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ORGANIZATION (Details)	6 Months Ended
ORGANIZATION (Details)	Jun. 30, 2018 Subsidiary
ORGANIZATION [Abstract]
Number of subsidiaries	11

Represents number of subsidiaries.

No definition available.

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Data Type:	xbrli:integerItemType
Balance Type:	na
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No definition available.

Name:	us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration