Loans (Schedule Of Troubled Debt Restructurings Within The Previous 12 Months) (Details) $ in Thousands	3 Months Ended
Mar. 31, 2018 USD ($) loan	Mar. 31, 2017 USD ($) loan
General C&I
Financing Receivable, Modifications [Line Items]
Number \| loan	0	1
Recorded Investment \| $	$ 0	$ 5,779
Commercial Financial And Industrial Portfolio Segment
Financing Receivable, Modifications [Line Items]
Number \| loan	0	1
Recorded Investment \| $	$ 0	$ 5,779
Home Equity Line of Credit
Financing Receivable, Modifications [Line Items]
Number \| loan	2	4
Recorded Investment \| $	$ 69	$ 685
Consumer Real Estate
Financing Receivable, Modifications [Line Items]
Number \| loan	2	4
Recorded Investment \| $	$ 69	$ 685
Permanent Mortgage
Financing Receivable, Modifications [Line Items]
Number \| loan	1	0
Recorded Investment \| $	$ 112	$ 0
Credit Card and Other
Financing Receivable, Modifications [Line Items]
Number \| loan	14	2
Recorded Investment \| $	$ 81	$ 7
Troubled Debt Restructurings That Subsequently Defaulted [Member]
Financing Receivable, Modifications [Line Items]
Number \| loan	17	7
Recorded Investment \| $	$ 262	$ 6,471

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953682-111524

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- Definition

Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default.

+ References

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