XML 27 R18.htm IDEA: XBRL DOCUMENT v3.23.3
Pension and Other Post-Retirement Benefits
9 Months Ended
Sep. 30, 2023
Retirement Benefits [Abstract]  
Pension and Other Post-Retirement Benefits Pension and Other Post-Retirement Benefits
 
The following table sets forth the net periodic costs for the defined benefit pension plans and post-retirement healthcare plans for the periods indicated (in thousands):
 Quarter ended September 30,
 Pension benefitsOther post-retirement benefits
 2023202220232022
Service cost$1,560 2,599 — — 
Interest cost2,245 1,671 10 
Expected return on plan assets(3,479)(3,864)— — 
Amortization of prior service cost(564)(564)— — 
Amortization of the net loss20 381 10 
Net periodic cost$(218)223 17 12 

Nine months ended September 30,
Pension benefitsOther post-retirement benefits
2023202220232022
Service cost$4,680 7,797 — — 
Interest cost6,735 5,013 21 30 
Expected return on plan assets(10,437)(11,592)— — 
Amortization of prior service cost(1,692)(1,692)— — 
Amortization of the net loss60 1,143 30 
Net periodic cost$(654)669 51 36 

Because of the current funding status, we do not anticipate a funding requirement during the year ending December 31, 2023.