XML 80 R70.htm IDEA: XBRL DOCUMENT v3.21.2
SHAREHOLDERS’ EQUITY AND SHARE-BASED COMPENSATION - Summary of Activity Related to Awards (Details) - USD ($)
$ / shares in Units, $ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Number of options    
Outstanding at the beginning of the period (in shares) 899,914  
Forfeited/expired (in shares) (104,991)  
Outstanding at the end of the period (in shares) 794,923 899,914
Exercisable at the end of the period (in shares) 585,751  
Weighted average exercise price    
Outstanding at the beginning of the period (in usd per share) $ 32.47  
Forfeited/expired (in usd per share) 25.68  
Outstanding at the end of the period (in usd per share) 33.36 $ 32.47
Exercisable at the end of the period (in usd per share) $ 28.62  
Weighted average contractual term (in years)    
Weighted average contractual term 4 years 10 months 6 days 5 years 7 months 17 days
Exercisable at the end of the period 4 years 11 months 12 days  
Aggregate intrinsic value (in thousands)    
Aggregate intrinsic value, beginning balance (in dollars) $ 0  
Aggregate intrinsic value, ending balance (in dollars) 0 $ 0
Exercisable at the end of the period (in dollars) $ 0