Allowance For Loan Losses (Schedule Of Allowance For Loan Loss By Portfolio Segment) (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Beginning balance	$ 19,251	$ 20,074
Allowance for loan loss, Charge-offs	(4,061)	(5,100)
Allowance for loan loss, Recoveries	1,267	999
Allowance for loan loss, Provision for acquired loans	164	521
Allowance for loan loss, Provision	2,929	3,654
Allowance for loan loss, Ending balance	19,550	20,148
Allowance for loan loss, Evaluated for impairment, Individually	0		$ 0
Allowance for loan loss, Evaluated for impairment, Collectively	19,331		18,422
Allowance for loan loss, Total	19,550		19,251
Loans, Evaluated for impairment, Individually	5,367		8,482
Loans, Evaluated for impairment, Collectively	2,941,126		2,839,447
Total	2,957,912		2,862,534
Receivables Acquired with Deteriorated Credit Quality [Domain]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Acquired with deteriorated credit quality	219		829
Loans, Acquired with deteriorated credit quality	11,419		14,605
Commercial And Industrial [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Beginning balance	3,271	1,582
Allowance for loan loss, Charge-offs	(148)	(2,620)
Allowance for loan loss, Recoveries	13	72
Allowance for loan loss, Provision for acquired loans	0	0
Allowance for loan loss, Provision	918	3,747
Allowance for loan loss, Ending balance	4,054	2,781
Allowance for loan loss, Evaluated for impairment, Individually	0		0
Allowance for loan loss, Evaluated for impairment, Collectively	4,051		3,267
Allowance for loan loss, Total	4,054		3,271
Loans, Evaluated for impairment, Individually	1,939		2,349
Loans, Evaluated for impairment, Collectively	174,131		162,662
Total	176,387		165,340
Commercial And Industrial [Member] \| Receivables Acquired with Deteriorated Credit Quality [Domain]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Acquired with deteriorated credit quality	3		4
Loans, Acquired with deteriorated credit quality	317		329
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Beginning balance	6,985	8,845
Allowance for loan loss, Charge-offs	(1,213)	(277)
Allowance for loan loss, Recoveries	447	49
Allowance for loan loss, Provision for acquired loans	164	521
Allowance for loan loss, Provision	(112)	(1,441)
Allowance for loan loss, Ending balance	6,271	7,697
Allowance for loan loss, Evaluated for impairment, Individually	0		0
Allowance for loan loss, Evaluated for impairment, Collectively	6,147		6,173
Allowance for loan loss, Total	6,271		6,985
Loans, Evaluated for impairment, Individually	3,428		6,133
Loans, Evaluated for impairment, Collectively	1,146,316		1,109,327
Total	1,158,088		1,127,581
Commercial Real Estate [Member] \| Receivables Acquired with Deteriorated Credit Quality [Domain]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Acquired with deteriorated credit quality	124		812
Loans, Acquired with deteriorated credit quality	8,344		12,121
Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Beginning balance	6,778	7,208
Allowance for loan loss, Charge-offs	(1,281)	(758)
Allowance for loan loss, Recoveries	113	130
Allowance for loan loss, Provision for acquired loans	0	0
Allowance for loan loss, Provision	1,414	681
Allowance for loan loss, Ending balance	7,024	7,261
Allowance for loan loss, Evaluated for impairment, Individually	0		0
Allowance for loan loss, Evaluated for impairment, Collectively	6,932		6,765
Allowance for loan loss, Total	7,024		6,778
Loans, Evaluated for impairment, Individually	0		0
Loans, Evaluated for impairment, Collectively	1,442,599		1,381,064
Total	1,445,242		1,383,133
Residential Real Estate [Member] \| Receivables Acquired with Deteriorated Credit Quality [Domain]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Acquired with deteriorated credit quality	92		13
Loans, Acquired with deteriorated credit quality	2,643		2,069
Home Equity [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Beginning balance	1,463	1,495
Allowance for loan loss, Charge-offs	(300)	(236)
Allowance for loan loss, Recoveries	0	0
Allowance for loan loss, Provision for acquired loans	0	0
Allowance for loan loss, Provision	284	249
Allowance for loan loss, Ending balance	1,447	1,508
Allowance for loan loss, Evaluated for impairment, Individually	0		0
Allowance for loan loss, Evaluated for impairment, Collectively	1,447		1,463
Allowance for loan loss, Total	1,447		1,463
Loans, Evaluated for impairment, Individually	0		0
Loans, Evaluated for impairment, Collectively	141,616		147,036
Total	141,616		147,036
Home Equity [Member] \| Receivables Acquired with Deteriorated Credit Quality [Domain]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Acquired with deteriorated credit quality	0		0
Loans, Acquired with deteriorated credit quality	0		0
Consumer Loan [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Beginning balance	97	85
Allowance for loan loss, Charge-offs	(102)	(171)
Allowance for loan loss, Recoveries	109	155
Allowance for loan loss, Provision for acquired loans	0	0
Allowance for loan loss, Provision	(29)	27
Allowance for loan loss, Ending balance	75	96
Allowance for loan loss, Evaluated for impairment, Individually	0		0
Allowance for loan loss, Evaluated for impairment, Collectively	75		97
Allowance for loan loss, Total	75		97
Loans, Evaluated for impairment, Individually	0		0
Loans, Evaluated for impairment, Collectively	33,499		35,997
Total	33,614		36,083
Consumer Loan [Member] \| Receivables Acquired with Deteriorated Credit Quality [Domain]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Acquired with deteriorated credit quality	0		0
Loans, Acquired with deteriorated credit quality	115		86
Demand Deposit Account Overdrafts [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Beginning balance	657	859
Allowance for loan loss, Charge-offs	(1,017)	(1,038)
Allowance for loan loss, Recoveries	585	593
Allowance for loan loss, Provision for acquired loans	0	0
Allowance for loan loss, Provision	454	391
Allowance for loan loss, Ending balance	679	$ 805
Allowance for loan loss, Evaluated for impairment, Individually	0		0
Allowance for loan loss, Evaluated for impairment, Collectively	679		657
Allowance for loan loss, Total	679		657
Loans, Evaluated for impairment, Individually	0		0
Loans, Evaluated for impairment, Collectively	2,965		3,361
Total	2,965		3,361
Demand Deposit Account Overdrafts [Member] \| Receivables Acquired with Deteriorated Credit Quality [Domain]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Acquired with deteriorated credit quality	0		0
Loans, Acquired with deteriorated credit quality	$ 0		$ 0

Loans, Acquired with Deteriorated Credit Quality

No definition available.

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- Definition

Reserve for loans impairments recorded after acquisition as a result of current information and events which result in it being probable that estimated cash flows will be less than previously expected or because actual cash flows are less than cash flows previously expected. This relates to loans not accounted for as debt securities, with evidence of deterioration of credit quality since origination that was acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
-Section 15
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=27045933&loc=d3e13503-111538

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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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- 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

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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.

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- Definition

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

+ References

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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=66008989&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=66008989&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 10
-Section S99
-Paragraph 4
-Subparagraph (SAB Topic 6.L.1)
-URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707

Reference 5: 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

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- 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=65884687&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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