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Compensation Related Costs, Retirement Benefits (Details) - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]      
Deferred Compensation Arrangement with Individual, Requisite Service Period 3 months    
Defined Benefit Plan, Benefit Obligation, Benefits Paid $ 3,700,000    
Defined Benefit Plan, Benefit Obligation $ 18,400,000    
Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Defined Contribution Plan, Employer Matching Contribution, Percent of Match 75.00%    
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent 8.00%    
Defined Contribution Plan, Cost $ 7,100,000 $ 6,100,000 $ 6,900,000
Pension Plan | Vested After Two Years of Service      
Defined Benefit Plan Disclosure [Line Items]      
Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage 25.00%    
Pension Plan | Vested After Three Years of Service      
Defined Benefit Plan Disclosure [Line Items]      
Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage 50.00%    
Pension Plan | Vested After Four Years of Service      
Defined Benefit Plan Disclosure [Line Items]      
Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage 75.00%    
Pension Plan | Vested After Five Years of Service      
Defined Benefit Plan Disclosure [Line Items]      
Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage 100.00%    
Postretirement Life Insurance      
Defined Benefit Plan Disclosure [Line Items]      
Defined Contribution Plan, Cost $ 6,900,000 6,700,000  
Defined Benefit Plan, Plan Assets, Benefits Paid 2,800,000 633,000 $ 587,000
Defined Benefit Plan, Base Amount of Death Proceeds, Annual Percentage Increase Until Retirement Age Reached $ 3    
Defined Benefit Plan, Period Death Benefit Required to be Paid Following Participant's Death 90 days    
Directors And Officers | Deferred Compensation, Excluding Share-Based Payments and Retirement Benefits      
Defined Benefit Plan Disclosure [Line Items]      
Deferred Compensation Liability, Current and Noncurrent $ 441,000 443,000  
Executive Officer | Long Term Incentive Plan      
Defined Benefit Plan Disclosure [Line Items]      
Deferred Compensation Arrangement with Individual, Compensation Expense $ 669,000 $ 628,000  
Executive Officer | Long Term Incentive Plan | Minimum      
Defined Benefit Plan Disclosure [Line Items]      
Deferred Compensation Arrangement with Individual, Requisite Service Period 5 years    
Executive Officer | Long Term Incentive Plan | Maximum      
Defined Benefit Plan Disclosure [Line Items]      
Deferred Compensation Arrangement with Individual, Requisite Service Period 10 years