v3.25.4
EMPLOYEE AND POSTRETIREMENT BENEFIT PLANS - Funded Status of Defined Benefit Plans (Details) - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Pension Plan      
EMPLOYEE AND POSTRETIREMENT BENEFIT PLANS      
Benefit obligation at beginning of year $ 938,000 $ 896,000  
Service cost 0 0 $ 0
Interest cost 33,000 29,000 31,000
Plan participants' contributions 0 0  
Actuarial loss 33,000 18,000  
Gain from plan amendments 0 0  
Benefits paid (5,000) (5,000)  
Settlement of plan obligation (659,000) 0  
Benefit obligation at end of year 340,000 938,000 896,000
Fair value of plan assets at beginning of year 977,000 946,000  
Actual return on plan assets 27,000 36,000  
Employer contribution 0 0  
Plan participants' contributions 0 0  
Benefits paid (5,000) (5,000)  
Settlement of plan obligation (659,000) 0  
Fair value of plan assets at end of year 340,000 977,000 946,000
Funded status at end of year $ 0 39,000  
Settlement percentage to accumulated benefit obligation prior to the distribution 66.00%    
Loss on settlement $ (93,000) 0 (21,000)
Other Postretirement Benefits Plan      
EMPLOYEE AND POSTRETIREMENT BENEFIT PLANS      
Benefit obligation at beginning of year 586,000 1,013,000  
Service cost 5,000 6,000 54,000
Interest cost 26,000 31,000 48,000
Plan participants' contributions 103,000 118,000  
Actuarial loss (54,000) 10,000  
Gain from plan amendments 0 (413,000)  
Benefits paid (152,000) (179,000)  
Settlement of plan obligation 0 0  
Benefit obligation at end of year 514,000 586,000 1,013,000
Fair value of plan assets at beginning of year 0 0  
Actual return on plan assets 0 0  
Employer contribution 49,000 61,000  
Plan participants' contributions 103,000 118,000  
Benefits paid (152,000) (179,000)  
Settlement of plan obligation 0 0  
Fair value of plan assets at end of year 0 0 0
Funded status at end of year (514,000) (586,000)  
Loss on settlement $ 0 $ 0 $ 0