SUBSEQUENT EVENTS (Details) - Colombia Subsidiary [Member] $ in Millions	2 Months Ended
Dec. 31, 2017 USD ($) contract
Scenario, Forecast [Member]
Subsequent Event [Line Items]
Number of forward exchange contracts \| contract	5
Subsequent Event [Member]
Subsequent Event [Line Items]
Forward exchange contract settlement amount expected in the future \| $	$ 5.0

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration