Allowance For Loan Losses (Schedule Of Allowance For Loan Loss By Portfolio Segment) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Beginning balance	$ 18,809	$ 19,409
Allowance for loan loss, Charge-offs	4,879	5,997
Allowance for loan loss, Recoveries	1,773	974
Allowance for loan loss, Provision	4,903	4,600
Allowance for loan loss, Ending balance	20,606	18,986
Allowance for loan loss, Evaluated for impairment, Individually	880		0
Allowance for loan loss, Evaluated for impairment, Collectively	19,636		18,809
Allowance for loan loss, Acquired with deteriorated credit quality	90		0
Allowance for loan loss, Total	20,606		18,809
Loans, Evaluated for impairment, Individually	12,840		10,679
Loans, Evaluated for impairment, Collectively	2,516,410		2,128,672
Loans, Acquired with deteriorated credit quality	29,206		7,018
Total	2,558,456		2,146,369
Commercial And Industrial [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Beginning balance	498	590
Allowance for loan loss, Charge-offs	772	126
Allowance for loan loss, Recoveries	51	12
Allowance for loan loss, Provision	1,460	45
Allowance for loan loss, Ending balance	1,237	521
Allowance for loan loss, Evaluated for impairment, Individually	0		0
Allowance for loan loss, Evaluated for impairment, Collectively	1,237		498
Allowance for loan loss, Acquired with deteriorated credit quality	0		0
Allowance for loan loss, Total	1,237		498
Loans, Evaluated for impairment, Individually	0		0
Loans, Evaluated for impairment, Collectively	148,262		107,044
Loans, Acquired with deteriorated credit quality	2,923		1,695
Total	151,185		108,739
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Beginning balance	10,440	11,666
Allowance for loan loss, Charge-offs	803	2,860
Allowance for loan loss, Recoveries	669	100
Allowance for loan loss, Provision	201	1,684
Allowance for loan loss, Ending balance	10,507	10,590
Allowance for loan loss, Evaluated for impairment, Individually	880		0
Allowance for loan loss, Evaluated for impairment, Collectively	9,537		10,440
Allowance for loan loss, Acquired with deteriorated credit quality	90		0
Allowance for loan loss, Total	10,507		10,440
Loans, Evaluated for impairment, Individually	12,082		9,912
Loans, Evaluated for impairment, Collectively	987,711		807,060
Loans, Acquired with deteriorated credit quality	22,485		4,998
Total	1,022,278		821,970
Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Beginning balance	5,229	3,591
Allowance for loan loss, Charge-offs	1,598	746
Allowance for loan loss, Recoveries	137	15
Allowance for loan loss, Provision	2,481	955
Allowance for loan loss, Ending balance	6,249	3,815
Allowance for loan loss, Evaluated for impairment, Individually	0		0
Allowance for loan loss, Evaluated for impairment, Collectively	6,249		5,229
Allowance for loan loss, Acquired with deteriorated credit quality	0		0
Allowance for loan loss, Total	6,249		5,229
Loans, Evaluated for impairment, Individually	461		469
Loans, Evaluated for impairment, Collectively	1,186,995		1,030,840
Loans, Acquired with deteriorated credit quality	1,385		126
Total	1,188,841		1,031,435
Home equity - junior liens (including lines of credit) [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Beginning balance	1,699	2,773
Allowance for loan loss, Charge-offs	278	989
Allowance for loan loss, Recoveries	0	12
Allowance for loan loss, Provision	268	1,250
Allowance for loan loss, Ending balance	1,689	3,046
Allowance for loan loss, Evaluated for impairment, Individually	0		0
Allowance for loan loss, Evaluated for impairment, Collectively	1,689		1,699
Allowance for loan loss, Acquired with deteriorated credit quality	0		0
Allowance for loan loss, Total	1,689		1,699
Loans, Evaluated for impairment, Individually	297		298
Loans, Evaluated for impairment, Collectively	138,285		142,724
Loans, Acquired with deteriorated credit quality	2,305		88
Total	140,887		143,110
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Beginning balance	81	88
Allowance for loan loss, Charge-offs	326	148
Allowance for loan loss, Recoveries	242	90
Allowance for loan loss, Provision	79	75
Allowance for loan loss, Ending balance	76	105
Allowance for loan loss, Evaluated for impairment, Individually	0		0
Allowance for loan loss, Evaluated for impairment, Collectively	76		81
Allowance for loan loss, Acquired with deteriorated credit quality	0		0
Allowance for loan loss, Total	76		81
Loans, Evaluated for impairment, Individually	0		0
Loans, Evaluated for impairment, Collectively	50,649		36,453
Loans, Acquired with deteriorated credit quality	108		111
Total	50,757		36,564
DDA Overdrafts [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Beginning balance	862	701
Allowance for loan loss, Charge-offs	1,102	1,128
Allowance for loan loss, Recoveries	674	745
Allowance for loan loss, Provision	414	591
Allowance for loan loss, Ending balance	848	909
Allowance for loan loss, Evaluated for impairment, Individually	0		0
Allowance for loan loss, Evaluated for impairment, Collectively	848		862
Allowance for loan loss, Acquired with deteriorated credit quality	0		0
Allowance for loan loss, Total	848		862
Loans, Evaluated for impairment, Individually	0		0
Loans, Evaluated for impairment, Collectively	4,508		4,551
Loans, Acquired with deteriorated credit quality	0		0
Total	$ 4,508		$ 4,551

The balance of financing receivables that were acquired with deteriorated credit quality.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

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

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The valuation allowance for financing receivables acquired with deteriorated credit quality.

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

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

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

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

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

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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.

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-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 210

-Section S99

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-Subparagraph (SX 210.9-03.7(d))

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section L

-Subsection 1

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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.

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The sum of the periodic provision charged to earnings, based on an assessment of uncollectibility from the counterparty on account of loan, lease or other credit losses, to reduce these accounts to the amount that approximates their net realizable value.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 28

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Name Audit and Accounting Guide (AAG)

-Number AAG-DEP

-Paragraph 168, 169, 170

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