Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION (Exercise price range) (Details)

v3.19.3.a.u2
STOCK-BASED COMPENSATION (Exercise price range) (Details)
shares in Thousands
 12 Months Ended
Dec. 31, 2019
$ / shares
shares
$5.00-$9.99 [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Lower range limit (in dollars per share) $ 5.00
Upper range limit (in dollars per share) $ 9.99
Outstanding (in shares) | shares 4,325
Outstanding, weighted average remaining contractual life (in years) 2 years 9 months 18 days
Outstanding, weighted average exercise price (in dollars per share) $ 8.80
Exercisable (in shares) | shares 4,325
Exercisable, weighted average remaining contractual life (in years) 2 years 9 months 18 days
Exercisable, weighted average exercise price (in dollars per share) $ 8.80
$10.00 - $14.99 [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Lower range limit (in dollars per share) 10.00
Upper range limit (in dollars per share) $ 14.99
Outstanding (in shares) | shares 1,754
Outstanding, weighted average remaining contractual life (in years) 1 year 8 months 12 days
Outstanding, weighted average exercise price (in dollars per share) $ 11.39
Exercisable (in shares) | shares 1,754
Exercisable, weighted average remaining contractual life (in years) 1 year 8 months 12 days
Exercisable, weighted average exercise price (in dollars per share) $ 11.39
$15.00 - $19.99 [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Lower range limit (in dollars per share) 15.00
Upper range limit (in dollars per share) $ 19.99
Outstanding (in shares) | shares 921
Outstanding, weighted average remaining contractual life (in years) 6 years
Outstanding, weighted average exercise price (in dollars per share) $ 19.31
Exercisable (in shares) | shares 921
Exercisable, weighted average remaining contractual life (in years) 6 years
Exercisable, weighted average exercise price (in dollars per share) $ 19.31
$20.00 - $24.99 [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Lower range limit (in dollars per share) 20.00
Upper range limit (in dollars per share) $ 24.99
Outstanding (in shares) | shares 1,596
Outstanding, weighted average remaining contractual life (in years) 4 years 1 month 6 days
Outstanding, weighted average exercise price (in dollars per share) $ 21.14
Exercisable (in shares) | shares 1,595
Exercisable, weighted average remaining contractual life (in years) 4 years 1 month 6 days
Exercisable, weighted average exercise price (in dollars per share) $ 21.13
$25.00 - $29.99 [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Lower range limit (in dollars per share) 25.00
Upper range limit (in dollars per share) $ 29.99
Outstanding (in shares) | shares 1,663
Outstanding, weighted average remaining contractual life (in years) 6 years
Outstanding, weighted average exercise price (in dollars per share) $ 26.99
Exercisable (in shares) | shares 1,607
Exercisable, weighted average remaining contractual life (in years) 6 years
Exercisable, weighted average exercise price (in dollars per share) $ 26.92
$30.00 - $44.99 [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Lower range limit (in dollars per share) 30.00
Upper range limit (in dollars per share) $ 44.99
Outstanding (in shares) | shares 601
Outstanding, weighted average remaining contractual life (in years) 8 years 1 month 6 days
Outstanding, weighted average exercise price (in dollars per share) $ 43.76
Exercisable (in shares) | shares 291
Exercisable, weighted average remaining contractual life (in years) 8 years
Exercisable, weighted average exercise price (in dollars per share) $ 43.75
$45.00 - $60.99 [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Lower range limit (in dollars per share) 45.00
Upper range limit (in dollars per share) $ 60.99
Outstanding (in shares) | shares 487
Outstanding, weighted average remaining contractual life (in years) 9 years 2 months 12 days
Outstanding, weighted average exercise price (in dollars per share) $ 56.77
Exercisable (in shares) | shares 0
Exercisable, weighted average remaining contractual life (in years) 0 years
Exercisable, weighted average exercise price (in dollars per share) $ 0