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NON-COVERED LOANS AND ALLOWANCE FOR LOAN LOSSES (Nonaccrual loans) (Details) (USD $) In Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2011 | Sep. 30, 2010 | Sep. 30, 2011 | Sep. 30, 2010 | Dec. 31, 2010
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Accruing loans 30 - 59 days past due | $ 43,768 |  | $ 43,768 |  | $ 55,821
Accruing loans 60 - 89 days past due | 4,573 |  | 4,573 |  | 19,891
Total accruing past due loans | 48,341 |  | 48,341 |  | 75,712
Nonaccrual loans less than 90 days past due | 29,918 |  | 29,918 |  | 76,897
Nonaccrual loans 90 or more days past due | 117,791 |  | 117,791 |  | 96,032
Total nonaccrual past due loans | 147,709 |  | 147,709 |  | 172,929
Current loans | 9,863,120 |  | 9,863,120 |  | 8,688,802
Total recorded investment in non-covered loans and loans held for sale, gross | 10,059,170 |  | 10,059,170 |  | 8,937,443
Unearned fees, premiums and discounts, net | (16,746) |  | (16,746) |  | (56,781)
Total recorded investment in non-covered loans and loans held for sale, total | 10,042,424 |  | 10,042,424 |  | 8,880,662
Number of days past generally required before loan is placed on nonaccrual status (in days) |  |  | 90 |  |
Interest income forgone on nonaccrual loans [Abstract] |  |  |  |  |
Interest income that would have been recognized had nonaccrual loans performed in accordance with their original terms | 2,360 | 3,957 | 7,923 | 11,479 |
Less: Interest income recognized on nonaccrual loans on a cash basis | (756) | (3,235) | (2,267) | (5,437) |
Interest income foregone on nonaccrual loans | 1,604 | 722 | 5,656 | 6,042 |
Residential [Member] | Single-family [Member] |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Accruing loans 30 - 59 days past due | 6,196 |  | 6,196 |  | 5,449
Accruing loans 60 - 89 days past due | 1,201 |  | 1,201 |  | 5,432
Total accruing past due loans | 7,397 |  | 7,397 |  | 10,881
Nonaccrual loans less than 90 days past due | 99 |  | 99 |  | 355
Nonaccrual loans 90 or more days past due | 5,687 |  | 5,687 |  | 7,058
Total nonaccrual past due loans | 5,786 |  | 5,786 |  | 7,413
Current loans | 1,504,771 |  | 1,504,771 |  | 1,100,730
Total recorded investment in non-covered loans and loans held for sale, gross | 1,517,954 |  | 1,517,954 |  | 1,119,024
Residential [Member] | Multifamily [Member] |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Accruing loans 30 - 59 days past due | 10,797 |  | 10,797 |  | 18,894
Accruing loans 60 - 89 days past due | 1,048 |  | 1,048 |  | 4,368
Total accruing past due loans | 11,845 |  | 11,845 |  | 23,262
Nonaccrual loans less than 90 days past due | 5,468 |  | 5,468 |  | 7,694
Nonaccrual loans 90 or more days past due | 12,906 |  | 12,906 |  | 9,687
Total nonaccrual past due loans | 18,374 |  | 18,374 |  | 17,381
Current loans | 912,209 |  | 912,209 |  | 934,102
Total recorded investment in non-covered loans and loans held for sale, gross | 942,428 |  | 942,428 |  | 974,745
Commercial Real Estate [Member] | Income Producing [Member] |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Accruing loans 30 - 59 days past due | 23,833 |  | 23,833 |  | 27,002
Accruing loans 60 - 89 days past due | 0 |  | 0 |  | 6,034
Total accruing past due loans | 23,833 |  | 23,833 |  | 33,036
Nonaccrual loans less than 90 days past due | 17,544 |  | 17,544 |  | 7,962
Nonaccrual loans 90 or more days past due | 27,707 |  | 27,707 |  | 38,454
Total nonaccrual past due loans | 45,251 |  | 45,251 |  | 46,416
Current loans | 3,389,917 |  | 3,389,917 |  | 3,313,532
Total recorded investment in non-covered loans and loans held for sale, gross | 3,459,001 |  | 3,459,001 |  | 3,392,984
Commercial Real Estate [Member] | Construction [Member] |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Accruing loans 30 - 59 days past due | 472 |  | 472 |  | 0
Accruing loans 60 - 89 days past due | 0 |  | 0 |  | 1,486
Total accruing past due loans | 472 |  | 472 |  | 1,486
Nonaccrual loans less than 90 days past due | 1,665 |  | 1,665 |  | 25,688
Nonaccrual loans 90 or more days past due | 26,648 |  | 26,648 |  | 9,778
Total nonaccrual past due loans | 28,313 |  | 28,313 |  | 35,466
Current loans | 164,203 |  | 164,203 |  | 241,095
Total recorded investment in non-covered loans and loans held for sale, gross | 192,988 |  | 192,988 |  | 278,047
Commercial Real Estate [Member] | Land CRE [Member] |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Accruing loans 30 - 59 days past due | 0 |  | 0 |  | 479
Accruing loans 60 - 89 days past due | 2,197 |  | 2,197 |  | 0
Total accruing past due loans | 2,197 |  | 2,197 |  | 479
Nonaccrual loans less than 90 days past due | 1,867 |  | 1,867 |  | 20,761
Nonaccrual loans 90 or more days past due | 10,113 |  | 10,113 |  | 8,138
Total nonaccrual past due loans | 11,980 |  | 11,980 |  | 28,899
Current loans | 164,975 |  | 164,975 |  | 206,329
Total recorded investment in non-covered loans and loans held for sale, gross | 179,152 |  | 179,152 |  | 235,707
Commercial and Industrial [Member] | Commercial Business [Member] |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Accruing loans 30 - 59 days past due | 2,211 |  | 2,211 |  | 3,216
Accruing loans 60 - 89 days past due | 0 |  | 0 |  | 1,086
Total accruing past due loans | 2,211 |  | 2,211 |  | 4,302
Nonaccrual loans less than 90 days past due | 3,275 |  | 3,275 |  | 14,437
Nonaccrual loans 90 or more days past due | 10,827 |  | 10,827 |  | 8,235
Total nonaccrual past due loans | 14,102 |  | 14,102 |  | 22,672
Current loans | 2,526,000 |  | 2,526,000 |  | 1,647,724
Total recorded investment in non-covered loans and loans held for sale, gross | 2,542,313 |  | 2,542,313 |  | 1,674,698
Commercial and Industrial [Member] | Trade Finance [Member] |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Accruing loans 30 - 59 days past due | 0 |  | 0 |  | 0
Accruing loans 60 - 89 days past due | 0 |  | 0 |  | 0
Total accruing past due loans | 0 |  | 0 |  | 0
Nonaccrual loans less than 90 days past due | 0 |  | 0 |  | 0
Nonaccrual loans 90 or more days past due | 294 |  | 294 |  | 0
Total nonaccrual past due loans | 294 |  | 294 |  | 0
Current loans | 469,545 |  | 469,545 |  | 308,657
Total recorded investment in non-covered loans and loans held for sale, gross | 469,839 |  | 469,839 |  | 308,657
Consumer [Member] | Student Loans [Member] |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Accruing loans 30 - 59 days past due |  |  |  |  | 0
Accruing loans 60 - 89 days past due | 0 |  | 0 |  | 0
Total accruing past due loans | 0 |  | 0 |  | 0
Nonaccrual loans less than 90 days past due | 0 |  | 0 |  | 0
Nonaccrual loans 90 or more days past due | 0 |  | 0 |  | 0
Total nonaccrual past due loans | 0 |  | 0 |  | 0
Current loans | 260,283 |  | 260,283 |  | 490,314
Total recorded investment in non-covered loans and loans held for sale, gross | 260,283 |  | 260,283 |  | 490,314
Consumer [Member] | Other Consumer [Member] |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Accruing loans 30 - 59 days past due | 259 |  | 259 |  | 781
Accruing loans 60 - 89 days past due | 127 |  | 127 |  | 1,485
Total accruing past due loans | 386 |  | 386 |  | 2,266
Nonaccrual loans less than 90 days past due | 0 |  | 0 |  | 0
Nonaccrual loans 90 or more days past due | 2,935 |  | 2,935 |  | 620
Total nonaccrual past due loans | 2,935 |  | 2,935 |  | 620
Current loans | 239,971 |  | 239,971 |  | 240,326
Total recorded investment in non-covered loans and loans held for sale, gross | 243,292 |  | 243,292 |  | 243,212
Consumer [Member] | Loans Held for Sale [Member] |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Accruing loans 30 - 59 days past due | 0 |  | 0 |  | 0
Accruing loans 60 - 89 days past due | 0 |  | 0 |  | 0
Total accruing past due loans | 0 |  | 0 |  | 0
Nonaccrual loans less than 90 days past due | 0 |  | 0 |  | 0
Nonaccrual loans 90 or more days past due | 20,674 |  | 20,674 |  | 14,062
Total nonaccrual past due loans | 20,674 |  | 20,674 |  | 14,062
Current loans | 231,246 |  | 231,246 |  | 205,993
Total recorded investment in non-covered loans and loans held for sale, gross | $ 251,920 |  | $ 251,920 |  | $ 220,055

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