XML 84 R73.htm IDEA: XBRL DOCUMENT v3.25.3
Retirement Plans and Other Postretirement Benefits - Components of Net Periodic Benefit Cost (Income) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Retirement Plans        
Defined Benefit Plan Disclosure [Line Items]        
Service cost $ 137 $ 141 $ 411 $ 424
Interest cost 604 596 1,812 1,788
Expected loss on plan assets (895) (870) (2,685) (2,610)
Amortization of net actuarial loss (gain) 64 175 188 526
Net periodic benefit (income) cost (90) 42 (274) 128
Other Post Retirement Benefits        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 10 14 32 42
Interest cost 27 27 81 81
Expected loss on plan assets 0 0 0 0
Amortization of net actuarial loss (gain) (27) (28) (76) (85)
Net periodic benefit (income) cost $ 10 $ 13 $ 37 $ 38