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EMPLOYEE BENEFIT PLANS (Tables)
12 Months Ended
Dec. 31, 2024
EMPLOYEE BENEFIT PLANS  
Schedule of changes in accumulated postretirement benefit obligation

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December 31,

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2024

    

2023

    

Benefit obligation, beginning of year

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$

10,317

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$

9,961

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Service cost

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144

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142

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Interest cost

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474

​

 

477

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Actuarial (gain)/loss

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(1,100)

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276

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Benefits paid

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(539)

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(539)

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Benefit obligation, end of year

​

$

9,296

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$

10,317

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Schedule of net periodic postretirement benefit cost (income)

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2024

    

2023

    

2022

    

Service cost—benefits attributed to service during the period

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$

144

​

$

142

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$

241

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Interest cost on the accumulated postretirement benefit obligation

​

 

474

​

 

477

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336

​

Net amortization

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(639)

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(758)

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(826)

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Net periodic postretirement benefit cost (income)

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$

(21)

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$

(139)

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$

(249)

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​