Loans And Allowance For Loan Losses (Loans Modified As Troubled Debt Restructurings) (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 Modifications	24	18
Recorded Investment	$ 27,078	$ 30,739
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Modifications	12	3
Recorded Investment	22,713	16,017
One-To-Four Family Residential [Member]
Financing Receivable, Modifications [Line Items]
Number of Modifications	3
Recorded Investment	110
Real Estate Construction [Member]
Financing Receivable, Modifications [Line Items]
Number of Modifications	1	1
Recorded Investment	847	8,106
Commercial [Member]
Financing Receivable, Modifications [Line Items]
Number of Modifications	7	13
Recorded Investment	3,328	6,504
Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of Modifications	1	1
Recorded Investment	$ 80	$ 112