Loans (Allowance For Loan And Lease Loss And Individually And Collectively Evaluated For Impairment) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Jun. 30, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Dec. 31, 2010
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Amount	$ 4,658	$ 4,323	$ 4,280	$ 3,421	$ 2,986	$ 1,766
Individually Evaluated for Impairment	1,403		1,318
Collectively Evaluated for Impairment	3,255		2,962
Commercial And Industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Amount	1,115		748
Individually Evaluated for Impairment	277
Collectively Evaluated for Impairment	838		748
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Amount	3,365		3,370
Individually Evaluated for Impairment	1,103		1,318
Collectively Evaluated for Impairment	2,262		2,052
Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Amount	152		133
Individually Evaluated for Impairment	7
Collectively Evaluated for Impairment	145		133
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Amount	26		29
Individually Evaluated for Impairment	16
Collectively Evaluated for Impairment	$ 10		$ 29