Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Equity (Share Capital) (Narrative) (Details)

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Equity (Share Capital) (Narrative) (Details) - ₪ / shares
shares in Thousands
Dec. 31, 2017
Dec. 31, 2016
Equity [Abstract]    
Common stock, par value ₪ 0.01 ₪ 0.01
Ordinary shares, issued 53,631 52,639
Ordinary shares, outstanding 53,631 52,639