,462)	(1,120)	(2,527)	(3,257)
Ending balance	17,113	19,925	17,113	19,925
Period-end amount allocated to:
Loans individually evaluated for impairment	1,541	1,284	1,541	1,284
Loans collectively evaluated for impairment	15,572	18,641	15,572	18,641
Ending balance	17,113	19,925	17,113	19,925
Commercial Real Estate, Other
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance			14,215	18,947
Charge-offs			(783)	(2,846)
Recoveries			2,806	2,411
Net (charge-offs) recoveries			2,023	(435)
Provision for loan losses			(3,670)	(2,300)
Ending balance	12,568	16,212	12,568	16,212
Period-end amount allocated to:
Loans individually evaluated for impairment	1,180	973	1,180	973
Loans collectively evaluated for impairment	11,388	15,239	11,388	15,239
Ending balance	12,568	16,212	12,568	16,212
Commercial and Industrial
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance			1,733	2,434
Charge-offs			(11)	(33)
Recoveries			21	148
Net (charge-offs) recoveries			10	115
Provision for loan losses			445	(1,025)
Ending balance	2,188	1,524	2,188	1,524
Period-end amount allocated to:
Loans individually evaluated for impairment	266	22	266	22
Loans collectively evaluated for impairment	1,922	1,502	1,922	1,502
Ending balance	2,188	1,524	2,188	1,524
Residential Real Estate
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance			801	1,119
Charge-offs			(222)	(561)
Recoveries			261	532
Net (charge-offs) recoveries			39	(29)
Provision for loan losses			165	0
Ending balance	1,005	1,090	1,005	1,090
Period-end amount allocated to:
Loans individually evaluated for impairment	95	289	95	289
Loans collectively evaluated for impairment	910	801	910	801
Ending balance	1,005	1,090	1,005	1,090
Home Equity Lines of Credit
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance			479	541
Charge-offs			(2)	(77)
Recoveries			13	14
Net (charge-offs) recoveries			11	(63)
Provision for loan losses			0	0
Ending balance	490	478	490	478
Period-end amount allocated to:
Loans individually evaluated for impairment	0	0	0	0
Loans collectively evaluated for impairment	490	478	490	478
Ending balance	490	478	490	478
Consumer
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance			438	449
Charge-offs			(344)	(345)
Recoveries			236	352
Net (charge-offs) recoveries			(108)	7
Provision for loan losses			410	0
Ending balance	740	456	740	456
Period-end amount allocated to:
Loans individually evaluated for impairment	0	0	0	0
Loans collectively evaluated for impairment	740	456	740	456
Ending balance	740	456	740	456
Deposit Account Overdrafts
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance			145	227
Charge-offs			(245)	(254)
Recoveries			99	124
Net (charge-offs) recoveries			(146)	(130)
Provision for loan losses			123	68
Ending balance	122	165	122	165
Period-end amount allocated to:
Loans individually evaluated for impairment	0	0	0	0
Loans collectively evaluated for impairment	122	165	122	165
Ending balance	$ 122	$ 165	$ 122	$ 165