XML 101 R87.htm IDEA: XBRL DOCUMENT v3.22.0.1
STOCK-BASED COMPENSATION - SUMMARY OF RESTRICTED STOCK UNITS AND PERFORMANCE-BASED AWARDS (Details) - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Performance Shares [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]        
Unvested, Shares 380,819 305,269 195,305 138,896
Granted 122,812 158,756 126,874  
Vested in Period (22,371) (25,909) (25,696)  
Unvested, Weighted Average Fair Value $ 59.23 $ 52.61 $ 60.24 $ 59.33
Granted, Weighted Average Fair Value 76.76 49.56 54.64  
Vested in Period, Weighted Average Fair Value $ 62.80 $ 78.04 $ 42.44  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period (24,891) (22,883) (44,769)  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value $ 61.26 $ 69.39 $ 52.11  
Restricted Stock Units (RSUs)        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]        
Unvested, Shares 974,162 921,495 363,729 327,798
Granted 314,480 656,717 192,106  
Vested in Period (232,152) (83,253) (136,777)  
Unvested, Weighted Average Fair Value $ 53.48 $ 43.15 $ 60.00 $ 57.87
Granted, Weighted Average Fair Value 77.81 37.44 54.13  
Vested in Period, Weighted Average Fair Value $ 44.10 $ 69.17 $ 46.52  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period (29,661) (15,698) (19,398)  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value $ 63.86 $ 56.79 $ 59.62