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SUBSEQUENT EVENTS (Details) $ in Millions | Mar. 31, 2017 USD ($) item | Jun. 30, 2017 USD ($) | May 31, 2017 USD ($)
--- | --- | --- | ---
Trinidad Subsidiary [Member] | Subsequent Event [Member] | Citibank N.A. [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Maximum borrowing capacity | $ 12.0 |  |
Number of payments | item | 8 |  |
LIBOR measurement period | 90 days |  |
Debt instrument, Basis spread on variable rate | 3.00% |  |
Colombia Subsidiary [Member] | Scenario, Forecast [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Forward exchange contract settlement amount |  | $ 6.0 | $ 6.0

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