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Share-Based Compensation (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Compensation expense   $ 3.3 $ 4.5 $ 2.7
Restricted Stock Units Equity Awards [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]        
Nonvested awards January 1, 43,198 42,281 33,467  
Granted   26,398 29,733  
Vested   (23,831) (14,244)  
Forfeited   0 (488)  
Undistributed vested awards [1]   (1,650) (6,187)  
Nonvested awards December 31,   43,198 42,281 33,467
Unvested, weighted average grant date fair value per share, beginning balance $ 74.44 $ 65.65 $ 71.02  
Granted, weighted average grant date fair value   92.67 63.19  
Vested, weighted average grant date fair value   77.83 72.46  
Undistributed vested awards, weighted average grant date fair value per share [1]   92.67 67.18  
Forfeited, weighted average grant date fair value per share   0 63.19  
Unvested, weighted average grant date fair value per share, ending balance   $ 74.44 $ 65.65 $ 71.02
Performance Units Liability Awards [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Award vesting period   3 years    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]        
Nonvested awards January 1, 29,879 22,098 18,779  
Granted   18,136 16,414  
Vested   (8,705) (8,708)  
Forfeited   0 (488)  
Undistributed vested awards [2]   (1,650) (3,899)  
Nonvested awards December 31,   29,879 22,098 18,779
Weighted average fair Value of each nonvested award   $ 85.47 $ 130.73  
Weighted average estimated payout percent based on performance criteria   109.00% 139.10%  
Performance Units Liability Awards [Member] | Maximum [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Awards to be granted as percentage of target units   200.00%    
Performance Units Liability Awards [Member] | Minimum [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Awards to be granted as percentage of target units   0.00%    
2021 Long Term Incentive Plan [Member] | Maximum [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Common stock to be issued with plan   500,000    
2021 Long Term Incentive Plan [Member] | Restricted Stock Units Equity Awards [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Award vesting period   3 years    
Stockholders' Equity, Other Shares   11,213    
2021 Long Term Incentive Plan [Member] | Restricted Stock Units Equity Awards [Member] | Subsequent Event [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Stockholders' Equity, Other Shares 22,050      
2021 Long Term Incentive Plan [Member] | Performance Units Liability Awards [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Cash payments distributed related to awards previously granted and now payable   $ 1.2    
Share Based Compensation Arrangement By Share Based Payment Award Payout Ratio     175.00%  
[1] Represents restricted stock units that vested but were not distributed to retirement-eligible employees.
[2] Represents performance units that vested but were not distributed to retirement-eligible employees.