SHAREHOLDERS' EQUITY (Schedule of Stock Option Activity) (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Amount of options    
Beginning balance 648,773  
Granted 22,600  
Exercised 197,667  
Forfeited 12,854  
Ending balance 460,852 648,773
Exercisable 390,954  
Weighted average exercise price    
Beginning balance $ 62.09  
Granted 162.24  
Exercised 55.35  
Forfeited 101.87  
Ending balance 68.78 $ 62.09
Exercisable $ 60.05  
Weighted average remaining contractual term (in years)    
Options outstanding 5 years 5 months 8 days 5 years 11 months 8 days
Exercisable 4 years 11 months 12 days  
Aggregate intrinsic value    
Options outstanding $ 48,261 $ 64,555
Exercisable $ 44,269