|
Allowance for Noncovered Loan and Lease Losses and Unfunded Commitments and Letters of Credit (Narrative) (Details) (Maximum [Member])
|
12 Months Ended |
|---|---|
|
Dec. 31, 2011
|
|
|
Maximum [Member]
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |
| Percentage of unallocated loan amount | 5.00% |