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COVERED ASSETS AND FDIC INDEMNIFICATION ASSET (Details 5) (USD $) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 | Jun. 30, 2012 | Dec. 31, 2012
Covered Nonperforming Assets |  |  |  |  |  |  |  |
Covered nonaccrual loans | $ 178,431,000 | [1],[2],[3] |  | $ 178,431,000 | [1],[2],[3] |  | $ 204,310,000 | [1],[2],[3]
Total nonperforming loans | 178,431,000 |  |  | 178,431,000 |  |  | 204,310,000 |
Other real estate owned covered, net | 29,836,000 |  |  | 29,836,000 |  |  | 26,808,000 |
Total covered nonperforming assets | 208,267,000 |  |  | 208,267,000 |  |  | 231,118,000 |
Changes in the accretable yield for the covered loans |  |  |  |  |  |  |  |
Balance at beginning of period | 503,476,000 |  | 696,666,000 | 556,986,000 |  | 785,165,000 |  |
Accretion | (84,811,000) |  | (105,416,000) | (166,438,000) |  | (184,822,000) |  |
Changes in expected cash flows | 40,052,000 |  | 29,218,000 | 68,169,000 |  | 20,125,000 |  |
Balance at end of period | 458,717,000 |  | 620,468,000 | 458,717,000 |  | 620,468,000 |  |
Covered assets - other disclosures |  |  |  |  |  |  |  |
Amount of loans removed from the covered loans accounted under ASC 310-30, excluding scheduled principal payments |  |  |  | 392,700,000 |  | 459,000,000 |  |
Loan discount related to payoffs and removals of loans |  |  |  | 74,300,000 |  | 42,400,000 |  |
Covered loans accounted for under ASC 310-10 |  |  |  |  |  |  |  |
Covered Nonperforming Assets |  |  |  |  |  |  |  |
Covered nonaccrual loans | 31,100,000 |  |  | 31,100,000 |  |  | 29,600,000 |
Covered OREO Properties |  |  |  |  |  |  |  |
Covered Nonperforming Assets |  |  |  |  |  |  |  |
Number of covered OREO properties added during the period |  |  |  | 15 |  |  |  |
Aggregate carrying value of covered OREO properties | 29,800,000 |  |  | 29,800,000 |  |  | 26,800,000 |
Aggregate carrying value of covered OREO properties added during the period |  |  |  | 20,200,000 |  |  |  |
Net adjustments included in aggregate carrying value on covered OREO properties |  |  |  | 750,000 |  |  |  |
Number of covered OREO properties sold during the period |  |  |  | 31 |  |  |  |
Total proceeds value of covered OREO properties sold during the period |  |  |  | 19,200,000 |  |  |  |
Combined net gains (losses) on covered OREO properties sold during the period |  |  |  | $ 2,800,000 |  |  |  |
Covered OREO Properties | Geographic Concentration | California |  |  |  |  |  |  |  |
Credit Risk and Concentrations |  |  |  |  |  |  |  |
Percent of total |  |  |  | 54.00% |  |  |  |
Covered OREO Properties | Geographic Concentration | Washington |  |  |  |  |  |  |  |
Credit Risk and Concentrations |  |  |  |  |  |  |  |
Percent of total |  |  |  | 15.00% |  |  |  |
United Commercial Bank (UCB) |  |  |  |  |  |  |  |
Credit Risk and Concentrations |  |  |  |  |  |  |  |
Percent of total |  |  |  | 94.00% |  |  |  |
Number of general geographic regions |  |  |  | 3 |  |  |  |
United Commercial Bank (UCB) | Geographic Concentration | California |  |  |  |  |  |  |  |
Credit Risk and Concentrations |  |  |  |  |  |  |  |
Percent of total |  |  |  | 64.00% |  |  |  |
United Commercial Bank (UCB) | Geographic Concentration | New York |  |  |  |  |  |  |  |
Credit Risk and Concentrations |  |  |  |  |  |  |  |
Percent of total |  |  |  | 11.00% |  |  |  |
United Commercial Bank (UCB) | Geographic Concentration | Hong Kong |  |  |  |  |  |  |  |
Credit Risk and Concentrations |  |  |  |  |  |  |  |
Percent of total |  |  |  | 10.00% |  |  |  |
[1] | Includes $31.1 million and $29.6 million of loans at June 30, 2013 and December 31, 2012, respectively, accounted for under ASC 310-10, of which some loans have additional partial balances accounted for under ASC 310-30.
[2] | Covered nonaccrual loans include loans that meet the criteria for nonaccrual but have a yield accreted through interest income under ASC 310-30 and all losses on covered loans are 80% reimbursed by the FDIC.
[3] | Represents principal balance net of discount.

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- Definition The aggregate excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan. This relates to loans not accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 15 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7514592&loc=d3e13503-111538 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 03-3 -Paragraph 16 -Subparagraph a(2) -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. + Details
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