Allowance For Loan Losses (Schedule Of Allowance For Loan Loss By Portfolio Segment) (Details) - Receivables Acquired with Deteriorated Credit Quality [Domain] - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Beginning balance	$ 20,150	$ 20,575
Allowance for loan loss, Charge-offs	(3,672)	(2,647)
Allowance for loan loss, Recoveries	607	810
Allowance for loan loss, Provision for acquired loans	545	138
Allowance for loan loss, Provision	3,179	1,660
Allowance for loan loss, Ending balance	20,809	20,536
Allowance for loan loss, Evaluated for impairment, Individually	229		$ 252
Allowance for loan loss, Evaluated for impairment, Collectively	19,777		19,019
Allowance for loan loss, Total	20,809		20,150
Loans, Evaluated for impairment, Individually	7,423		6,769
Loans, Evaluated for impairment, Collectively	2,661,092		2,627,968
Gross loans	2,684,457		2,652,066
Commercial And Industrial [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Beginning balance	1,582	1,139
Allowance for loan loss, Charge-offs	(1,992)	(5)
Allowance for loan loss, Recoveries	27	81
Allowance for loan loss, Provision for acquired loans	545	138
Allowance for loan loss, Provision	2,610	(248)
Allowance for loan loss, Ending balance	2,772	1,105
Allowance for loan loss, Evaluated for impairment, Individually	0		0
Allowance for loan loss, Evaluated for impairment, Collectively	2,768		1,540
Allowance for loan loss, Total	2,772		1,582
Loans, Evaluated for impairment, Individually	797		0
Loans, Evaluated for impairment, Collectively	140,923		139,862
Gross loans	142,065		140,548
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Beginning balance	8,921	10,775
Allowance for loan loss, Charge-offs	(276)	(969)
Allowance for loan loss, Recoveries	31	83
Allowance for loan loss, Provision for acquired loans	0	0
Allowance for loan loss, Provision	(79)	508
Allowance for loan loss, Ending balance	8,597	10,397
Allowance for loan loss, Evaluated for impairment, Individually	229		252
Allowance for loan loss, Evaluated for impairment, Collectively	7,654		7,898
Allowance for loan loss, Total	8,597		8,921
Loans, Evaluated for impairment, Individually	5,887		6,023
Loans, Evaluated for impairment, Collectively	1,013,137		1,009,241
Gross loans	1,032,333		1,028,831
Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Beginning balance	7,208	6,057
Allowance for loan loss, Charge-offs	(529)	(743)
Allowance for loan loss, Recoveries	64	63
Allowance for loan loss, Provision for acquired loans	0	0
Allowance for loan loss, Provision	332	1,087
Allowance for loan loss, Ending balance	7,075	6,464
Allowance for loan loss, Evaluated for impairment, Individually	0		0
Allowance for loan loss, Evaluated for impairment, Collectively	6,990		7,208
Allowance for loan loss, Total	7,075		7,208
Loans, Evaluated for impairment, Individually	443		449
Loans, Evaluated for impairment, Collectively	1,324,635		1,293,748
Gross loans	1,325,453		1,294,576
Home equity - junior liens (including lines of credit) [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Beginning balance	1,495	1,672
Allowance for loan loss, Charge-offs	(108)	(146)
Allowance for loan loss, Recoveries	0	0
Allowance for loan loss, Provision for acquired loans	0	0
Allowance for loan loss, Provision	106	(83)
Allowance for loan loss, Ending balance	1,493	1,443
Allowance for loan loss, Evaluated for impairment, Individually	0		0
Allowance for loan loss, Evaluated for impairment, Collectively	1,493		1,429
Allowance for loan loss, Total	1,493		1,495
Loans, Evaluated for impairment, Individually	296		297
Loans, Evaluated for impairment, Collectively	141,709		142,743
Gross loans	143,772		145,604
Consumer Loan [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Beginning balance	85	77
Allowance for loan loss, Charge-offs	(143)	(122)
Allowance for loan loss, Recoveries	79	129
Allowance for loan loss, Provision for acquired loans	0	0
Allowance for loan loss, Provision	99	(3)
Allowance for loan loss, Ending balance	120	81
Allowance for loan loss, Evaluated for impairment, Individually	0		0
Allowance for loan loss, Evaluated for impairment, Collectively	120		85
Allowance for loan loss, Total	120		85
Loans, Evaluated for impairment, Individually	0		0
Loans, Evaluated for impairment, Collectively	37,409		39,572
Gross loans	37,555		39,705
Demand Deposit Account Overdrafts [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Beginning balance	859	855
Allowance for loan loss, Charge-offs	(624)	(662)
Allowance for loan loss, Recoveries	406	454
Allowance for loan loss, Provision for acquired loans	0	0
Allowance for loan loss, Provision	111	399
Allowance for loan loss, Ending balance	752	$ 1,046
Allowance for loan loss, Evaluated for impairment, Individually	0		0
Allowance for loan loss, Evaluated for impairment, Collectively	752		859
Allowance for loan loss, Total	752		859
Loans, Evaluated for impairment, Individually	0		0
Loans, Evaluated for impairment, Collectively	3,279		2,802
Gross loans	3,279		2,802
Allowance for loan loss, Acquired with deteriorated credit quality	803		879
Loans, Acquired with Deteriorated Credit Quality	15,942		17,329
Commercial And Industrial [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Acquired with deteriorated credit quality	4		42
Loans, Acquired with Deteriorated Credit Quality	345		686
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Acquired with deteriorated credit quality	714		771
Loans, Acquired with Deteriorated Credit Quality	13,309		13,567
Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Acquired with deteriorated credit quality	85		0
Loans, Acquired with Deteriorated Credit Quality	375		379
Home equity - junior liens (including lines of credit) [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Acquired with deteriorated credit quality	0		66
Loans, Acquired with Deteriorated Credit Quality	1,767		2,564
Consumer Loan [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Acquired with deteriorated credit quality	0		0
Loans, Acquired with Deteriorated Credit Quality	146		133
Demand Deposit Account Overdrafts [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Acquired with deteriorated credit quality	0		0
Loans, Acquired with Deteriorated Credit Quality	$ 0		$ 0

Allowance for loan loss, Acquired with deteriorated credit quality

No definition available.

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- Definition

Loans, Acquired with Deteriorated Credit Quality

+ References

No definition available.

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- Definition

Amount of expense related to loan loss not accounted for as debt securities, with evidence of deterioration of credit quality.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

A valuation allowance for financing receivables that are expected to be uncollectible.

+ References

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- Definition

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

+ References

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- Definition

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

+ References

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- Definition

Amount of recovery of financing receivables doubtful of collection that were previously charged off.

+ References

+ Details

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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- Definition

Amount of direct write-downs of financing receivables charged against the allowance.

+ References

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

The balance of financing receivables that were collectively evaluated for impairment.

+ References

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- Definition

The balance of financing receivables that were individually evaluated for impairment.

+ References

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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.7(d))

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

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (b)(1)(ii)

-URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section L

-Subsection 1

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

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- Definition

Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

+ References

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