Loans (Schedule Of Restructured Trouble Debt Restructuring By Class) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Financing Receivable, Modifications [Line Items]
Number of Modifications	30	25
Pre-modification Recorded Investment	$ 17,777	$ 20,501
Post-modification Recorded Investment	16,465	19,967
Commercial [Member]
Financing Receivable, Modifications [Line Items]
Number of Modifications	9	1
Pre-modification Recorded Investment	6,238	63
Post-modification Recorded Investment	5,681	63
Owner-Occupied [Member]
Financing Receivable, Modifications [Line Items]
Number of Modifications		4
Pre-modification Recorded Investment		2,463
Post-modification Recorded Investment		2,463
Non-Owner Occupied [Member]
Financing Receivable, Modifications [Line Items]
Number of Modifications	3	5
Pre-modification Recorded Investment	4,063	7,248
Post-modification Recorded Investment	3,685	7,248
Land And Land Development [Member]
Financing Receivable, Modifications [Line Items]
Number of Modifications	3	5
Pre-modification Recorded Investment	3,715	3,715
Post-modification Recorded Investment	2,927	3,683
Construction [Member]
Financing Receivable, Modifications [Line Items]
Number of Modifications
Pre-modification Recorded Investment
Post-modification Recorded Investment
Non-Jumbo [Member]
Financing Receivable, Modifications [Line Items]
Number of Modifications	8	6
Pre-modification Recorded Investment	1,394	1,743
Post-modification Recorded Investment	1,405	1,648
Jumbo [Member]
Financing Receivable, Modifications [Line Items]
Number of Modifications	3	3
Pre-modification Recorded Investment	2,301	5,261
Post-modification Recorded Investment	2,701	4,854
Home Equity [Member]
Financing Receivable, Modifications [Line Items]
Number of Modifications
Pre-modification Recorded Investment
Post-modification Recorded Investment
Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of Modifications	4	1
Pre-modification Recorded Investment	66	8
Post-modification Recorded Investment	$ 66	$ 8