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COVERED ASSETS AND FDIC INDEMNIFICATION ASSET (Details 5) (USD $) |  |  |  |  | 3 Months Ended | 9 Months Ended |  |  |  | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended |  | 0 Months Ended
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Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 Covered loans accounted for under ASC 310-10 | Dec. 31, 2013 Covered loans accounted for under ASC 310-10 | Sep. 30, 2014 Covered loans | Sep. 30, 2013 Covered loans | Sep. 30, 2014 Covered loans | Sep. 30, 2013 Covered loans | Dec. 31, 2013 Covered loans | Sep. 30, 2014 Covered loans PCI Covered Loans | Dec. 31, 2013 Covered loans PCI Covered Loans | Sep. 30, 2014 Covered loans Covered OREO Properties item | Dec. 31, 2013 Covered loans Covered OREO Properties | Dec. 31, 2013 Covered loans Covered OREO Properties Geographic Concentration California | Sep. 30, 2014 Covered loans Covered OREO Properties Geographic Concentration Washington | Sep. 30, 2014 Covered loans Covered OREO Properties Geographic Concentration Wyoming | Sep. 30, 2014 Covered loans Covered OREO Properties Geographic Concentration Georgia | Dec. 31, 2013 Covered loans Covered OREO Properties Geographic Concentration Massachusetts | Sep. 30, 2014 Covered loans United Commercial Bank (UCB) item | Dec. 31, 2013 Covered loans United Commercial Bank (UCB) | Nov. 06, 2009 Covered loans United Commercial Bank (UCB) Covered loans acquired from specific acquiree Geographic Concentration California | Nov. 06, 2009 Covered loans United Commercial Bank (UCB) Covered loans acquired from specific acquiree Geographic Concentration New York | Nov. 06, 2009 Covered loans United Commercial Bank (UCB) Covered loans acquired from specific acquiree Geographic Concentration Hong Kong
Credit Risk and Concentrations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of the entity's total covered loans acquired from a specific counterparty |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 93.00% | 93.00% |  |  |
Percent of total |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 31.00% | 47.00% | 15.00% | 13.00% | 31.00% |  |  | 64.00% | 11.00% | 10.00%
Number of general geographic regions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 |  |  |  |
Covered Nonperforming Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Covered nonaccrual loans |  |  | $ 9,200,000 | $ 17,700,000 | $ 79,980,000 | [1],[2],[3] |  | $ 79,980,000 | [1],[2],[3] |  | $ 126,895,000 | [1],[2],[3] | $ 70,800,000 | $ 109,200,000 |  |  |  |  |  |  |  |  |  |  |  |
Other real estate owned covered, net | 7,433,000 | 21,373,000 |  |  | 7,433,000 |  |  | 7,433,000 |  |  | 21,373,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total covered nonperforming assets |  |  |  |  | 87,413,000 |  |  | 87,413,000 |  |  | 148,268,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of any reimbursable expense recorded as interest income under ASC 310-30 |  |  |  |  | 80.00% |  |  | 80.00% |  |  | 80.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Covered loans past due 90 days or more but not on nonaccrual |  |  |  |  | 0 |  |  | 0 |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Covered OREO balances |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,400,000 | 21,400,000 |  |  |  |  |  |  |  |  |  |
Number of covered OREO properties added during the period |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15 |  |  |  |  |  |  |  |  |  |  |
Aggregate carrying value of covered OREO properties added during the period |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 25,000,000 |  |  |  |  |  |  |  |  |  |  |
Net valuation adjustments included in aggregate carrying value on covered OREO properties |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,100,000 | 2,400,000 |  |  |  |  |  |  |  |  |  |
Number of covered OREO properties sold during the period |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 21 |  |  |  |  |  |  |  |  |  |  |
Total proceeds value of covered OREO properties sold during the period |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 42,900,000 |  |  |  |  |  |  |  |  |  |  |
Total net gains (losses) on covered OREO properties sold during the period |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,000,000 |  |  |  |  |  |  |  |  |  |  |
Covered TDR activity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  |  | 60,024,000 |  | 120,248,000 | 116,007,000 |  | 157,736,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additions |  |  |  |  | 477,000 |  | 3,453,000 | 1,264,000 |  | 29,246,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Transfers to covered OREO |  |  |  |  | 0 |  |  | (1,230,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Charge-offs |  |  |  |  |  |  |  | (1,323,000) |  | (7,466,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Paydowns/ Reductions |  |  |  |  | (13,960,000) |  | (4,839,000) | (68,177,000) |  | (60,654,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at end of period |  |  |  |  | 46,541,000 |  | 118,862,000 | 46,541,000 |  | 118,862,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Changes in the accretable yield for the covered loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  |  | 387,127,000 |  | 458,717,000 | 461,545,000 |  | 556,986,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accretion |  |  |  |  | (51,296,000) |  | (100,596,000) | (176,600,000) |  | (267,035,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Changes in expected cash flows |  |  |  |  | 10,563,000 |  | 122,140,000 | 61,449,000 |  | 190,310,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at end of period |  |  |  |  | 346,394,000 |  | 480,261,000 | 346,394,000 |  | 480,261,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Covered assets - other disclosures |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount reclassified from nonaccretable yield to accretable yield due to changes in loss rate assumptions |  |  |  |  | 11,600,000 |  | 113,900,000 | 50,200,000 |  | 153,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of loans removed from the covered loans accounted for under ASC 310-30, excluding scheduled principal payments |  |  |  |  |  |  |  | 524,500,000 |  | 560,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan discount related to payoffs and removals of loans |  |  |  |  |  |  |  | $ 73,900,000 |  | $ 130,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
[1] | Net of discount.
[2] | Includes $9.2 million and $17.7 million of covered advances as of September 30, 2014 and December 31, 2013, respectively; and $70.8 million and $109.2 million of PCI loans as of September 30, 2014 and December 31, 2013, respectively.
[3] | Covered nonaccrual loans include loans that meet the criteria for nonaccrual but have a yield accreted through interest income under ASC 310-30. All losses on covered loans are 80% reimbursed by the FDIC.

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- Definition Represents the change in the estimate of cash flows expected to be collected. This relates to a loan accounted for as an available-for-sale debt security, with evidence of deterioration of credit quality since origination that was 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 No definition available. + Details
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- Definition Represents the amount of paydowns or reductions related to financing receivables that have been modified by troubled debt restructurings, during the period. + References No definition available. + Details
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