Loans (Summary Of Activity In Allowance For Loan And Lease Losses) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2011
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	$ 17,065		$ 17,811
Charge-offs	(618)	(991)
Recoveries	415	1,684
Net recoveries (charge-offs)	(203)	693
Provision for loan losses	8	(1,065)
Ending balance	16,870	17,439	17,811
Period-end amount allocated to:
Loans individually evaluated for impairment	637	1,618
Loans collectively evaluated for impairment	16,233	15,821
Ending balance	16,870	17,439	17,811
Commercial real estate, other
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	13,215		14,215
Charge-offs	0	(566)
Recoveries	112	1,374
Net recoveries (charge-offs)	112	808
Provision for loan losses	0	(1,050)
Ending balance	13,327	13,973	14,215
Period-end amount allocated to:
Loans individually evaluated for impairment	111	1,226
Loans collectively evaluated for impairment	13,216	12,747
Ending balance	13,327	13,973	14,215
Commercial and industrial
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	2,174		1,733
Charge-offs	(49)	0
Recoveries	5	17
Net recoveries (charge-offs)	(44)	17
Provision for loan losses	0	0
Ending balance	2,130	1,750	1,733
Period-end amount allocated to:
Loans individually evaluated for impairment	526	315
Loans collectively evaluated for impairment	1,604	1,435
Ending balance	2,130	1,750	1,733
Residential real estate
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	881		801
Charge-offs	(137)	(134)
Recoveries	38	116
Net recoveries (charge-offs)	(99)	(18)
Provision for loan losses	0	0
Ending balance	782	783	801
Period-end amount allocated to:
Loans individually evaluated for impairment	0	77
Loans collectively evaluated for impairment	782	706
Ending balance	782	783	801
Home equity lines of credit
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	343		479
Charge-offs	(20)	(2)
Recoveries	6	8
Net recoveries (charge-offs)	(14)	6
Provision for loan losses	0	0
Ending balance	329	485	479
Period-end amount allocated to:
Loans individually evaluated for impairment	0	0
Loans collectively evaluated for impairment	329	485
Ending balance	329	485	479
Consumer
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	316		438
Charge-offs	(302)	(159)
Recoveries	184	104
Net recoveries (charge-offs)	(118)	(55)
Provision for loan losses	0	0
Ending balance	198	383	438
Period-end amount allocated to:
Loans individually evaluated for impairment	0	0
Loans collectively evaluated for impairment	198	383
Ending balance	198	383	438
Deposit account overdrafts
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	136		145
Charge-offs	(110)	(130)
Recoveries	70	65
Net recoveries (charge-offs)	(40)	(65)
Provision for loan losses	8	(15)
Ending balance	104	65	145
Period-end amount allocated to:
Loans individually evaluated for impairment	0	0
Loans collectively evaluated for impairment	104	65
Ending balance	$ 104	$ 65	$ 145