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Shareholders' Equity (Issuance of Ordinary Shares) (Details) - Underwritten Public And Over-Allotment Offering [Member]
$ / shares in Units, $ in Millions
1 Months Ended
Jan. 31, 2016
USD ($)
$ / shares
shares
Shareholders Equity [Line Items]  
Ordinary shares sold (in dollars per share) | $ / shares $ 53.00
Net proceeds from issuance of ordinary shares in underwritten public offering | $ $ 128.6
Ordinary Shares  
Shareholders Equity [Line Items]  
Number of shares issued in transaction | shares 2,587,500