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INVESTMENTS IN AFFILIATED AND OTHER COMPANIES (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Schedule of Equity Method Investments [Line Items] |  |  |  |
Investments in other company |  | $ 3,260 | $ 2,772 |
Share in gains (losses) of affiliated companies, net |  | (3,203) | 4,219 | $ 8,520
Gain from measurement of previously held interests at acquisition date fair value | [1] |  | 14,677 |
Locationet [Member] |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Investments in other company |  | $ 200 | $ 1,200 |
[1] | As a result of the acquisition described in Note 3 the company gained control over certain companies that previously were accounted under the equity method ("JV's") and began to include these JV's in the consolidated . The company recorded one time gain in the amount of approximately $14.7 million from measurement of the JV's at the acquisition date to fair value.

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