Loans (Schedule Of Troubled Debt Restructurings Within The Previous 12 Months) (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017 USD ($) loan	Jun. 30, 2016 USD ($) loan	Jun. 30, 2017 USD ($) loan	Jun. 30, 2016 USD ($) loan
General C I
Financing Receivable, Modifications [Line Items]
Number | loan	2	0	3	0
Recorded Investment | $	$ 2,228	$ 0	$ 8,007	$ 0
Home Equity Line of Credit
Financing Receivable, Modifications [Line Items]
Number | loan	0	1	4	2
Recorded Investment | $	$ 0	$ 102	$ 685	$ 138
R E Installment Loans
Financing Receivable, Modifications [Line Items]
Number | loan	0	1	0	1
Recorded Investment | $	$ 0	$ 180	$ 0	$ 180
Commercial Financial And Industrial Portfolio Segment
Financing Receivable, Modifications [Line Items]
Number | loan	2	0	3	0
Recorded Investment | $	$ 2,228	$ 0	$ 8,007	$ 0
Consumer Real Estate Portfolio Segment
Financing Receivable, Modifications [Line Items]
Number | loan	0	2	4	3
Recorded Investment | $	$ 0	$ 282	$ 685	$ 318
Permanent Mortgage Portfolio Segment
Financing Receivable, Modifications [Line Items]
Number | loan	1	0	1	0
Recorded Investment | $	$ 538	$ 0	$ 538	$ 0
Credit Card And Other Portfolio Segment
Financing Receivable, Modifications [Line Items]
Number | loan	1	0	3	0
Recorded Investment | $	$ 11	$ 0	$ 18	$ 0
Troubled Debt Restructurings That Subsequently Defaulted [Member]
Financing Receivable, Modifications [Line Items]
Number | loan	4	2	11	3
Recorded Investment | $	$ 2,777	$ 282	$ 9,248	$ 318