v2.4.0.6

Covered Assets and FDIC Loss-sharing Asset (Narrative) (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Covered Assets And FDIC Loss Sharing Asset [Line Items] |  |  |
Payment Of Clawback If Losses Less Than Stated Levels, Period After Acquisition | 10 years 45 days |  |
Percentage of Clawback | 50.00% |  |
Percentage of stated threshold | 20.00% |  |
Percentage of assets premium | 25.00% |  |
Amount of estimated clawback liability | $ 3,700,000 | $ 0 |
Provision (recapture) for loan and lease losses | 5,752,000 | 47,346,000 | 63,500,000
Federal deposit insurance corporation loss-sharing indemnified assets | 157,500,000 | 170,700,000 |
Federal deposit insurance corporation loss-sharing indemnified assets receivable | 17,600,000 | 35,300,000 |
Maximum [Member] |  |  |
Covered Assets And FDIC Loss Sharing Asset [Line Items] |  |  |
Loss Recovery Provision Effective Years | 10 years |  |
Loss Sharing Agreement Effective Years | 10 years |  |
Percentage of cumulative loss-sharing | 25.00% |  |
Minimum [Member] |  |  |
Covered Assets And FDIC Loss Sharing Asset [Line Items] |  |  |
Loss Recovery Provision Effective Years | 8 years |  |
Loss Sharing Agreement Effective Years | 5 years |  |
Percentage of cumulative loss-sharing | 20.00% |  |
Covered Loans [Member] |  |  |
Covered Assets And FDIC Loss Sharing Asset [Line Items] |  |  |
Percentage of loss shared by FDIC When Loss Share Thresholds Met |  | 95.00% |
Percentage of loss shared by FDIC | 80.00% |  |
FDIC Percentage Of Loss Recoveries | 80.00% | 95.00% |
Provision (recapture) for loan and lease losses | (1,648,000) | 6,055,000 | 0
Impairment expenses | (589,000) |  |
Negative provision to adjust allowance for loss | $ (1,000,000) |  |

X
- Definition Amount of estimated clawback liability + References No definition available. + Details
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Balance Type: | credit
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X
- Definition Clawback Percentage of Calculated Excess Amount + References No definition available. + Details
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Data Type: | num:percentItemType
Balance Type: | na
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- Details
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- Definition FDIC Percentage Of Loss Recoveries + References No definition available. + Details
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X
- Definition Federal deposit insurance corporation loss-sharing indemnified assets + References No definition available. + Details
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- Definition Federal deposit insurance corporation loss-sharing indemnified assets receivable + References No definition available. + Details
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- Definition Loss Recovery Provision Effective Years + References No definition available. + Details
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- Definition Loss Sharing Agreement Effective Years + References No definition available. + Details
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X
- Definition Minimum Percentage of Stated Threshold Amount Where Clawback Calculation Begins + References No definition available. + Details
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- Definition Negative provision to adjust allowance for loss + References No definition available. + Details
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Balance Type: | credit
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- Definition Payment Of Clawback If Losses Less Than Stated Levels, Period After Acquisition + References No definition available. + Details
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- Definition Percentage of Asset Premium Discount Used In Clawback Calculation + References No definition available. + Details
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- Definition Percentage Of Cumulative Loss Sharing Payments Used in Clawback Calculation + References No definition available. + Details
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- Definition Percentage of loss shared by FDIC + References No definition available. + Details
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- Definition Percentage of loss shared by FDIC When Loss Share Thresholds Met + References No definition available. + Details
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- Definition The charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6390789&loc=d3e2420-110228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 45, 46, 47 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 + Details
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- Definition The sum of the periodic provision charged to operations, based on an assessment of the uncollectibility of the loan and lease portfolio, the offset to which is either added to or deducted from the allowance account for the purpose of reducing loan receivable and leases to an amount that approximates their net realizable value (the amount expected to be collected). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 9 -Section 04 -Paragraph 11 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-DEP -Chapter 5 -Paragraph 168, 169, 170 -IssueDate 2006-05-01 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 + Details
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