Allowance For Loan Losses (Schedule Of Allowance For Loan Loss By Portfolio Segment) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
Jun. 30, 2013	Jun. 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	3,306	4,287
Allowance for loan loss, Recoveries	817	705
Allowance for loan loss, Provision	3,749	3,625
Allowance for loan loss, Ending balance	20,069	19,452
Allowance for loan loss, Evaluated for impairment, Individually	750	0
Allowance for loan loss, Evaluated for impairment, Collectively	19,142	18,809
Allowance for loan loss, Acquired with deteriorated credit quality	177	0
Allowance for loan loss, Total	20,069	18,809	18,809
Loans, Evaluated for impairment, Individually	13,266	10,679
Loans, Evaluated for impairment, Collectively	2,480,913	2,128,672
Loans, Acquired with deteriorated credit quality	33,266	7,018
Total	2,527,445	2,146,369	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	392	117
Allowance for loan loss, Recoveries	21	2
Allowance for loan loss, Provision	939	110
Allowance for loan loss, Ending balance	1,066	585
Allowance for loan loss, Evaluated for impairment, Individually	0	0
Allowance for loan loss, Evaluated for impairment, Collectively	1,066	498
Allowance for loan loss, Acquired with deteriorated credit quality	0	0
Allowance for loan loss, Total	1,066	498
Loans, Evaluated for impairment, Individually	0	0
Loans, Evaluated for impairment, Collectively	133,697	107,044
Loans, Acquired with deteriorated credit quality	4,602	1,695
Total	138,299	108,739	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	622	2,015
Allowance for loan loss, Recoveries	34	97
Allowance for loan loss, Provision	642	1,341
Allowance for loan loss, Ending balance	10,494	11,089
Allowance for loan loss, Evaluated for impairment, Individually	750	0
Allowance for loan loss, Evaluated for impairment, Collectively	9,567	10,440
Allowance for loan loss, Acquired with deteriorated credit quality	177	0
Allowance for loan loss, Total	10,494	10,440
Loans, Evaluated for impairment, Individually	12,505	9,912
Loans, Evaluated for impairment, Collectively	985,856	807,060
Loans, Acquired with deteriorated credit quality	24,950	4,998
Total	1,023,311	821,970	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	1,111	494
Allowance for loan loss, Recoveries	68	7
Allowance for loan loss, Provision	1,792	720
Allowance for loan loss, Ending balance	5,978	3,824
Allowance for loan loss, Evaluated for impairment, Individually	0	0
Allowance for loan loss, Evaluated for impairment, Collectively	5,978	5,229
Allowance for loan loss, Acquired with deteriorated credit quality	0	0
Allowance for loan loss, Total	5,978	5,229
Loans, Evaluated for impairment, Individually	464	469
Loans, Evaluated for impairment, Collectively	1,168,267	1,030,840
Loans, Acquired with deteriorated credit quality	1,392	126
Total	1,170,123	1,031,435	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	270	856
Allowance for loan loss, Recoveries	0	11
Allowance for loan loss, Provision	222	1,009
Allowance for loan loss, Ending balance	1,651	2,937
Allowance for loan loss, Evaluated for impairment, Individually	0	0
Allowance for loan loss, Evaluated for impairment, Collectively	1,651	1,699
Allowance for loan loss, Acquired with deteriorated credit quality	0	0
Allowance for loan loss, Total	1,651	1,699
Loans, Evaluated for impairment, Individually	297	298
Loans, Evaluated for impairment, Collectively	135,856	142,724
Loans, Acquired with deteriorated credit quality	2,214	88
Total	138,367	143,110	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	224	95
Allowance for loan loss, Recoveries	217	64
Allowance for loan loss, Provision	7	171
Allowance for loan loss, Ending balance	81	228
Allowance for loan loss, Evaluated for impairment, Individually	0	0
Allowance for loan loss, Evaluated for impairment, Collectively	81	81
Allowance for loan loss, Acquired with deteriorated credit quality	0	0
Allowance for loan loss, Total	81	81
Loans, Evaluated for impairment, Individually	0	0
Loans, Evaluated for impairment, Collectively	54,134	36,453
Loans, Acquired with deteriorated credit quality	108	111
Total	54,242	36,564	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	687	710
Allowance for loan loss, Recoveries	477	524
Allowance for loan loss, Provision	147	274
Allowance for loan loss, Ending balance	799	789
Allowance for loan loss, Evaluated for impairment, Individually	0	0
Allowance for loan loss, Evaluated for impairment, Collectively	799	862
Allowance for loan loss, Acquired with deteriorated credit quality	0	0
Allowance for loan loss, Total	799	862
Loans, Evaluated for impairment, Individually	0	0
Loans, Evaluated for impairment, Collectively	3,103	4,551
Loans, Acquired with deteriorated credit quality	0	0
Total	$ 3,103	$ 4,551	$ 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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-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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