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NON-COVERED LOANS AND ALLOWANCE FOR LOAN LOSSES (Details) (USD $) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2011 | Sep. 30, 2010 | Dec. 31, 2010
Schedule of Non-Covered Loans Receivable [Line Items] |  |  |
Loans receivable, excluding covered loans, gross | $ 9,807,250,000 |  | $ 8,717,388,000
Unearned fees, premiums, and discounts, net | (16,746,000) |  | (56,781,000)
Allowance for non-covered loans receivable | (211,738,000) |  | (230,408,000)
Non-covered loans receivable, excluding covered loans, net | 9,578,766,000 |  | 8,430,199,000
Accrued interest on covered and non-covered loans receivable | 66,000,000 |  | 65,600,000
Covered and non-covered loans receivable pledged to secure borrowings from the FHLB and Federal Reserve Bank | 8,100,000,000 |  | 8,140,000,000
Number of units of which residential property securing fixed and adjustable rate first mortgage loans consist, minimum | 1 |  |
Number of units of which residential property securing fixed and adjustable rate first mortgage loans consist, maximum | 4 |  |
Amount of new first mortgage loans originated on single-family residential properties | 585,000,000 | 299,300,000 |
Amount of new first mortgage loans originated on multifamily residential properties | 34,100,000 | 19,100,000 |
Adjustable rate mortgage, term of initial fixed interest rates, minimum (in months) | 6M |  |
Adjustable rate mortgage, term of initial fixed interest rates, midrange (in years) | 3Y |  |
Adjustable rate mortgage, term of initial fixed interest rates, maximum (in years) | 5Y |  |
Amount of single-family loans with interest-only features | 5,600,000 |  | 7,800,000
Ratio of single-family mortgage loans with interest-only features to total single-family loans (in hundredths) | 1.00% |  | 1.00%
Amount of acquired residential mortgage loans with variable payment option features | 14,100,000 |  | 16,900,000
Ratio of residential mortgage loans with variable payment option features to total residential mortgage loans (in hundredths) | 1.00% |  | 1.00%
Credit Risk and Concentrations [Abstract] |  |  |
Percentage of non-covered loans secured by real properties located in California (in hundredths) | 93.00% |  |
Purchased Loans [Abstract] |  |  |
Loans acquired during the period | 603,200,000 |  |
Carrying amount of student loans acquired during the period | 513,700,000 |  |
Loans Held for Sale [Abstract] |  |  |
Total loans held for sale | 251,920,000 |  | 220,055,000
Percentage of loans held for sale that were student loans reclassified to loans held for sale during the period (in hundredths) | 87.00% |  |
Proceeds from sales of loans held for sale during the period | 637,500,000 | 167,600,000 |
Net gain from sale of loans held for sale during the period | 14,500,000 | 2,800,000 |
Residential [Member] |  |  |
Schedule of Non-Covered Loans Receivable [Line Items] |  |  |
Loans receivable, excluding covered loans, gross | 2,460,382,000 |  | 2,093,769,000
Residential [Member] | Single-family [Member] |  |  |
Schedule of Non-Covered Loans Receivable [Line Items] |  |  |
Loans receivable, excluding covered loans, gross | 1,517,954,000 |  | 1,119,024,000
Residential [Member] | Multifamily [Member] |  |  |
Schedule of Non-Covered Loans Receivable [Line Items] |  |  |
Loans receivable, excluding covered loans, gross | 942,428,000 |  | 974,745,000
Commercial Real Estate [Member] |  |  |
Schedule of Non-Covered Loans Receivable [Line Items] |  |  |
Loans receivable, excluding covered loans, gross | 3,831,141,000 |  | 3,906,738,000
Commercial Real Estate [Member] | Income Producing [Member] |  |  |
Schedule of Non-Covered Loans Receivable [Line Items] |  |  |
Loans receivable, excluding covered loans, gross | 3,459,001,000 |  | 3,392,984,000
Commercial Real Estate [Member] | Construction [Member] |  |  |
Schedule of Non-Covered Loans Receivable [Line Items] |  |  |
Loans receivable, excluding covered loans, gross | 192,988,000 |  | 278,047,000
Commercial Real Estate [Member] | Land CRE [Member] |  |  |
Schedule of Non-Covered Loans Receivable [Line Items] |  |  |
Loans receivable, excluding covered loans, gross | 179,152,000 |  | 235,707,000
Commercial and Industrial [Member] |  |  |
Schedule of Non-Covered Loans Receivable [Line Items] |  |  |
Loans receivable, excluding covered loans, gross | 3,012,152,000 |  | 1,983,355,000
Commercial and Industrial [Member] | Commercial Business [Member] |  |  |
Schedule of Non-Covered Loans Receivable [Line Items] |  |  |
Loans receivable, excluding covered loans, gross | 2,542,313,000 |  | 1,674,698,000
Commercial and Industrial [Member] | Trade Finance [Member] |  |  |
Schedule of Non-Covered Loans Receivable [Line Items] |  |  |
Loans receivable, excluding covered loans, gross | 469,839,000 |  | 308,657,000
Consumer [Member] |  |  |
Schedule of Non-Covered Loans Receivable [Line Items] |  |  |
Loans receivable, excluding covered loans, gross | 503,575,000 |  | 733,526,000
Consumer [Member] | Student Loans [Member] |  |  |
Schedule of Non-Covered Loans Receivable [Line Items] |  |  |
Loans receivable, excluding covered loans, gross | 260,283,000 |  | 490,314,000
Consumer [Member] | Other Consumer [Member] |  |  |
Schedule of Non-Covered Loans Receivable [Line Items] |  |  |
Loans receivable, excluding covered loans, gross | $ 243,292,000 |  | $ 243,212,000

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- Definition The allowance for noncovered loan losses represents the reserve to cover probable credit losses related to specifically identified loans, as well as probable credit losses inherent in the remainder of the loan portfolio as of the balance sheet date. + Details
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- Definition The maximum number of units in residential property that secures both fixed and adjustable rate first mortgage loans. + Details
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- Definition The ratio of residential mortgage loans that offer the borrower variable payment option features to total residential mortgage loans as of the balance sheet date. + Details
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- Definition Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 140 -Paragraph 15 -Subparagraph a -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 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6965416&loc=d3e5086-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6467456&loc=d3e113888-111728 + Details
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- Definition The aggregate carrying amount of loans receivable that will be sold to other entities. Includes mortgage and all other loans (collectively, loans) not classified as held for investment. Such loans are stated at the lower of cost or market, or elected fair value. Mortgage loans exclude mortgage-backed securities which are considered a debt security (other loan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(a)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 01-6 -Paragraph 13 -Subparagraph d -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 65 -Paragraph 4, 5, 6, 7, 9, 12, 28, 29 -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 310 -SubTopic 10 -Section 35 -Paragraph 49 -URI http://asc.fasb.org/extlink&oid=6949992&loc=d3e3084-111518 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 9 -Section 03 -Paragraph 7 -Subparagraph a Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section 30 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6490209&loc=d3e48214-111002 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Chapter V -Section 563c.102 -Subsection I -Paragraph 8 -Subparagraph h -LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy. Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 65 -Paragraph 4 -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 9: 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 The cash inflow resulting from the sale of loans classified as held-for-sale, including proceeds from loans sold through mortgage securitization. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3461-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3337-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 102 -Paragraph 9 -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 Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 3, 15, 16, 17, 22, 23, 147, 148, 149 -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 FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 230 -Section 55 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6587932&loc=d3e60097-112785 + Details
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