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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

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