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, 2012	Sep. 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	5,997	3,872
Allowance for loan loss, Recoveries	974	3,124
Allowance for loan loss, Provision	4,600	2,372
Allowance for loan loss, Ending balance	18,986	19,848
Allowance for loan loss, Evaluated for impairment, Individually			2,666
Allowance for loan loss, Evaluated for impairment, Collectively	18,986		16,743
Allowance for loan loss, Total	18,986		19,409
Loans, Evaluated for impairment, Individually	10,770		16,166
Loans, Evaluated for impairment, Collectively	2,067,974		1,956,937
Loans, Acquired with deteriorated credit quality	6,488
Loans, Total	2,085,232		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	126	275
Allowance for loan loss, Recoveries	12	8
Allowance for loan loss, Provision	45	(1,032)
Allowance for loan loss, Ending balance	521	565
Allowance for loan loss, Evaluated for impairment, Collectively	521		590
Allowance for loan loss, Total	521		590
Loans, Evaluated for impairment, Individually			81
Loans, Evaluated for impairment, Collectively	105,027		130,818
Loans, Total	105,027		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	2,860	341
Allowance for loan loss, Recoveries	100	1,982
Allowance for loan loss, Provision	1,684	1,942
Allowance for loan loss, Ending balance	10,590	12,071
Allowance for loan loss, Evaluated for impairment, Individually			2,666
Allowance for loan loss, Evaluated for impairment, Collectively	10,590		9,000
Allowance for loan loss, Total	10,590		11,666
Loans, Evaluated for impairment, Individually	10,002		15,311
Loans, Evaluated for impairment, Collectively	771,716		716,835
Loans, Acquired with deteriorated credit quality	6,169
Loans, Total	787,887		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	746	1,191
Allowance for loan loss, Recoveries	15	19
Allowance for loan loss, Provision	955	744
Allowance for loan loss, Ending balance	3,815	3,721
Allowance for loan loss, Evaluated for impairment, Collectively	3,815		3,591
Allowance for loan loss, Total	3,815		3,591
Loans, Evaluated for impairment, Individually	471		476
Loans, Evaluated for impairment, Collectively	1,007,710		929,312
Loans, Acquired with deteriorated credit quality	124
Loans, Total	1,008,305		929,788
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	989	614
Allowance for loan loss, Recoveries	12	6
Allowance for loan loss, Provision	1,250	538
Allowance for loan loss, Ending balance	3,046	2,570
Allowance for loan loss, Evaluated for impairment, Collectively	3,046		2,773
Allowance for loan loss, Total	3,046		2,773
Loans, Evaluated for impairment, Individually	297		298
Loans, Evaluated for impairment, Collectively	142,674		141,499
Loans, Acquired with deteriorated credit quality	87
Loans, Total	143,058		141,797
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan loss, Beginning balance	88	95
Allowance for loan loss, Charge-offs	148	133
Allowance for loan loss, Recoveries	90	107
Allowance for loan loss, Provision	75	23
Allowance for loan loss, Ending balance	105	92
Allowance for loan loss, Evaluated for impairment, Collectively	105		88
Allowance for loan loss, Total	105		88
Loans, Evaluated for impairment, Collectively	38,177		35,845
Loans, Acquired with deteriorated credit quality	108
Loans, Total	38,285		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	1,128	1,318
Allowance for loan loss, Recoveries	745	1,002
Allowance for loan loss, Provision	591	157
Allowance for loan loss, Ending balance	909	829
Allowance for loan loss, Evaluated for impairment, Collectively	909		701
Allowance for loan loss, Total	909		701
Loans, Evaluated for impairment, Collectively	2,670		2,628
Loans, Total	$ 2,670		$ 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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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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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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