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Retirement Benefit Plans (Tables)
 12 Months Ended
Dec. 31, 2025
Retirement Benefits [Abstract]  
Schedule of Assumptions Used in Accounting for the Defined Benefit Plan
The assumptions used in accounting for the defined benefit plans were as follows for the years ended December 31:
 20252024
Weighted average discount rates for pension benefit obligation
4.87%
5.39% - 5.49%
Weighted average discount rates for net periodic benefit cost
5.39%
5.02% - 5.04%
Expected long-term rate of return on assets for net periodic benefit costN/A5.00%
The assumptions used in accounting for the postretirement health care plans are set forth below for the years ended December 31:
 20252024
Weighted average discount rates for benefit obligation4.63 %5.26 %
Weighted average discount rates for net periodic benefit cost5.26 %4.98 %
Health care cost trend rate assumed for next year
6.50% - 7.50%
6.50%
Rate to which the cost trend rate is assumed to decline (ultimate trend rate)
4.75%
4.75%
Year that the rate reaches the ultimate trend rate
2033 - 2037
2033
Schedule of Net Periodic Benefit Income and Expense For the Defined Benefit Plan
Set forth below is detail of the net periodic pension expense for the defined benefit plans for the years ended December 31:
 20252024
Interest cost$1,189 $1,360 
Expected return on plan assets(1,107)(1,641)
Amortization of actuarial loss355 270 
Amortization of prior service cost58 58 
     Settlements7,804 — 
Net periodic pension expense
$8,299 $47 
Set forth below is detail of the net periodic benefit expense for the postretirement health care plans for the years ended December 31:
 20252024
Service cost$8 $8 
Interest cost70 75 
Amortization of actuarial loss92 75 
Amortization of prior service credit— (6)
Net periodic benefit expense$170 $152 
Schedule of Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Loss (Income)
Set forth below is detail of other changes in plan assets and benefit obligations recognized in other comprehensive (income) loss for the years ended December 31:
 20252024
Current year actuarial (gain) loss
$(2,604)$960 
Amortization of actuarial loss(355)(270)
Amortization of prior service cost(58)(58)
     Settlements(7,804)— 
Total recognized in other comprehensive (income) loss
$(10,821)$632 
Set forth below is detail of other changes in benefit obligations recognized in other comprehensive loss (income) for the years ended December 31:
 20252024
Current year actuarial loss (gain)
$159 $(49)
Amortization of actuarial loss(92)(75)
Amortization of prior service credit— 6 
Total recognized in other comprehensive loss (income)
$67 $(118)
Schedule of Changes in Benefit Obligations During the Year and Funded Status of Defined Benefit Plan
The following table sets forth the changes in the benefit obligation and the plan assets during the year and the funded status of the defined benefit plans at December 31:
 20252024
Change in benefit obligation  
Projected benefit obligation at beginning of year$26,680 $28,357 
Interest cost1,189 1,360 
Actuarial gain
(1,645)(427)
Benefits paid(2,519)(2,610)
Settlements(19,936)— 
Projected benefit obligation at end of year$3,769 $26,680 
Accumulated benefit obligation at end of year$3,769 $26,680 
Change in plan assets 
Fair value of plan assets at beginning of year$28,251 $30,128 
Actual return on plan assets2,066 258 
Employer contributions456 475 
Benefits paid(2,519)(2,610)
Settlements(19,936)— 
Plan asset transfer to qualified replacement plan
(8,318)— 
Fair value of plan assets at end of year
$— $28,251 
Funded status at end of year$(3,769)$1,571 
Amounts recognized in the balance sheets consist of: 
Non-current assets$— $5,624 
Current liabilities(510)(515)
Non-current liabilities(3,259)(3,538)
 $(3,769)$1,571 
Components of accumulated other comprehensive loss consist of:
Actuarial loss$1,307 $12,072 
Prior service cost470 528 
Deferred taxes(409)(2,869)
 $1,368 $9,731 
The following sets forth the changes in benefit obligations during the year and the funded status of the postretirement health care plans at December 31:
 20252024
Change in benefit obligation  
Benefit obligation at beginning of year$1,418 $1,579 
Service cost8 8 
Interest cost70 75 
Actuarial loss (gain)
159 (49)
Benefits paid(159)(195)
Benefit obligation at end of year$1,496 $1,418 
Amounts recognized in the balance sheets consist of: 
Current liabilities$(197)$(169)
Noncurrent liabilities(1,299)(1,249)
 $(1,496)$(1,418)
Components of accumulated other comprehensive loss consist of: 
Actuarial loss$483 $416 
Deferred taxes(110)(95)
 $373 $321