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Stock Based Compensation - Share Unit Activity Under Plan (Details) - Share Units - $ / shares
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Number of Units      
Issued and unvested at beginning of year (in shares) 469,269    
Granted (in shares) 269,545 195,497 168,807
Vested (in shares) (87,790)    
Forfeited (in shares) (19,717)    
Issued and unvested at end of year (in shares) 631,307 469,269  
Weighted-Average Grant Date Value      
Issued and unvested at beginning of year (in dollars per share) $ 71.50    
Granted (in dollars per share) 66.28    
Vested (in dollars per share) 72.78    
Forfeited (in dollars per share) 70.21    
Issued and unvested at end of year (in dollars per share) $ 68.92 $ 71.50