Allowance For Loan Losses And Credit Quality Of Financing Receivables (Average Recorded Investment And Interest Paid) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Financing Receivable, Impaired [Line Items]
With no recorded allowance, Average Recorded Investment	$ 10,647	$ 8,753	$ 10,951	$ 10,247
With no recorded allowance, Interest Income Recognized	33	21	75	83
With an allowance recorded, Average Recorded Investment	3,979	16,246	4,247	16,990
With an allowance recorded, Interest Income Recognized		15	3	79
Average Recorded Investment	14,626	24,999	15,198	27,237
Interest Income Recognized	33	36	78	162
Commercial And Industrial [Member]
Financing Receivable, Impaired [Line Items]
With an allowance recorded, Average Recorded Investment		398		189
Construction [Member]
Financing Receivable, Impaired [Line Items]
With no recorded allowance, Average Recorded Investment		2,251	329	1,986
With an allowance recorded, Average Recorded Investment	328	1,765	374	1,405
With an allowance recorded, Interest Income Recognized		3		3
Commercial Real Estate [Member]
Financing Receivable, Impaired [Line Items]
With no recorded allowance, Average Recorded Investment	8,386	4,538	8,334	6,505
With no recorded allowance, Interest Income Recognized	11	12	51	42
With an allowance recorded, Average Recorded Investment	2,764	13,092	2,927	14,610
With an allowance recorded, Interest Income Recognized		10		59
Residential Real Estate [Member]
Financing Receivable, Impaired [Line Items]
With no recorded allowance, Average Recorded Investment	2,261	1,964	2,288	1,756
With no recorded allowance, Interest Income Recognized	22	9	24	41
With an allowance recorded, Average Recorded Investment	887	991	946	786
With an allowance recorded, Interest Income Recognized		$ 2	$ 3	$ 17