FAIR VALUES OF FINANCIAL INSTRUMENTS - Additional Information (Details)	12 Months Ended
Dec. 31, 2018
Maximum [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Repurchase arrangements, initial term	120 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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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration