Loans And Allowance For Loan Losses (Recorded Investment And The Number Of Loans Modified As Troubled Debt Restructuring Which Subsequently Defaulted) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012 contract	Dec. 31, 2011 contract
Financing Receivable, Modifications [Line Items]
Number of Contracts	4	2
Recorded Investment	$ 1,788	$ 2,120
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts		1
Recorded Investment		1,883
Commercial [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	3	1
Recorded Investment	1,658	237
Real Estate Construction [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	1
Recorded Investment	$ 130