SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - DERIVATIVES AND HEDGING ACTIVITIES (Details) |
12 Months Ended |
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Dec. 31, 2017 | |
| Minimum | 听 |
| DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES | 听 |
| Minimum interval period of effectiveness assessments | 3 months |
| Derivative designated as a cash flow hedge, effectiveness percentage (as a percent) | 80.00% |
| Maximum | 听 |
| DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES | 听 |
| Derivative designated as a cash flow hedge, effectiveness percentage (as a percent) | 125.00% |
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- Definition Represents the effectiveness percentage of derivative instruments designated as cash flow hedging instruments. The percentage is calculated by the change in the value of the hedge divided by the change in value of the hedged item. No definition available.
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- Definition Represents the minimum interval period in which effectiveness assessments of derivative instruments designated as cash flow hedging instrument is carried out. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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