Allowance For Loan Losses (Schedule Of Allowance For Loan Loss By Portfolio Segment) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan loss, Beginning balance	$ 18,809	$ 19,409
Allowance for loan loss, Charge-offs	1,314	3,159
Allowance for loan loss, Recoveries	488	428
Allowance for loan loss, Provision	1,738	1,950
Allowance for loan loss, Ending balance	19,721	18,628
Allowance for loan loss, Evaluated for impairment, Individually	750
Allowance for loan loss, Evaluated for impairment, Collectively	18,971		18,809
Allowance for loan loss, Acquired with deteriorated credit quality
Allowance for loan loss, Total	19,721		18,809
Loans, Evaluated for impairment, Individually	13,483		10,679
Loans, Evaluated for impairment, Collectively	2,435,454		2,128,672
Loans, Acquired with deteriorated credit quality	48,086		7,018
Loans, Total	2,497,023		2,146,369
Commercial And Industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan loss, Beginning balance	498	590
Allowance for loan loss, Charge-offs	62	69
Allowance for loan loss, Recoveries	1	3
Allowance for loan loss, Provision	67	25
Allowance for loan loss, Ending balance	504	549
Allowance for loan loss, Evaluated for impairment, Individually
Allowance for loan loss, Evaluated for impairment, Collectively	504		498
Allowance for loan loss, Acquired with deteriorated credit quality
Allowance for loan loss, Total	504		498
Loans, Evaluated for impairment, Collectively	142,647		107,044
Loans, Acquired with deteriorated credit quality	7,030		1,695
Loans, Total	149,677		108,739
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan loss, Beginning balance	10,440	11,666
Allowance for loan loss, Charge-offs	203	1,989
Allowance for loan loss, Recoveries	18	96
Allowance for loan loss, Provision	554	682
Allowance for loan loss, Ending balance	10,809	10,455
Allowance for loan loss, Evaluated for impairment, Individually	750
Allowance for loan loss, Evaluated for impairment, Collectively	10,059		10,440
Allowance for loan loss, Acquired with deteriorated credit quality
Allowance for loan loss, Total	10,809		10,440
Loans, Evaluated for impairment, Individually	12,719		9,912
Loans, Evaluated for impairment, Collectively	952,515		807,060
Loans, Acquired with deteriorated credit quality	36,219		4,998
Loans, Total	1,001,453		821,970
Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan loss, Beginning balance	5,229	3,591
Allowance for loan loss, Charge-offs	591	198
Allowance for loan loss, Recoveries	48	4
Allowance for loan loss, Provision	1,189	353
Allowance for loan loss, Ending balance	5,875	3,750
Allowance for loan loss, Evaluated for impairment, Individually
Allowance for loan loss, Evaluated for impairment, Collectively	5,875		5,229
Allowance for loan loss, Acquired with deteriorated credit quality
Allowance for loan loss, Total	5,875		5,229
Loans, Evaluated for impairment, Individually	466		469
Loans, Evaluated for impairment, Collectively	1,146,718		1,030,840
Loans, Acquired with deteriorated credit quality	2,227		126
Loans, Total	1,149,411		1,031,435
Home equity - junior lien [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan loss, Beginning balance	1,699	2,773
Allowance for loan loss, Charge-offs	116	509
Allowance for loan loss, Recoveries		1
Allowance for loan loss, Provision	52	701
Allowance for loan loss, Ending balance	1,635	2,966
Allowance for loan loss, Evaluated for impairment, Individually
Allowance for loan loss, Evaluated for impairment, Collectively	1,635		1,699
Allowance for loan loss, Acquired with deteriorated credit quality
Allowance for loan loss, Total	1,635		1,699
Loans, Evaluated for impairment, Individually	298		298
Loans, Evaluated for impairment, Collectively	135,425		142,724
Loans, Acquired with deteriorated credit quality	2,610		88
Loans, Total	138,333		143,110
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan loss, Beginning balance	81	88
Allowance for loan loss, Charge-offs	3	59
Allowance for loan loss, Recoveries	147	29
Allowance for loan loss, Provision	(149)	51
Allowance for loan loss, Ending balance	76	109
Allowance for loan loss, Evaluated for impairment, Individually
Allowance for loan loss, Evaluated for impairment, Collectively	76		81
Allowance for loan loss, Acquired with deteriorated credit quality
Allowance for loan loss, Total	76		81
Loans, Evaluated for impairment, Collectively	55,274		36,453
Loans, Acquired with deteriorated credit quality			111
Loans, Total	55,274		36,564
DDA Overdrafts [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan loss, Beginning balance	862	701
Allowance for loan loss, Charge-offs	339	335
Allowance for loan loss, Recoveries	274	295
Allowance for loan loss, Provision	25	138
Allowance for loan loss, Ending balance	822	799
Allowance for loan loss, Evaluated for impairment, Individually
Allowance for loan loss, Evaluated for impairment, Collectively	822		862
Allowance for loan loss, Acquired with deteriorated credit quality
Allowance for loan loss, Total	822		862
Loans, Evaluated for impairment, Collectively	2,875		4,551
Loans, Total	$ 2,875		$ 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

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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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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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