Loss Per Share - Schedule of Anti-Dilutive Potential Common Equivalent Shares Excluded from Calculation of Net (Loss) Income Per Share (Details) - shares shares in Thousands |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
Denominator: | |||
Anti-dilutive potential common equivalent shares excluded from calculation of net loss per ordinary share | 13,923 | 11,659 | 11,486 |
Stock options | |||
Denominator: | |||
Anti-dilutive potential common equivalent shares excluded from calculation of net loss per ordinary share | 11,331 | 9,540 | 10,166 |
Restricted stock units | |||
Denominator: | |||
Anti-dilutive potential common equivalent shares excluded from calculation of net loss per ordinary share | 2,592 | 2,119 | 1,320 |