v2.4.0.6

Allowance for Noncovered Loan and Lease Losses and Unfunded Commitments and Letters of Credit (Analysis of Credit Quality of Noncovered Loan Portfolio) (Details) (Noncovered Loans [Member], USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2011 risk_rating | Dec. 31, 2010 risk_rating
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Recorded Investment Noncovered Loans |  | $ 1,927,191
Total noncovered loans, net of unearned income | 2,348,371 | 1,915,754
Commercial Portfolio Segment [Member] | Secured Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted-Average Risk Rating | 4.89 | 4.96
Recorded Investment Noncovered Loans |  | 757,372
Total noncovered loans, net of unearned income | 981,417 |
Commercial Portfolio Segment [Member] | Unsecured Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted-Average Risk Rating | 4.25 | 4.23
Recorded Investment Noncovered Loans |  | 41,175
Total noncovered loans, net of unearned income | 47,406 |
Real Estate Portfolio Segment [Member] | One-to-Four Family Residential [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted-Average Risk Rating | 4.81 | 4.96
Recorded Investment Noncovered Loans |  | 49,436
Total noncovered loans, net of unearned income | 64,063 |
Real Estate Portfolio Segment [Member] | Commercial Land [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted-Average Risk Rating | 5.22 | 5.75
Recorded Investment Noncovered Loans |  | 24,956
Total noncovered loans, net of unearned income | 50,681 |
Real Estate Portfolio Segment [Member] | Income Property Multifamily [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted-Average Risk Rating | 4.94 | 5.07
Recorded Investment Noncovered Loans |  | 406,711
Total noncovered loans, net of unearned income | 533,993 |
Real Estate Portfolio Segment [Member] | Owner Occupied [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted-Average Risk Rating | 5.05 | 5.12
Recorded Investment Noncovered Loans |  | 366,284
Total noncovered loans, net of unearned income | 404,789 |
Real Estate Construction Portfolio Segment [Member] | Income Property Multifamily [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted-Average Risk Rating | 5.49 | 6.38
Recorded Investment Noncovered Loans |  | 18,296
Total noncovered loans, net of unearned income | 20,877 |
Real Estate Construction Portfolio Segment [Member] | Owner Occupied [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted-Average Risk Rating | 4.55 | 4.93
Recorded Investment Noncovered Loans |  | 11,990
Total noncovered loans, net of unearned income | 12,790 |
Real Estate Construction Portfolio Segment [Member] | Land And Acquisition [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted-Average Risk Rating | 6.43 | 6.79
Recorded Investment Noncovered Loans |  | 37,054
Total noncovered loans, net of unearned income | 25,201 |
Real Estate Construction Portfolio Segment [Member] | Residential Construction [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted-Average Risk Rating | 5.94 | 6.63
Recorded Investment Noncovered Loans |  | 31,293
Total noncovered loans, net of unearned income | 23,931 |
Consumer Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Weighted-Average Risk Rating | 4.24 | 4.31
Recorded Investment Noncovered Loans |  | 182,624
Total noncovered loans, net of unearned income | $ 183,223 |

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- Definition Reflects the aggregate gross carrying amount of all categories of loans and leases held in portfolio, prior to deducting deferred income and the allowance for losses on loans and leases. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 01-6 -Paragraph 13 -Subparagraph e -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 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6375948&loc=d3e4428-111522 + Details
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- Definition Reflects the aggregate gross carrying amount of all categories of loans and leases held in portfolio, after deducting deferred income, but before deducting the allowance for losses on loans and leases. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6965416&loc=d3e5074-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6375948&loc=d3e4428-111522 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 01-6 -Paragraph 13 -Subparagraph e -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 AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-DEP -Chapter 8 -Paragraph 116 -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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Chapter V -Section 563c.102 -Paragraph 8 -Subparagraph e -Subsection I -LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy. + Details
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