EQUITY-METHOD INVESTMENT (Details) $ in Thousands	12 Months Ended
Dec. 31, 2016 USD ($)
Schedule of Equity Method Investments [Line Items]
Percentage of production offtake	66.66%
Percentage of operating expenses to be absorbed	66.66%
St. Gabriel CC Company, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint venture	66.66%
Loss relating to joint venture's expenses	$ (293)
Carrying value of joint venture	$ 4,553
St. Gabriel CC Company, LLC [Member] \| Eastman Chemical Company [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint venture	33.34%

Refers to the percentage of operating expenses to be absorbed.

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Refers to the percentage of production offtake.

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No definition available.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 45
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-URI http://asc.fasb.org/extlink&oid=66022249&loc=d3e33749-111570

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-Name Accounting Standards Codification
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This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Topic 225
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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.

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