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SHAREHOLDERS' EQUITY (Schedule of Intrinsic and Fair Values of RSU's) (Details) (USD $) - RSU's [Member] - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
The intrinsic value of converted RSU's | $ 15,840 | $ 12,996 | $ 1,177
The original fair value of converted RSU's | $ 10,761 | $ 8,138 | $ 994

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- Definition Intrinsic value of equity-based compensation awards vested. Excludes stock and unit options. + References No definition available. + Details
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- Details
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