Loans (Recorded Investment By Loan Class In Current And Nonaccrual Loans) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	$ 3,651	$ 3,808
60-89 Days Past Due	494	517
Greater Than 90 Days	9	8
Total Past Due	4,154	4,333
Nonaccrual	10,699	10,145
Current	1,963,771	1,866,593
Total loans	1,978,624	1,881,071	$ 1,864,753
Commercial Business [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	605	28
Total Past Due	605	28
Nonaccrual	4,643	4,288
Current	287,426	263,061
Total loans	292,674	267,377	277,609
Commercial Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	606	83
Total Past Due	606	83
Nonaccrual	3,070	3,020
Current	534,358	473,304
Total loans	538,034	476,407	469,936
Residential Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	192	321
Total Past Due	192	321
Nonaccrual	1,628	1,194
Current	93,439	98,726
Total loans	95,259	100,241	106,342
Home Equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	454	799
60-89 Days Past Due	78	67
Total Past Due	532	866
Nonaccrual	619	463
Current	390,494	378,445
Total loans	391,645	379,774	363,243
Consumer Indirect [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	1,708	2,429
60-89 Days Past Due	364	402
Total Past Due	2,072	2,831
Nonaccrual	728	1,169
Current	639,071	632,357
Total loans	641,871	636,357	626,418
Other Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	86	148
60-89 Days Past Due	52	48
Greater Than 90 Days	9	8
Total Past Due	147	204
Nonaccrual	11	11
Current	18,983	20,700
Total loans	$ 19,141	$ 20,915	$ 21,205

Financing receivables that are less than 60 days past due but more than 29 days past due.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 7A

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953401-111524

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Financing receivables that are less than 90 days past due but more than 59 days past due.

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Financing receivables that are current.

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Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 7

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5111-111524

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Recorded Investment in financing receivables that are past due at the balance sheet date.

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.10(3))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 10

-Subparagraph 3

-Article 9

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