Loan Quality (Troubled Debt Restructurings By Type Of Loan Concession) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended				3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012 Maturity [Member]	Sep. 30, 2011 Maturity [Member]	Sep. 30, 2011 Rate [Member]	Sep. 30, 2011 Rate [Member]	Sep. 30, 2011 Payment [Member]	Sep. 30, 2011 Payment [Member]	Sep. 30, 2012 Multiple [Member]	Sep. 30, 2012 Multiple [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	2	9	9	2	1	1	3	1	5	1	7
Pre-TDR Modification	$ 4,561	$ 5,367	$ 9,328	$ 2,223	$ 263	$ 30	$ 2,950	$ 4,531	$ 6,115	$ 221	$ 3,144
After-TDR Modification	2,693	5,600	7,460	2,223	263	30	2,950	2,663	4,247	240	3,377
Recorded Investment	$ 2,519	$ 4,778	$ 4,607	$ 1,818	$ 249	$ 29	$ 90	$ 2,490	$ 4,268	$ 240	$ 2,960