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Employee Benefit Plans (Tables)
3 Months Ended
Mar. 31, 2022
Retirement Benefits [Abstract]  
Components of Net Periodic Benefit Expense

The components of the Company’s net periodic benefit expense for its pension and post-retirement obligations were as follows (in thousands):

 

 

 

Three months ended
March 31,

 

 

 

2022

 

 

2021

 

Service cost

 

$

872

 

 

$

1,049

 

Interest cost on projected benefit obligation

 

 

647

 

 

 

551

 

Expected return on plan assets

 

 

(1,141

)

 

 

(1,306

)

Amortization of unrecognized prior service credit

 

 

 

 

 

(1

)

Amortization of unrecognized net actuarial loss

 

 

65

 

 

 

186

 

Net periodic benefit expense

 

$

443

 

 

$

479