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SELECTED STATEMENTS OF OPERATIONS DATA (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Net Investment Income [Line Items] |  |  |
Income (loss) resulting from devaluation of the local currency in Venezuela | $ 907 | $ (1,634) | $ (20,452)
Others [Member] |  |  |
Net Investment Income [Line Items] |  |  |
Income (loss) resulting from devaluation of the local currency in Venezuela |  |  | $ 2,170

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- Definition 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. + References No definition available. + Details
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