Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

Equity (Summary of RSUs and PSUs Activity) (Details)

v3.19.1
Equity (Summary of RSUs and PSUs Activity) (Details) - RSUs and PSUs [Member]
3 Months Ended
Mar. 31, 2019
$ / shares
shares
Number of RSUs and PSUs  
Unvested RSUs outstanding, beginning | shares 1,422,887
Granted | shares 1,511,632
Forfeited | shares (61,500)
Vested | shares (43,036)
Unvested RSUs and PSUs outstanding, ending | shares 2,829,983
Weighted Average Grant Date Fair Value  
Unvested RSUs outstanding, beginning | $ / shares $ 20.17
Granted | $ / shares 26.65
Forfeited | $ / shares 21.73
Vested | $ / shares 21.06
Unvested RSUs and PSUs outstanding, ending | $ / shares $ 23.58