| **OTHER ASSETS (Tables)**                                                        | 6 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 June 30, 2016 and December 31, 2015:  June 30, 2016 December 31, 2015  (in thousands)Income tax receivables $419,396 $613,339Derivative assets at fair value 555,127 355,169Other repossessed assets 186,202 172,749MSRs, at fair value 117,792 147,233Prepaid expenses 171,928 162,879OREO 37,432 38,959Miscellaneous assets and receivables 482,447 403,487Total other assets $1,970,324 $1,893,815                                                                                                                                     |
| Schedule of Servicing Assets at Fair Value                                       | The following table presents a summary of activity for the Company's residential MSRs that are included in the Condensed Consolidated Balance Sheets. Three-Month Period Ended Six-Month Period Ended June 30, 2016 June 30, 2015 June 30, 2016 June 30, 2015 (in thousands)Fair value at beginning of period$130,742 $135,452 $147,233 $145,047Mortgage servicing assets recognized4,801 7,803 8,392 11,329Principal reductions(6,283) (7,319) (12,009) (13,450)Change in fair value due to valuation assumptions(11,468) 21,211 (25,824) 14,221Fair value at end of period$117,792 $157,147 $117,792 $157,147 |

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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=68078379&loc=d3e122625-111746
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