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Employee Benefit Plans (Tables)
9 Months Ended
Sep. 30, 2025
Retirement Benefits [Abstract]  
Schedule of components of employee benefit plan expense
The components of the employee benefit plan expense consisted of the following:
 Three Months Ended 
September 30,
Nine Months Ended 
September 30,
(in thousands)2025202420252024
Interest cost$5,650 $5,628 $16,948 $16,833 
Expected return on plan assets, net of expenses(5,558)(6,018)(16,675)(18,054)
Amortization of actuarial loss and prior service cost13 14 
Total for defined benefit pension plan96 (385)286 (1,207)
SERPs242 233 727 701 
Defined contribution plan3,586 3,845 11,967 12,786 
Net periodic benefit cost$3,924 $3,693 $12,980 $12,280