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, 2012	Jun. 30, 2011	Dec. 31, 2011
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan loss, Beginning balance	$ 19,409	$ 18,224
Allowance for loan loss, Charge-offs	(4,287)	(2,491)
Allowance for loan loss, Recoveries	705	839
Allowance for loan loss, Provision	3,625	2,372
Allowance for loan loss, Ending balance	19,452	18,944
Allowance for loan loss, Evaluated for impairment, Individually	1,295		2,666
Allowance for loan loss, Evaluated for impairment, Collectively	18,157		16,743
Allowance for loan loss, Total	19,452		19,409
Loans, Evaluated for impairment, Individually	13,411		16,166
Loans, Evaluated for impairment, Collectively	2,045,538		1,956,937
Financing Receivable, Acquired with Deteriorated Credit Quality	6,640
Loans, Total	2,065,589		1,973,103
Commercial And Industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan loss, Beginning balance	590	1,864
Allowance for loan loss, Charge-offs	(117)	(75)
Allowance for loan loss, Recoveries	2	6
Allowance for loan loss, Provision	110	(851)
Allowance for loan loss, Ending balance	585	944
Allowance for loan loss, Evaluated for impairment, Collectively	585		590
Allowance for loan loss, Total	585		590
Loans, Evaluated for impairment, Individually			81
Loans, Evaluated for impairment, Collectively	116,288		130,818
Loans, Total	116,288		130,899
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan loss, Beginning balance	11,666	8,488
Allowance for loan loss, Charge-offs	(2,015)	(200)
Allowance for loan loss, Recoveries	97	28
Allowance for loan loss, Provision	1,341	1,707
Allowance for loan loss, Ending balance	11,089	10,023
Allowance for loan loss, Evaluated for impairment, Individually	1,295		2,666
Allowance for loan loss, Evaluated for impairment, Collectively	9,794		9,000
Allowance for loan loss, Total	11,089		11,666
Loans, Evaluated for impairment, Individually	12,640		15,311
Loans, Evaluated for impairment, Collectively	748,896		716,835
Financing Receivable, Acquired with Deteriorated Credit Quality	6,640
Loans, Total	768,176		732,146
Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan loss, Beginning balance	3,591	4,149
Allowance for loan loss, Charge-offs	(494)	(927)
Allowance for loan loss, Recoveries	7	18
Allowance for loan loss, Provision	720	1,062
Allowance for loan loss, Ending balance	3,824	4,302
Allowance for loan loss, Evaluated for impairment, Collectively	3,824		3,591
Allowance for loan loss, Total	3,824		3,591
Loans, Evaluated for impairment, Individually	472		476
Loans, Evaluated for impairment, Collectively	694,046		638,109
Loans, Total	694,518		638,585
Home equity - junior liens (including lines of credit) [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan loss, Beginning balance	2,773	2,640
Allowance for loan loss, Charge-offs	(856)	(405)
Allowance for loan loss, Recoveries	11	5
Allowance for loan loss, Provision	1,009	437
Allowance for loan loss, Ending balance	2,937	2,677
Allowance for loan loss, Evaluated for impairment, Collectively	2,937		2,773
Allowance for loan loss, Total	2,937		2,773
Loans, Evaluated for impairment, Individually	299		298
Loans, Evaluated for impairment, Collectively	445,599		432,702
Loans, Total	445,898		433,000
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan loss, Beginning balance	88	95
Allowance for loan loss, Charge-offs	(95)	(58)
Allowance for loan loss, Recoveries	64	49
Allowance for loan loss, Provision	171	4
Allowance for loan loss, Ending balance	228	90
Allowance for loan loss, Evaluated for impairment, Collectively	228		88
Allowance for loan loss, Total	228		88
Loans, Evaluated for impairment, Collectively	37,383		35,845
Loans, Total	37,383		35,845
DDA Overdrafts [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan loss, Beginning balance	701	988
Allowance for loan loss, Charge-offs	(710)	(826)
Allowance for loan loss, Recoveries	524	733
Allowance for loan loss, Provision	274	13
Allowance for loan loss, Ending balance	789	908
Allowance for loan loss, Evaluated for impairment, Collectively	789		701
Allowance for loan loss, Total	789		701
Loans, Evaluated for impairment, Collectively	3,326		2,628
Loans, Total	$ 3,326		$ 2,628

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

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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 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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-Number 5

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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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