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NON COVERED LOANS AND ALLOWANCE FOR LOAN LOSSES, Covered Loans (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2011 | Jun. 30, 2010 | Jun. 30, 2011 | Jun. 30, 2010 | Dec. 31, 2010
Covered Loans [Abstract] |  |  |  |  |  |  |  |
Percentage of total general reserve for allowance for loan losses allocated to covered loans (in hundredths) | 3.10% |  |  | 3.10% |  |  | 1.80% |
Beginning balance | $ 226,161 |  |  | $ 234,633 |  | $ 238,833 | $ 238,833 |
Provision for loan losses | 26,500 |  | 55,256 | 53,006 |  | 131,677 | 200,159 |
Allowance for unfunded loan commitments and letters of credit | (487) |  |  | (1,245) |  |  | (1,833) |
Charge-offs | (35,595) |  |  | (73,130) |  |  | (225,203) |
Recoveries | 3,977 |  |  | 7,292 |  |  | 22,677 |
Net charge-offs | (31,618) |  |  | (65,838) |  | 119,100 | (202,526) |
Ending balance | 220,556 |  |  | 220,556 |  |  | 234,633 |
Ending balance allocated to: |  |  |  |  |  |  |  |
Loans individually evaluated for impairment | 3,746 |  |  | 3,746 |  |  | 10,024 |
Loans collectively evaluated for impairment | 216,810 |  |  | 216,810 |  |  | 224,609 |
Loans acquired with deteriorated credit quality | 0 |  |  | 0 |  |  | 0 |
Ending balance | 220,556 |  |  | 220,556 |  |  | 234,633 |
Recorded investment in total loans receivable related to each balance in the allowance for loan losses [Abstract] |  |  |  |  |  |  |  |
Loans individually evaluated for impairment | 135,475 |  |  | 135,475 |  |  | 158,867 |
Loans collectively evaluated for impairment | 9,811,257 |  |  | 9,811,257 |  |  | 9,120,246 |
Loans acquired with deteriorated credit quality | 4,702,152 | [1] |  | 4,702,152 | [1] |  | 5,394,048 | [1]
Ending balance | 14,648,884 |  |  | 14,648,884 |  |  | 14,673,161 |
Residential [Member] |  |  |  |  |  |  |  |
Covered Loans [Abstract] |  |  |  |  |  |  |  |
Beginning balance | 47,309 |  |  | 49,491 |  | 38,025 | 38,025 |
Provision for loan losses | (478) |  |  | 446 |  |  | 59,525 |
Allowance for unfunded loan commitments and letters of credit | 0 |  |  | 0 |  |  | 0 |
Charge-offs | (2,216) |  |  | (5,553) |  |  | (49,685) |
Recoveries | 15 |  |  | 246 |  |  | 1,626 |
Net charge-offs | (2,201) |  |  | (5,307) |  |  | (48,059) |
Ending balance | 44,630 |  |  | 44,630 |  |  | 49,491 |
Ending balance allocated to: |  |  |  |  |  |  |  |
Loans individually evaluated for impairment | 91 |  |  | 91 |  |  | 309 |
Loans collectively evaluated for impairment | 44,539 |  |  | 44,539 |  |  | 49,182 |
Loans acquired with deteriorated credit quality | 0 |  |  | 0 |  |  | 0 |
Ending balance | 44,630 |  |  | 44,630 |  |  | 49,491 |
Residential [Member] |  |  |  |  |  |  |  |
Recorded investment in total loans receivable related to each balance in the allowance for loan losses [Abstract] |  |  |  |  |  |  |  |
Loans individually evaluated for impairment | 23,421 |  |  | 23,421 |  |  | 24,795 |
Loans collectively evaluated for impairment | 2,213,795 |  |  | 2,213,795 |  |  | 2,068,974 |
Loans acquired with deteriorated credit quality | 1,473,275 | [1] |  | 1,473,275 | [1] |  | 1,614,732 | [1]
Ending balance | 3,710,491 |  |  | 3,710,491 |  |  | 3,708,501 |
Commercial Real Estate [Member] |  |  |  |  |  |  |  |
Covered Loans [Abstract] |  |  |  |  |  |  |  |
Beginning balance | 96,221 |  |  | 117,752 |  | 147,591 | 147,591 |
Provision for loan losses | 9,772 |  |  | 9,668 |  |  | 97,548 |
Allowance for unfunded loan commitments and letters of credit | 0 |  |  | 0 |  |  | 0 |
Charge-offs | (21,985) |  |  | (44,385) |  |  | (137,460) |
Recoveries | 1,678 |  |  | 2,651 |  |  | 10,073 |
Net charge-offs | (20,307) |  |  | (41,734) |  |  | (127,387) |
Ending balance | 85,686 |  |  | 85,686 |  |  | 117,752 |
Ending balance allocated to: |  |  |  |  |  |  |  |
Loans individually evaluated for impairment | 2,081 |  |  | 2,081 |  |  | 7,247 |
Loans collectively evaluated for impairment | 83,605 |  |  | 83,605 |  |  | 110,505 |
Loans acquired with deteriorated credit quality | 0 |  |  | 0 |  |  | 0 |
Ending balance | 85,686 |  |  | 85,686 |  |  | 117,752 |
Commercial Real Estate [Member] |  |  |  |  |  |  |  |
Recorded investment in total loans receivable related to each balance in the allowance for loan losses [Abstract] |  |  |  |  |  |  |  |
Loans individually evaluated for impairment | 86,808 |  |  | 86,808 |  |  | 110,781 |
Loans collectively evaluated for impairment | 3,741,821 |  |  | 3,741,821 |  |  | 3,795,957 |
Loans acquired with deteriorated credit quality | 2,634,131 | [1] |  | 2,634,131 | [1] |  | 3,059,133 | [1]
Ending balance | 6,462,760 |  |  | 6,462,760 |  |  | 6,965,871 |
Commercial and Industrial [Member] |  |  |  |  |  |  |  |
Covered Loans [Abstract] |  |  |  |  |  |  |  |
Beginning balance | 73,104 |  |  | 59,737 |  | 50,487 | 50,487 |
Provision for loan losses | 15,725 |  |  | 37,752 |  |  | 34,613 |
Allowance for unfunded loan commitments and letters of credit | 0 |  |  | 0 |  |  | 0 |
Charge-offs | (11,090) |  |  | (21,808) |  |  | (35,479) |
Recoveries | 2,246 |  |  | 4,304 |  |  | 10,116 |
Net charge-offs | (8,844) |  |  | (17,504) |  |  | (25,363) |
Ending balance | 79,985 |  |  | 79,985 |  |  | 59,737 |
Ending balance allocated to: |  |  |  |  |  |  |  |
Loans individually evaluated for impairment | 1,574 |  |  | 1,574 |  |  | 2,468 |
Loans collectively evaluated for impairment | 78,411 |  |  | 78,411 |  |  | 57,269 |
Loans acquired with deteriorated credit quality | 0 |  |  | 0 |  |  | 0 |
Ending balance | 79,985 |  |  | 79,985 |  |  | 59,737 |
Commercial and Industrial [Member] |  |  |  |  |  |  |  |
Recorded investment in total loans receivable related to each balance in the allowance for loan losses [Abstract] |  |  |  |  |  |  |  |
Loans individually evaluated for impairment | 24,169 |  |  | 24,169 |  |  | 22,671 |
Loans collectively evaluated for impairment | 2,660,303 |  |  | 2,660,303 |  |  | 1,960,685 |
Loans acquired with deteriorated credit quality | 519,949 | [1] |  | 519,949 | [1] |  | 634,560 | [1]
Ending balance | 3,204,421 |  |  | 3,204,421 |  |  | 2,617,916 |
Consumer [Member] |  |  |  |  |  |  |  |
Covered Loans [Abstract] |  |  |  |  |  |  |  |
Beginning balance | 3,768 |  |  | 3,428 |  | 2,730 | 2,730 |
Provision for loan losses | 22 |  |  | 1,389 |  |  | 2,415 |
Allowance for unfunded loan commitments and letters of credit | 0 |  |  | 0 |  |  | 0 |
Charge-offs | (304) |  |  | (1,384) |  |  | (2,579) |
Recoveries | 38 |  |  | 91 |  |  | 862 |
Net charge-offs | (266) |  |  | (1,293) |  |  | (1,717) |
Ending balance | 3,524 |  |  | 3,524 |  |  | 3,428 |
Ending balance allocated to: |  |  |  |  |  |  |  |
Loans individually evaluated for impairment | 0 |  |  | 0 |  |  | 0 |
Loans collectively evaluated for impairment | 3,524 |  |  | 3,524 |  |  | 3,428 |
Loans acquired with deteriorated credit quality | 0 |  |  | 0 |  |  | 0 |
Ending balance | 3,524 |  |  | 3,524 |  |  | 3,428 |
Consumer [Member] |  |  |  |  |  |  |  |
Recorded investment in total loans receivable related to each balance in the allowance for loan losses [Abstract] |  |  |  |  |  |  |  |
Loans individually evaluated for impairment | 1,077 |  |  | 1,077 |  |  | 620 |
Loans collectively evaluated for impairment | 587,863 |  |  | 587,863 |  |  | 732,905 |
Loans acquired with deteriorated credit quality | 74,797 | [1] |  | 74,797 | [1] |  | 85,623 | [1]
Ending balance | 663,737 |  |  | 663,737 |  |  | 819,148 |
Unallocated [Member] |  |  |  |  |  |  |  |
Covered Loans [Abstract] |  |  |  |  |  |  |  |
Beginning balance | 0 |  |  | 0 |  | 0 | 0 |
Provision for loan losses | 487 |  |  | 1,245 |  |  | 1,833 |
Allowance for unfunded loan commitments and letters of credit | (487) |  |  | (1,245) |  |  | (1,833) |
Charge-offs | 0 |  |  | 0 |  |  | 0 |
Recoveries | 0 |  |  | 0 |  |  | 0 |
Net charge-offs | 0 |  |  | 0 |  |  | 0 |
Ending balance | 0 |  |  | 0 |  |  | 0 |
Ending balance allocated to: |  |  |  |  |  |  |  |
Loans individually evaluated for impairment | 0 |  |  | 0 |  |  | 0 |
Loans collectively evaluated for impairment | 0 |  |  | 0 |  |  | 0 |
Loans acquired with deteriorated credit quality | 0 |  |  | 0 |  |  | 0 |
Ending balance | 0 |  |  | 0 |  |  | 0 |
Covered Loans Subject to Allowance For Loan Losses [Member] |  |  |  |  |  |  |  |
Recorded investment in total loans receivable related to each balance in the allowance for loan losses [Abstract] |  |  |  |  |  |  |  |
Loans individually evaluated for impairment | 0 |  |  | 0 |  |  | 0 |
Loans collectively evaluated for impairment | 607,475 |  |  | 607,475 |  |  | 561,725 |
Loans acquired with deteriorated credit quality | 0 | [1] |  | 0 | [1] |  | 0 | [1]
Ending balance | 607,475 |  |  | 607,475 |  |  | 561,725 |
Covered Loans Subject to Allowance For Loan Losses [Member] |  |  |  |  |  |  |  |
Covered Loans [Abstract] |  |  |  |  |  |  |  |
Beginning balance | 5,759 |  |  | 4,225 |  | 0 | 0 |
Provision for loan losses | 972 |  |  | 2,506 |  |  | 4,225 |
Allowance for unfunded loan commitments and letters of credit | 0 |  |  | 0 |  |  | 0 |
Charge-offs | 0 |  |  | 0 |  |  | 0 |
Recoveries | 0 |  |  | 0 |  |  | 0 |
Net charge-offs | 0 |  |  | 0 |  |  | 0 |
Ending balance | 6,731 |  |  | 6,731 |  |  | 4,225 |
Ending balance allocated to: |  |  |  |  |  |  |  |
Loans individually evaluated for impairment | 0 |  |  | 0 |  |  | 0 |
Loans collectively evaluated for impairment | 6,731 |  |  | 6,731 |  |  | 4,225 |
Loans acquired with deteriorated credit quality | 0 |  |  | 0 |  |  | 0 |
Ending balance | $ 6,731 |  |  | $ 6,731 |  |  | $ 4,225 |
[1] | The Company has elected to account for all covered loans acquired in the FDIC-assisted acquisitions under ASC 310-30. These are covered loans presented gross excluding the purchase discount and net of additional advances subsequent to acquisition date.

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- Definition Reflects the gross amount charged against earnings during the period as credit losses (bad debt expense) based on review of the loan and lease portfolio and application of the methodology for estimating credit losses. + References Reference 1: 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(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 114 -Paragraph 20 -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. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 9 -Section 03 -Paragraph 7 -Subparagraph d Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6965416&loc=d3e5212-111524 + Details
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- Definition The allowance for loan and lease losses represents the reserve to cover probable credit losses related to specifically identified loans and leases, as well as probable credit losses inherent in the remainder of the loan portfolio as of the balance sheet date. For banks, include currently required allocated transfer risk reserves. Include carryover of or adjustments to the allowance for loan losses in connection with business combinations determined to be appropriate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Chapter V -Section 563c.102 -Paragraph 8 -Subparagraph a(ii) -Subsection I -LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section L -Subsection 1 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 114 -Paragraph 20 -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. Reference 4: 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(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 9 -Section 03 -Paragraph 7 -Subparagraph d Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 8, 9 -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. Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 + Details
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- Definition The sum of the periodic provision charged to operations, based on an assessment of the uncollectibility of the loan and lease portfolio, the offset to which is either added to or deducted from the allowance account for the purpose of reducing loan receivable and leases to an amount that approximates their net realizable value (the amount expected to be collected). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 9 -Section 04 -Paragraph 11 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-DEP -Chapter 5 -Paragraph 168, 169, 170 -IssueDate 2006-05-01 -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. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration