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Employee Benefit Plans (Tables)
9 Months Ended
Sep. 30, 2021
Retirement Benefits [Abstract]  
Schedule of Net Benefit Costs
Net periodic defined benefit pension benefit costs include the following:
Three Months Ended September 30,Nine Months Ended September 30,
2021202020212020
(In thousands)
Service cost$304 $287 $937 $856 
Interest cost256 297 776 875 
Amortization of actuarial loss1,197 2,273 3,649 7,325 
Net periodic pension cost$1,757 $2,857 $5,362 $9,056