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RESTRUCTURING AND SEVERANCE EXPENSES	12 Months Ended
RESTRUCTURING AND SEVERANCE EXPENSES	Dec. 31, 2019
Restructuring and Related Activities [Abstract]
RESTRUCTURING AND SEVERANCE EXPENSES	RESTRUCTURING AND SEVERENCE EXPENSES During 2018, the Company incurred restructuring and severance expenses of approximately $2.3 million related to changes in executive management and the completion of significant capital projects in our specialty petrochemicals segment. These expenses related to severance, stock compensation for continued vesting of time-vested shares issued under the Company's long-term incentive plans, and certain employee benefits including medical insurance and vacation. As of December 31, 2019, approximately $0.02 million remained unpaid and is included in accrued liabilities. As of December 31, 2018, approximately $1.2 million remained unpaid and was included in accrued liabilities.