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Allowance for Noncovered Loan and Lease Losses and Unfunded Commitments and Letters of Credit (Changes in the Allowance for Unfunded Commitments and Letters of Credit) (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2009
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| Allowance For Loan And Lease Losses And Unfunded Loan Commitments And Letters Of Credit | |||
| Beginning balance | $ 1,165 | $ 775 | $ 500 |
| Net changes in the allowance for unfunded commitments and letters of credit | 370 | 390 | 275 |
| Ending balance | $ 1,535 | $ 1,165 | $ 775 |