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Stock-Based Compensation - Schedule of Weighted-Average Grant-Date Fair Value of Unvested Restricted Stock (Details) - $ / shares
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Executive Performance Shares      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares      
Grant-date fair value per share, beginning of year (in dollars per share) $ 100.68    
Grants (in dollars per share) 120.49    
Estimated additional performance shares (in dollars per share) (99.81)    
Restriction lapses (in dollars per share) (100.74)    
Forfeitures (in dollars per share) (100.74)    
Grant-date fair value per share, end of year (in dollars per share) 105.28 $ 100.68  
Directors Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares      
Grant-date fair value per share, beginning of year (in dollars per share) 0    
Grants (in dollars per share) 119.59 94.94 $ 92.40
Estimated additional performance shares (in dollars per share) 0    
Restriction lapses (in dollars per share) (119.59)    
Forfeitures (in dollars per share) 0    
Grant-date fair value per share, end of year (in dollars per share) 0 0  
Directors Restricted Stock Units      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares      
Grant-date fair value per share, beginning of year (in dollars per share) 0    
Grants (in dollars per share) 117.92    
Estimated additional performance shares (in dollars per share) 0    
Restriction lapses (in dollars per share) (117.92)    
Forfeitures (in dollars per share) 0    
Grant-date fair value per share, end of year (in dollars per share) 0 0  
Employees Restricted Stock Units      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares      
Grant-date fair value per share, beginning of year (in dollars per share) 0    
Grants (in dollars per share) 120.18 0 $ 0
Estimated additional performance shares (in dollars per share) 0    
Restriction lapses (in dollars per share) 0    
Forfeitures (in dollars per share) (120.49)    
Grant-date fair value per share, end of year (in dollars per share) $ 120.16 $ 0