BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Cash and Cash Equivalents (Details)	12 Months Ended
Dec. 31, 2017
Minimum
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents, maturity term (in hours)	24 hours
Maximum
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents, maturity term (in hours)	72 hours

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