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Loans (Narrative) (Details) (USD $) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2011 | Dec. 31, 2010
Financing Receivable, Modifications [Line Items] |  |
Partial charge-offs on impaired loans | $ 88,700,000 | $ 53,600,000
Recorded investment, related to loans | 92,700,000 | 162,300,000
Recorded investment | 200,400,000 | 250,933,000
Troubled debt restructurings | 72,600,000 | 80,700,000
TDR's considered current | 47,900,000 | 50,300,000
Commitments to lend additional funds to borrowers | 502,000 | 434,000
With No Related Allowance Recorded [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Partial charge-offs on impaired loans | 37,600,000 | 12,000,000
With An Allowance Recorded [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Partial charge-offs on impaired loans | 51,100,000 | 41,600,000
Allowance For Loans And Leases Receivable [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Allowance for loans individually evaluated for impairment | $ 42,800,000 | $ 66,900,000

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- Definition Impaired Financing Receivable Recorded Investment Loans With Specific Reserve + References No definition available. + Details
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- Definition Partial Charge-Offs On Impaired Loans + References No definition available. + Details
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- Definition Troubled Debt Restructuring Current + References No definition available. + Details
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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -URI http://asc.fasb.org/extlink&oid=6965416&loc=SL6953423-111524 -Subparagraph (g) + Details
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- Definition The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=6965416&loc=SL6953670-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=6965416&loc=SL6953676-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6951948&loc=d3e18845-111554 + Details
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- Definition The recorded investment related to impaired financing receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=6965416&loc=SL6953550-111524 -Subparagraph (b) + Details
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- Definition Reflects the unfunded portion of contractual agreements to lend funds to borrowers for loans whose terms have been modified by troubled debt restructuring. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 15 -Paragraph 40 -Subparagraph b. -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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6951948&loc=d3e18794-111554 + Details
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