| **BUSINESS COMBINATIONS (Pro Forma Information) (Details) - USD ($) $ in Thousands** | 3 Months Ended | 9 Months Ended |
|--------------------------------------------------------------------------------------|----------------|----------------|
||
| **SCUSA Amounts Included in Results for the**                                        |           |           |   |   |
| Total Revenue, Net of Total Interest Expense                                         | $ 1,683,262    | $ 1,625,476    | $ 5,099,515 | $ 4,387,615 |
| SCUSA                                                                                |           |           |   |   |
| **SCUSA Amounts Included in Results for the**                                        |           |           |   |   |
| Total Revenue, Net of Total Interest Expense                                         |           | 1,585,281      |   | 4,281,311 |
| Net Income including Noncontrolling Interest                                         |           | 136,237        |   | 710,984 |
| **Supplemental Pro Forma Combined**                                                  |           |           |   |   |
| Total Revenue, Net of Total Interest Expense                                         |           | 2,232,312      |   | 6,239,871 |
| Net Income including Noncontrolling Interest                                         |           | $ 289,417      |   | $ 655,055 |

| X                                                                                                                                                                                                                                                                                                       |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Business Combination, Pro Forma Interest Income (Expense), Net
+ References
No definition available.
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| X                                                                                                                                                                                                                        |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The consolidated profit or loss for the period including the portion attributable to the noncontrolling interest.
+ References
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| X                                                                                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The net amount of operating interest income (expense).
+ References
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| X                                                                                                                                       |
|-----------------------------------------------------------------------------------------------------------------------------------------|
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