XML 150 R133.htm IDEA: XBRL DOCUMENT v3.20.4
STOCK-BASED COMPENSATION - Stock Options Activity (Details)
 12 Months Ended
Dec. 31, 2020
shares
$ / shares
Dec. 31, 2019
shares
$ / shares
Share-based Payment Arrangements [Abstract]    
Number of options, beginning of year (in shares) | shares 3,154,795 2,719,612
Number of options, Granted (in shares) | shares 1,598,590 1,179,160
Number of options, Exercised (in shares) | shares (17,230) (743,977)
Number of options, Forfeited (in shares) | shares (9,521) 0
Number of options, end of year (in shares) | shares 4,726,634 3,154,795
Number of options, Exercisable, end of year (in shares) | shares 1,470,383 993,645
Weighted average exercise price, beginning of year (in dollars per share) | $ / shares $ 61.82 $ 53.22
Weighted average exercise price, Granted (in dollars per share) | $ / shares 62.56 72.03
Weighted average exercise price, Exercised (in dollars per share) | $ / shares 54.80 46.56
Weighted average exercise price, Forfeited (in dollars per share) | $ / shares 58.45 0
Weighted average exercise price, end of year (in dollars per share) | $ / shares 62.10 61.82
Weighted average exercise price, Exercisable, end of year (in dollars per share) | $ / shares $ 56.75 $ 52.38