XML 121 R101.htm IDEA: XBRL DOCUMENT v3.25.0.1
RETIREMENT BENEFITS (Defined Benefit Retirement Plan) (Details) - SERPs - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Change in benefit obligation:      
Benefit obligation at beginning of year $ 9,274 $ 9,220  
Interest cost 434 448  
Actuarial gains (378) 181  
Benefits paid (575) (575)  
Benefit obligation at end of the year 8,755 9,274 $ 9,220
Change in plan assets, at fair value:      
Fair value of plan assets at beginning of year 0 0  
Employer contributions 575 575  
Benefits paid (575) (575)  
Fair value of plan assets at end of year 0 0 0
Funded status at end of year (8,755) (9,274)  
Amounts recognized in AOCI:      
Net actuarial losses 426 106  
Total amounts recognized in AOCI $ 426 $ 106  
Benefit obligation actuarial assumptions:      
Weighted-average discount rate 5.20% 4.80%  
Components of net periodic benefit cost:      
Interest cost $ 432 $ 448 301
Amortization of net actuarial (gains) losses (2) (74) 79
Amortization of net transition obligation 0 7 18
Net periodic benefit cost $ 430 $ 381 $ 398
Net periodic cost actuarial assumptions:      
Weighted-average discount rate 4.90% 5.10% 2.70%