v3.25.4
Share-based Compensation Plans: Performance Condition (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Weighted-average recognition period 2 years 1 month 6 days  
Performance Share Units - Market Condition    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share Based Compensation Arrangement By Share Based Payment Award - Performance Period Used to Estimate Expected Share Payout 3 years  
Performance Shares    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Granted (usd per share) $ 77.95 $ 55.14
Performance Share Award, Percentage of Target 29.97%  
Target shares, value $ 1.3  
Performance Shares | Performance Share Units - Market Condition    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 135,314 151,535
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 63.69 $ 66.43
Performance Shares, Granted in Period 31,275  
Granted (usd per share) $ 62.16  
Performance Shares, Vested in Period (32,986)  
Vested (usd per share) $ 74.48  
Performance Shares, Forfeited in Period (14,510)  
Forfeited (usd per share) $ 64.45  
Performance Shares | Performance Share Units - Performance Condition    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 87,584 72,805
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 58.34 $ 62.59
Performance Shares, Granted in Period 46,915  
Granted (usd per share) $ 57.56  
Performance Shares, Vested in Period (21,994)  
Vested (usd per share) $ 70.57  
Performance Shares, Forfeited in Period (10,142)  
Forfeited (usd per share) $ 58.71  
Performance Shares | Outstanding Performance Share/Units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount $ 4.1  
Weighted-average recognition period 1 year 8 months 12 days