XML 118 R100.htm IDEA: XBRL DOCUMENT v3.24.0.1
STOCK-BASED COMPENSATION - Restricted Stock Awards (Details) - Restricted Stock - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Number of Shares      
Unvested, beginning of period (in shares) 427,142    
Granted (in shares) 209,431    
Vested (in shares) (170,060)    
Forfeited (in shares) (51,890)    
Unvested, end of period (in shares) 414,623 427,142  
Weighted Average Grant-Date Fair Value      
Unvested, beginning of period (in dollars per share) $ 84.64    
Granted (in dollars per share) 140.32    
Vested (in dollars per share) 76.26    
Forfeited (in dollars per share) 102.11    
Unvested, end of period (in dollars per share) $ 114.02 $ 84.64  
Unrecognized compensation cost $ 34.5    
Period for recognition (in years) 2 years 10 months 24 days    
Fair value of share-based payment awards $ 26.5 $ 16.4 $ 17.7