XML 69 R58.htm IDEA: XBRL DOCUMENT v3.22.1
SHARE-BASED COMPENSATION (Stock Option Activity) (Details) - Stock Options - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Share-based Compensation    
Intrinsic value of options exercised $ 300 $ 5,800
Total unrecognized compensation cost related to nonvested share-based compensation $ 1,500  
Total unrecognized compensation cost, recognized over a weighted-average period 2 years 1 month 6 days  
Stock Option Plans Activity and Related Information, Shares    
Outstanding beginning of period, shares 1,043  
Granted, shares 110  
Exercised, shares (8)  
Forfeited, shares (15)  
Outstanding end of period, shares 1,130  
Expected to vest after applying forfeiture rate, shares 1,127  
Vested and exercisable end of period, shares 891  
Stock Option Plans Activity and Related Information, Weighted Average Exercise Price    
Outstanding beginning of period, weighted-average exercise price $ 49.21  
Granted, weighted-average exercise price 83.90  
Exercised, weighted-average exercise price 44.09  
Forfeited, weighted-average exercise price 73.25  
Outstanding end of period, weighted-average exercise price 52.29  
Expected to vest after applying forfeiture rate, weighted-average exercise price 52.23  
Vested and exercisable end of period, weighted-average exercise price $ 46.22  
Summary of Weighted Average Remaining Contractual Term and Aggregate Intrinsic Value    
Outstanding at end of period, weighted-average remaining contractual term 5 years 9 months 21 days  
Outstanding at end of period, aggregate intrinsic value $ 34,843  
Expected to vest after applying forfeiture rate, weighted-average remaining contractual term 5 years 9 months 18 days  
Expected to vest after applying forfeiture rate, aggregate intrinsic value $ 34,829  
Vested and exercisable end of period, weighted-average remaining contractual term 4 years 11 months 4 days  
Vested and exercisable end of period, aggregate intrinsic value $ 32,804