Loans (Allowance For Loan Losses And Recorded Investment In Financing Receivables) (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 Losses, Beginning Balance	$ 16,825	$ 15,482
Charge-offs	(208)	(2,322)
Recoveries	219	253
Provision for loan losses	650	1,125
Allowance for Loan Losses, Ending Balance	17,486	14,538
Allowance for loan losses: Ending balance: individually evaluated for impairment	2,257	119	36
Allowance for loan losses: Ending balance: collectively evaluated for impairment	15,229	14,419	16,789
Loans receivables, Ending Balance	705,816	702,404	708,136
Loans receivables: Ending balance: individually evaluated for impairment	20,912	13,877	11,142
Loans Receivable: Ending balance: collectively evaluated for impairment	684,904	688,527	696,994
Commercial and industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Beginning Balance	1,507	2,582
Charge-offs	(36)	(1,994)
Recoveries	216	2
Provision for loan losses	(125)	1,169
Allowance for Loan Losses, Ending Balance	1,562	1,759
Allowance for loan losses: Ending balance: individually evaluated for impairment	29	44	29
Allowance for loan losses: Ending balance: collectively evaluated for impairment	1,533	1,715	1,478
Loans receivables, Ending Balance	51,474	61,480	49,004
Loans receivables: Ending balance: individually evaluated for impairment	342	279	341
Loans Receivable: Ending balance: collectively evaluated for impairment	51,132	61,201	48,663
Commercial real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Beginning Balance	6,576	6,007
Charge-offs	(35)	(39)
Recoveries		250
Provision for loan losses	(297)	201
Allowance for Loan Losses, Ending Balance	6,244	6,419
Allowance for loan losses: Ending balance: individually evaluated for impairment	7	66	7
Allowance for loan losses: Ending balance: collectively evaluated for impairment	6,237	6,353	6,569
Loans receivables, Ending Balance	240,940	236,068	243,019
Loans receivables: Ending balance: individually evaluated for impairment	12,002	9,264	9,009
Loans Receivable: Ending balance: collectively evaluated for impairment	228,938	226,804	234,010
Commercial real estate construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Beginning Balance	518	548
Provision for loan losses	1,583	(7)
Allowance for Loan Losses, Ending Balance	2,101	541
Allowance for loan losses: Ending balance: individually evaluated for impairment	1,806	9
Allowance for loan losses: Ending balance: collectively evaluated for impairment	295	532	518
Loans receivables, Ending Balance	19,179	21,897	19,154
Loans receivables: Ending balance: individually evaluated for impairment	6,238	2,623	854
Loans Receivable: Ending balance: collectively evaluated for impairment	12,941	19,274	18,300
Residential mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Beginning Balance	3,721	3,624
Charge-offs	(114)	(200)
Recoveries	1
Provision for loan losses	475	243
Allowance for Loan Losses, Ending Balance	4,083	3,667
Allowance for loan losses: Ending balance: individually evaluated for impairment	415
Allowance for loan losses: Ending balance: collectively evaluated for impairment	3,668	3,667	3,721
Loans receivables, Ending Balance	326,726	315,381	328,836
Loans receivables: Ending balance: individually evaluated for impairment	2,330	1,711	938
Loans Receivable: Ending balance: collectively evaluated for impairment	324,396	313,670	327,898
Home equity lines of credit [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Beginning Balance	517	507
Charge-offs		(51)
Provision for loan losses	(1)	90
Allowance for Loan Losses, Ending Balance	516	546
Allowance for loan losses: Ending balance: collectively evaluated for impairment	516	546	517
Loans receivables, Ending Balance	52,847	52,042	53,130
Loans Receivable: Ending balance: collectively evaluated for impairment	52,847	52,042	53,130
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Beginning Balance	633	419
Charge-offs	(23)	(38)
Recoveries	2	1
Provision for loan losses	53	82
Allowance for Loan Losses, Ending Balance	665	464
Allowance for loan losses: Ending balance: collectively evaluated for impairment	665	464	633
Loans receivables, Ending Balance	14,650	15,536	14,993
Loans Receivable: Ending balance: collectively evaluated for impairment	14,650	15,536	14,993
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Beginning Balance	3,353	1,795
Provision for loan losses	(1,038)	(653)
Allowance for Loan Losses, Ending Balance	2,315	1,142
Allowance for loan losses: Ending balance: collectively evaluated for impairment	$ 2,315	$ 1,142	$ 3,353