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NON-COVERED LOANS AND ALLOWANCE FOR LOAN LOSSES (Details 3) (USD $) | 3 Months Ended |  |  |  | 0 Months Ended |  |  |  |
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Mar. 31, 2014 | Mar. 31, 2013 | Dec. 31, 2013 | Mar. 31, 2014 MetroCorp | Jan. 17, 2014 MetroCorp | Jan. 17, 2014 MetroCorp Loans accounted for under ASC 310-30 | Jan. 17, 2014 MetroCorp Loans accounted for under ASC 310-30 | Mar. 31, 2014 Residential | Dec. 31, 2013 Residential | Mar. 31, 2014 Commercial Real Estate ("CRE") | Dec. 31, 2013 Commercial Real Estate ("CRE")
Credit Risk and Concentrations |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of non-covered commercial real estate loans and non-covered residential loans secured by real properties located in California | 81.00% |  |  |  |  |  |  |  |  |  |  |  |
Loans receivable, excluding covered loans, gross | $ 17,308,411,000 | [1] |  | $ 15,678,317,000 | [1] |  |  |  |  | $ 4,349,486,000 | $ 4,185,309,000 | $ 5,519,920,000 | $ 4,585,077,000
Purchased Loans |  |  |  |  |  |  |  |  |  |  |  |  |
Loans purchased during the period | 61,700,000 |  |  |  |  |  |  |  |  |  |  |  |
Carrying amount of loans purchased during the period | 60,500,000 |  |  |  |  |  |  |  |  |  |  |  |
Acquired Loans |  |  |  |  |  |  |  |  |  |  |  |  |
Loans acquired during the period |  |  |  |  |  | 1,190,000,000 | 1,190,000,000 |  |  |  |  |  |
Acquired loans accounted (as a percent) |  |  |  |  |  |  |  | 94.00% | 6.00% |  |  |  |
Loans Held for Sale |  |  |  |  |  |  |  |  |  |  |  |  |
Total loans held for sale | 577,353,000 |  |  | 204,970,000 |  |  |  |  |  |  |  |  |
Proceeds from the sales of Loans held for sale, including loans reclassified to loans held for sale | 135,800,000 |  | 6,300,000 |  |  |  |  |  |  |  |  |  |
Net gain from sale of loans held for sale during the period | 3,500,000 |  | 1,000 |  |  |  |  |  |  |  |  |  |
Loans receivable reclassified to loans held for sale | $ 433,841,000 |  | $ 21,855,000 |  |  |  |  |  |  |  |  |  |
[1] | Loans net of ASC 310-30 discount

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- Definition Represents the amount of loans receivable acquired at the acquisition date. + References No definition available. + Details
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- Definition The carrying amount of loans purchased during the reporting period. + References No definition available. + Details
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- Definition Represents the contractually required payments receivable at acquisition of acquired loans not accounted for as debt securities with evidence of deterioration of credit quality, expressed as a percentage. + References No definition available. + Details
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- Definition Loans purchased during the reporting period. + References No definition available. + Details
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- Definition The percentage of non-covered commercial real estate loans and non-covered residential loans secured by real properties located in California. + References No definition available. + Details
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- Definition Reflects the gross carrying amount of all categories of non-covered loans held in portfolio. + References No definition available. + Details
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- Definition The gains (losses) included in earnings that represent the difference between the sale price and the carrying value of loans and leases that were sold during the reporting period. This element refers to the gain (loss) and not to the cash proceeds of the sales. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 2: 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=31042434&loc=d3e3602-108585 + Details
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- Definition Amount of loans held for sale, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities. + References Reference 1: 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=28367877&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph a -Article 9 Reference 3: 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 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=25442802&loc=d3e3084-111518 Reference 5: 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 + 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=31042434&loc=d3e3461-108585 Reference 2: 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 Reference 3: 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=31042434&loc=d3e3337-108585 + Details
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