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ACQUISITION OF BUSINESS (Schedule of pro forma information) (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Business Combinations [Abstract] |  |
Net revenue from Telematics services | $ 234,871 | $ 236,957
Net revenue from Telematics products | 111,146 | 130,825
Net income attributable to the Company | $ 51,609 | $ 47,138
Basic and diluted earnings per share attributable to Company's stockholders based on attributing of shares in the acquisition | $ 2.42 | $ 2.21

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