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LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES (Details 3) - Loans Receivable - USD ($) $ in Thousands | Mar. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | $ 23,767,903 | $ 23,659,761
CRE |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 8,451,478 | 8,110,749
CRE | Income producing |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 7,816,442 | 7,478,474
CRE | Construction |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 467,103 | 438,671
CRE | Land |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 167,933 | 193,604
C&I |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 8,818,243 | 9,003,007
C&I | Commercial business |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 8,053,535 | 8,213,897
C&I | Trade finance |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 764,708 | 789,110
Residential |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 4,451,398 | 4,589,914
Residential | Single-family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 3,103,391 | 3,066,919
Residential | Multifamily |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 1,348,007 | 1,522,995
Consumer |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 2,046,784 | 1,956,091
Non-PCI loans |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 22,901,062 | 22,689,007
Non-PCI loans | Pass/Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 22,077,967 | 21,910,821
Non-PCI loans | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 262,345 | 287,530
Non-PCI loans | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 536,943 | 466,129
Non-PCI loans | Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 23,807 | 24,527
Non-PCI loans | CRE |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 7,948,825 | 7,561,384
Non-PCI loans | CRE | Income producing |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 7,317,991 | 6,937,199
Non-PCI loans | CRE | Income producing | Pass/Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 7,061,501 | 6,672,951
Non-PCI loans | CRE | Income producing | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 39,236 | 59,309
Non-PCI loans | CRE | Income producing | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 217,254 | 204,939
Non-PCI loans | CRE | Income producing | Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 0 | 0
Non-PCI loans | CRE | Construction |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 465,763 | 436,776
Non-PCI loans | CRE | Construction | Pass/Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 462,989 | 435,112
Non-PCI loans | CRE | Construction | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 2,339 | 1,194
Non-PCI loans | CRE | Construction | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 435 | 470
Non-PCI loans | CRE | Construction | Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 0 | 0
Non-PCI loans | CRE | Land |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 165,071 | 187,409
Non-PCI loans | CRE | Land | Pass/Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 150,149 | 172,189
Non-PCI loans | CRE | Land | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 0 | 0
Non-PCI loans | CRE | Land | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 14,922 | 15,220
Non-PCI loans | CRE | Land | Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 0 | 0
Non-PCI loans | C&I |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 8,764,775 | 8,943,791
Non-PCI loans | C&I | Commercial business |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 8,001,280 | 8,155,991
Non-PCI loans | C&I | Commercial business | Pass/Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 7,579,392 | 7,794,735
Non-PCI loans | C&I | Commercial business | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 198,560 | 201,280
Non-PCI loans | C&I | Commercial business | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 199,521 | 135,449
Non-PCI loans | C&I | Commercial business | Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 23,807 | 24,527
Non-PCI loans | C&I | Trade finance |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 763,495 | 787,800
Non-PCI loans | C&I | Trade finance | Pass/Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 730,867 | 750,144
Non-PCI loans | C&I | Trade finance | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 9,907 | 13,812
Non-PCI loans | C&I | Trade finance | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 22,721 | 23,844
Non-PCI loans | C&I | Trade finance | Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 0 | 0
Non-PCI loans | Residential |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 4,163,941 | 4,252,004
Non-PCI loans | Residential | Single-family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 2,927,219 | 2,877,286
Non-PCI loans | Residential | Single-family | Pass/Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 2,891,346 | 2,841,722
Non-PCI loans | Residential | Single-family | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 7,728 | 8,134
Non-PCI loans | Residential | Single-family | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 28,145 | 27,430
Non-PCI loans | Residential | Single-family | Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 0 | 0
Non-PCI loans | Residential | Multifamily |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 1,236,722 | 1,374,718
Non-PCI loans | Residential | Multifamily | Pass/Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 1,185,914 | 1,317,550
Non-PCI loans | Residential | Multifamily | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 1,925 | 2,918
Non-PCI loans | Residential | Multifamily | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 48,883 | 54,250
Non-PCI loans | Residential | Multifamily | Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 0 | 0
Non-PCI loans | Consumer |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 2,023,521 | 1,931,828
Non-PCI loans | Consumer | Pass/Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 2,015,809 | 1,926,418
Non-PCI loans | Consumer | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 2,650 | 883
Non-PCI loans | Consumer | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 5,062 | 4,527
Non-PCI loans | Consumer | Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 0 | 0
PCI Loans |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 866,841 | 970,754
PCI Loans | Pass/Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 742,677 | 835,890
PCI Loans | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 15,663 | 7,551
PCI Loans | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 108,501 | 127,313
PCI Loans | Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 0 | 0
PCI Loans | CRE |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 502,653 | 549,365
PCI Loans | CRE | Income producing |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 498,451 | 541,275
PCI Loans | CRE | Income producing | Pass/Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 402,651 | 440,100
PCI Loans | CRE | Income producing | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 13,013 | 4,987
PCI Loans | CRE | Income producing | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 82,787 | 96,188
PCI Loans | CRE | Income producing | Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 0 | 0
PCI Loans | CRE | Construction |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 1,340 | 1,895
PCI Loans | CRE | Construction | Pass/Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 0 | 0
PCI Loans | CRE | Construction | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 0 | 0
PCI Loans | CRE | Construction | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 1,340 | 1,895
PCI Loans | CRE | Construction | Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 0 | 0
PCI Loans | CRE | Land |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 2,862 | 6,195
PCI Loans | CRE | Land | Pass/Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 2,272 | 4,285
PCI Loans | CRE | Land | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 0 | 0
PCI Loans | CRE | Land | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 590 | 1,910
PCI Loans | CRE | Land | Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 0 | 0
PCI Loans | C&I |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 53,468 | 59,216
PCI Loans | C&I | Commercial business |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 52,255 | 57,906
PCI Loans | C&I | Commercial business | Pass/Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 46,426 | 52,212
PCI Loans | C&I | Commercial business | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 1,185 | 819
PCI Loans | C&I | Commercial business | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 4,644 | 4,875
PCI Loans | C&I | Commercial business | Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 0 | 0
PCI Loans | C&I | Trade finance |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 1,213 | 1,310
PCI Loans | C&I | Trade finance | Pass/Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 1,213 | 1,310
PCI Loans | C&I | Trade finance | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 0 | 0
PCI Loans | C&I | Trade finance | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 0 | 0
PCI Loans | C&I | Trade finance | Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 0 | 0
PCI Loans | Residential |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 287,457 | 337,910
PCI Loans | Residential | Single-family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 176,172 | 189,633
PCI Loans | Residential | Single-family | Pass/Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 170,788 | 184,092
PCI Loans | Residential | Single-family | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 1,013 | 1,293
PCI Loans | Residential | Single-family | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 4,371 | 4,248
PCI Loans | Residential | Single-family | Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 0 | 0
PCI Loans | Residential | Multifamily |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 111,285 | 148,277
PCI Loans | Residential | Multifamily | Pass/Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 97,447 | 130,770
PCI Loans | Residential | Multifamily | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 0 | 0
PCI Loans | Residential | Multifamily | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 13,838 | 17,507
PCI Loans | Residential | Multifamily | Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 0 | 0
PCI Loans | Consumer |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 23,263 | 24,263
PCI Loans | Consumer | Pass/Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 21,880 | 23,121
PCI Loans | Consumer | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 452 | 452
PCI Loans | Consumer | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | 931 | 690
PCI Loans | Consumer | Doubtful |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total loans | $ 0 | $ 0

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