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EARNINGS PER SHARE (Schedule of Weighted Average Shares Used in Earnings Per Share) (Details) - shares shares in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Earnings Per Share [Abstract] |  |  |
Weighted average number of shares used in the computation of basic and diluted earnings per share | 20,968 | 20,968 | 20,968

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- References No definition available. + Details
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- Definition Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS). + References No definition available. + Details
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