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Troubled Debt Restructurings (Loans By Class Of Financing Receivable Modified As TDRs) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012 contract	Sep. 30, 2011 contract	Sep. 30, 2012 contract	Sep. 30, 2011 contract
Troubled Debt Restructuring, Subsequent Periods [Line Items]
Number of Contracts	1	1	3	8
Troubled Debt Restructurings Within Previous Twelve Months [Member]
Troubled Debt Restructuring, Subsequent Periods [Line Items]
Number of Contracts	4	3	5	7
Recorded Investment	605	983	963	2,517
Commercial Real Estate Owner Occupied [Member]
Troubled Debt Restructuring, Subsequent Periods [Line Items]
Number of Contracts			1
Commercial Real Estate Owner Occupied [Member] \| Troubled Debt Restructurings Within Previous Twelve Months [Member]
Troubled Debt Restructuring, Subsequent Periods [Line Items]
Number of Contracts				2
Recorded Investment				613
Commercial Real Estate Non-Owner Occupied [Member]
Troubled Debt Restructuring, Subsequent Periods [Line Items]
Number of Contracts				1
Commercial Real Estate Non-Owner Occupied [Member] \| Troubled Debt Restructurings Within Previous Twelve Months [Member]
Troubled Debt Restructuring, Subsequent Periods [Line Items]
Number of Contracts	1		1
Recorded Investment	93		93
Residential Single Family [Member]
Troubled Debt Restructuring, Subsequent Periods [Line Items]
Number of Contracts		1	1	6
Residential Single Family [Member] \| Troubled Debt Restructurings Within Previous Twelve Months [Member]
Troubled Debt Restructuring, Subsequent Periods [Line Items]
Number of Contracts	3	3	4	5
Recorded Investment	512	983	870	1,904