v3.26.1
Pension and Other Post-Retirement Benefit Obligations - Schedule of Net Benefit Costs (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Pension Plan        
Defined Benefit Plan Disclosure [Line Items]        
Service cost $ 642 $ 671 $ 1,291 $ 1,318
Interest cost $ 1,074 $ 1,015 $ 2,158 $ 1,995
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Other income (expenses) Other income (expenses) Other income (expenses) Other income (expenses)
Expected return on plan assets $ (1,452) $ (1,389) $ (2,916) $ (2,727)
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other income (expenses) Other income (expenses) Other income (expenses) Other income (expenses)
Amortization of unrecognized items $ (283) $ (82) $ (569) $ (163)
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other income (expenses) Other income (expenses) Other income (expenses) Other income (expenses)
Net benefit costs (gains) $ (19) $ 215 $ (36) $ 423
Other Postretirement Benefits Plan        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 21 36 43 70
Interest cost $ 106 $ 111 $ 213 $ 219
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Other income (expenses) Other income (expenses) Other income (expenses) Other income (expenses)
Expected return on plan assets $ 0 $ 0 $ 0 $ 0
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other income (expenses) Other income (expenses) Other income (expenses) Other income (expenses)
Amortization of unrecognized items $ (190) $ (187) $ (381) $ (368)
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other income (expenses) Other income (expenses) Other income (expenses) Other income (expenses)
Net benefit costs (gains) $ (63) $ (40) $ (125) $ (79)