PRINCIPAL CLIENTS (Textual) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Risks and Uncertainties [Abstract]
Receivables Sold Under Factoring Agreements	$ 51,684	$ 33,980	$ 26,376

Aggregate Gross Amount of Receivables Sold Under Factoring Agreements

No definition available.

Name:	srt_ReceivablesSoldUnderFactoringAgreements
Namespace Prefix:	srt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration