Quarterly report pursuant to Section 13 or 15(d)

EQUITY AND EARNINGS PER SHARE - Summary of Outstanding Options (Details)

v3.10.0.1
EQUITY AND EARNINGS PER SHARE - Summary of Outstanding Options (Details)
9 Months Ended
Sep. 30, 2018
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]  
Beginning balance, Outstanding options (in shares) 18,502,188
Options granted (in shares) 2,924,166
Options exercised (in shares) (15,803,216)
Options expired unexercised (in shares) 0
Ending balance, Outstanding options (in shares) 5,623,138.000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]  
Weighted average exercise price, granted (in dollars per share) | $ / shares $ 17.13
Weighted average exercise price, exercised (in dollars per share) | $ / shares $ 14.30