| **OTHER ASSETS (Tables)**                                                        | 3 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 March 31, 2016 and December 31, 2015:  March 31, 2016 December 31, 2015  (in thousands)Income tax receivables $600,936 $607,817Derivative assets at fair value 481,733 355,169Other repossessed assets 190,565 204,494MSRs, at fair value 130,742 147,233Prepaid expenses 176,733 162,879OREO 36,981 38,959Miscellaneous assets and receivables 551,309 290,055Total other assets $2,168,999 $1,806,606 |
| Schedule of Servicing Assets at Fair Value                                       | The following table presents a summary of year to date activity for the Company's residential MSRs that are included in the Condensed Consolidated Balance Sheets. Three-Month Period Ended March 31, 2016 March 31, 2015 (in thousands)Fair value at beginning of period$147,233 $145,047Mortgage servicing assets recognized3,591 3,526Principal reductions(5,726) (6,131)Change in fair value due to valuation assumptions(14,356) (6,990)Fair value at end of period$130,742 $135,452                                                      |

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| - References
No definition available.
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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=56950315&loc=d3e122625-111746
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