Annual report pursuant to Section 13 and 15(d)

Stock Incentive Plan - Roll Forward Activity (Details)

v3.24.0.1
Stock Incentive Plan - Roll Forward Activity (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Weighted Average Grant Date Fair Value      
Share-based compensation expense for restricted shares $ 11,495 $ 10,661 $ 10,500
Employee Stock Option | Continuing Operations      
Options      
Outstanding, beginning of period (in shares) 376    
Granted (in shares) 54    
Exercised (in shares) 0    
Forfeited (in shares) (60)    
Outstanding, end of period (in shares) 370 376  
Weighted Average Exercise Price      
Outstanding, beginning of period (in dollars per share) $ 66.13    
Granted (in dollars per share) 115.42    
Exercised (in dollars per share) 0    
Forfeited (in dollars per share) 44.97    
Outstanding, end of period (in dollars per share) $ 76.83 $ 66.13  
Employee Stock Option | Discontinued Operations      
Options      
Outstanding, beginning of period (in shares) 0    
Granted (in shares) 1    
Exercised (in shares) 0    
Forfeited (in shares) (1)    
Outstanding, end of period (in shares) 0 0  
Weighted Average Exercise Price      
Outstanding, beginning of period (in dollars per share) $ 0    
Granted (in dollars per share) 115.42    
Exercised (in dollars per share) 0    
Forfeited (in dollars per share) 115.42    
Outstanding, end of period (in dollars per share) $ 0 $ 0  
Restricted Stock | Continuing Operations      
Number of Shares      
Outstanding at beginning of year (shares) 138    
Granted (shares) 74    
Vested/Earned (in shares) (70)    
Forfeited (shares) (9)    
Outstanding at end of year (shares) 133 138  
Weighted Average Grant Date Fair Value      
Outstanding, beginning of period (in dollars per share) $ 87.81    
Granted (in dollars per share) 114.46 $ 105.52  
Vested/Earned (in dollars per share) 81.32    
Forfeited (in dollars per share) 104.68    
Outstanding, end of period (in dollars per share) $ 104.87 $ 87.81  
Restricted Stock | Discontinued Operations      
Number of Shares      
Outstanding at beginning of year (shares) 13    
Granted (shares) 5    
Vested/Earned (in shares) (6)    
Forfeited (shares) (12)    
Outstanding at end of year (shares) 0 13  
Weighted Average Grant Date Fair Value      
Outstanding, beginning of period (in dollars per share) $ 87.96    
Granted (in dollars per share) 115.42 $ 106.29 $ 75.05
Vested/Earned (in dollars per share) 82.07    
Forfeited (in dollars per share) 103.38    
Outstanding, end of period (in dollars per share) $ 0 $ 87.96  
Performance Shares | Continuing Operations      
Number of Shares      
Outstanding at beginning of year (shares) 70    
Granted (shares) 18    
Additional shares awarded based on actual performance level achieved (in shares) 4    
Vested/Earned (in shares) (31)    
Forfeited (shares) 0    
Outstanding at end of year (shares) 61 70  
Weighted Average Grant Date Fair Value      
Outstanding, beginning of period (in dollars per share) $ 87.74    
Granted (in dollars per share) 120.27    
Additional shares awarded based on actual performance level achieved (in dollars per share) 68.75    
Vested/Earned (in dollars per share) 69.10    
Forfeited (in dollars per share) 0    
Outstanding, end of period (in dollars per share) $ 105.88 $ 87.74  
Director Restricted Shares | Continuing Operations      
Number of Shares      
Outstanding at beginning of year (shares) 15    
Granted (shares) 15    
Vested/Earned (in shares) (15)    
Forfeited (shares) (1)    
Outstanding at end of year (shares) 14 15  
Weighted Average Grant Date Fair Value      
Outstanding, beginning of period (in dollars per share) $ 93.70    
Granted (in dollars per share) 96.10    
Vested/Earned (in dollars per share) 93.70    
Forfeited (in dollars per share) 96.10    
Outstanding, end of period (in dollars per share) $ 96.10 $ 93.70  
Share-based compensation expense for restricted shares $ 1,329 $ 1,387 $ 1,436
Excess tax benefit for the vesting of restricted shares $ 40 $ 12 $ 342