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

Equity (Summary of RSUs activity) (Details)

v3.7.0.1
Equity (Summary of RSUs activity) (Details) - Restricted Stock Units (RSUs) [Member]
6 Months Ended
Jun. 30, 2017
$ / shares
shares
Number of RSUs  
Unvested RSUs outstanding, beginning | shares 267,756
Granted | shares 253,858
Forfeited | shares (73,638)
Vested | shares (67,980)
Unvested RSUs outstanding, ending | shares 379,996
Weighted Average Grant Date Fair Value  
Unvested RSUs outstanding, beginning | $ / shares $ 81.35
Granted | $ / shares 19.97
Forfeited | $ / shares 82.50
Vested | $ / shares 57.69
Unvested RSUs outstanding, ending | $ / shares $ 44.36