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Employee Benefit Plans (Tables)
6 Months Ended
Jun. 30, 2024
Retirement Benefits [Abstract]  
Schedule of components of net periodic benefit cost
Components of Net Periodic Benefit Cost
Pension BenefitsLife and HealthSERP Benefits
Three Months EndedThree Months EndedThree Months Ended
(In thousands)6/30/20246/30/20236/30/20246/30/20236/30/20246/30/2023
Service cost$0 $$6 $$17 $
Interest cost762 814 81 88 267 275 
Expected return on plan assets(1,342)(1,195)0 0 
Amortization of net retirement plan actuarial loss229 274 (14)(13)0 
Amortization of net retirement plan prior service (credit) cost0 (10)(15)57 69 
Net periodic benefit (income) cost$(351)$(107)$63 $61 $341 $351 

Pension BenefitsLife and HealthSERP Benefits
Six Months EndedSix Months EndedSix Months Ended
(In thousands)6/30/20246/30/20236/30/20246/30/20236/30/20246/30/2023
Service cost$0 $$13 $16 $29 $21 
Interest cost1,594 1,637 171 177 565 574 
Expected return on plan assets(2,573)(2,394)0 0 
Amortization of net retirement plan actuarial loss488 578 (31)(20)0 
Amortization of net retirement plan prior service cost (credit)0 (21)(30)113 139 
Net periodic benefit (income) cost$(491)$(179)$132 $143 $707 $734