Loans And Related Allowances For Loan Losses (Modification of Troubled Debt Restructuring By Class) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013 loan
Temporary Rate Modification [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	1
Recorded Investment	$ 172
Temporary Rate Modification [Member] \| Commercial real estate- non owner-occupied [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0
Recorded Investment	0
Temporary Rate Modification [Member] \| Commercial real estate- all other CRE [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0
Recorded Investment	0
Temporary Rate Modification [Member] \| Acquisition and development- 1-4 family residential construction [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0
Recorded Investment	0
Temporary Rate Modification [Member] \| Acquisition and development- All other A&D [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0
Recorded Investment	0
Temporary Rate Modification [Member] \| Commercial and industrial [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0
Recorded Investment	0
Temporary Rate Modification [Member] \| Residential mortgage- term [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	1
Recorded Investment	172
Temporary Rate Modification [Member] \| Residential mortgage- home equity [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0
Recorded Investment	0
Temporary Rate Modification [Member] \| Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0
Recorded Investment	0
Extension Of Maturity [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	6
Recorded Investment	835
Extension Of Maturity [Member] \| Commercial real estate- non owner-occupied [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	2
Recorded Investment	268
Extension Of Maturity [Member] \| Commercial real estate- all other CRE [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0
Recorded Investment	0
Extension Of Maturity [Member] \| Acquisition and development- 1-4 family residential construction [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0
Recorded Investment	0
Extension Of Maturity [Member] \| Acquisition and development- All other A&D [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	4
Recorded Investment	567
Extension Of Maturity [Member] \| Commercial and industrial [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0
Recorded Investment	0
Extension Of Maturity [Member] \| Residential mortgage- term [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0
Recorded Investment	0
Extension Of Maturity [Member] \| Residential mortgage- home equity [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0
Recorded Investment	0
Extension Of Maturity [Member] \| Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0
Recorded Investment	0
Modification Of Payment And Other Terms [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0
Recorded Investment	0
Modification Of Payment And Other Terms [Member] \| Commercial real estate- non owner-occupied [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0
Recorded Investment	0
Modification Of Payment And Other Terms [Member] \| Commercial real estate- all other CRE [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0
Recorded Investment	0
Modification Of Payment And Other Terms [Member] \| Acquisition and development- 1-4 family residential construction [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0
Recorded Investment	0
Modification Of Payment And Other Terms [Member] \| Acquisition and development- All other A&D [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0
Recorded Investment	0
Modification Of Payment And Other Terms [Member] \| Commercial and industrial [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0
Recorded Investment	0
Modification Of Payment And Other Terms [Member] \| Residential mortgage- term [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0
Recorded Investment	0
Modification Of Payment And Other Terms [Member] \| Residential mortgage- home equity [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0
Recorded Investment	0
Modification Of Payment And Other Terms [Member] \| Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0
Recorded Investment	$ 0