FAIR VALUE OF FINANCIAL INSTRUMENTS - Additional Information (Details)	12 Months Ended
Dec. 31, 2018
Commercial paper
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commercial paper, maturity term	30 days

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.

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Period Type:	duration