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OTHER LONG-TERM ASSETS (Tables) | 12 Months Ended
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Dec. 31, 2017
Other Assets, Noncurrent Disclosure [Abstract] |
Schedule of Other Long-Term Assets |
|  | December 31, |
|  | 2017 |  |  | 2016 |
Severance pay fund |  | $ | 14,859 |  |  | $ | 14,701 |
Long-term deposits |  |  | 3,637 |  |  |  | 3,000 |
Investments in affiliate |  |  | 1,000 |  |  |  | 1,000 |
|  | $ | 19,496 |  |  | $ | 18,701 |

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- Definition Tabular disclosure of noncurrent assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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