| **OTHER ASSETS (Tables)**                                                        | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
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| **Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| Schedule of Other Assets                                                         | The following is a detail of items that comprise Other assets at December 31, 2013 and 2012:  AT DECEMBER 31,  2013 2012  (in thousands)OREO $88,603 $65,962Other repossessed assets 3,073 3,301Prepaid expenses 141,593 239,732Miscellaneous receivables 546,363 638,172Derivative assets at fair value 222,491 379,128MSRs, at fair value 141,787 92,512Core deposit intangibles and other intangibles, net 34,614 61,949Miscellaneous assets 30,584 34,743Total other assets $1,209,108 $1,515,499                                                                                                                                                      |
| Summary of Activity for Residential MSRs                                         | The following table presents a summary of activity for the Company’s residential MSRs: Year Ended December 31, 2013 2012 2011 (in thousands)Gross carrying value at beginning of period$92,512 $161,291 $173,549Write-off of reserves— (70,040) —Mortgage servicing assets recognized35,805 43,543 27,230Principal reductions(23,009) (36,568) —Change in fair value due to valuation assumptions36,479 (5,714) —Amortization and permanent impairment— — (39,488)Gross carrying value at end of period141,787 92,512 161,291Valuation allowance— — (70,040)Carrying value at end of period$141,787 $92,512 $91,251 |

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| - Definition
Tabular disclosure of the carrying amounts of other assets. This disclosure includes other current assets and other noncurrent assets.
+ References
No definition available.
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| - Definition
Tabular disclosure of the activity in the balance of servicing assets (including a description of where changes in fair value are reported in the statement of income for each period for which results of operations are presented), including but not limited to, the following: beginning and ending balances, additions (for instance, through purchases of servicing assets), disposals, changes in fair value during the period resulting from changes in inputs or assumptions used in the valuation model, other changes in fair value along with a description of those changes, and other changes that affect the balance along with a description of those changes.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7882072&loc=d3e122625-111746
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