DERIVATIVES - Schedule of additional information about cash flow hedges (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| Expected reclassification of deferred hedges from accumulated other comprehensive income (“AOCI”) into earnings over the next 12 months | Designated as hedging instrument | ||
| Derivative [Line Items] | ||
| Cash flow hedges | $ 0 | $ 0 |
| X | ||||||||||
- Definition The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- 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.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|