Annual report [Section 13 and 15(d), not S-K Item 405]

EMPLOYEE BENEFITS AND STOCK BASED COMPENSATION (Narrative) (Details)

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EMPLOYEE BENEFITS AND STOCK BASED COMPENSATION (Narrative) (Details)
 12 Months Ended
Dec. 31, 2025
USD ($)
item
shares
Dec. 31, 2024
USD ($)
shares
Dec. 31, 2023
USD ($)
shares
May 06, 2025
shares
Defined Benefit Plan Disclosure [Line Items]        
Number of shares available for future issuance | shares 2,370,597     2,500,000
Number of stock option awards exercised | shares 0 7,163 23,796  
Intrinsic value of stock options exercised   $ 25,000 $ 87,000  
Fair value of stock options exercised   253,000 864,500  
Cash received from the exercise of stock options   228,000 777,500  
Tax benefit from exercise of equity-based awards   2,000 9,000  
Restricted stock vesting percentage 33.33%      
Intrinsic value of stock options outstanding   0 $ 52,000  
Performance Shares [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Number of performance measures | item 2      
Weight of each performance measure 50.00%      
Postretirement Life Insurance        
Defined Benefit Plan Disclosure [Line Items]        
Liabilities for post retirement benefits payable to other beneficiaries $ 19,700,000 12,500,000    
Employees, Current and Former Members of Board of Directors        
Defined Benefit Plan Disclosure [Line Items]        
Deferred compensation plans $ 34,300,000 $ 22,600,000    
Restricted Stock [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Restricted stock units, vesting terms vest one-third on each of the first, second and third anniversaries from the date of grant      
1% through 3%        
Defined Benefit Plan Disclosure [Line Items]        
Percentage of employer's match for 401(k) plan 100.00%      
1% through 3% | Minimum [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Percentage of employee's gross pay for 401(k) plan 1.00%      
1% through 3% | Maximum [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Percentage of employee's gross pay for 401(k) plan 3.00%      
4% through 5%        
Defined Benefit Plan Disclosure [Line Items]        
Percentage of employer's match for 401(k) plan 50.00%      
4% through 5% | Minimum [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Percentage of employee's gross pay for 401(k) plan 4.00%      
4% through 5% | Maximum [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Percentage of employee's gross pay for 401(k) plan 6.00%