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Employee benefit plans (Tables)
3 Months Ended
Mar. 31, 2024
Employee benefit plans  
Schedule of components of net periodic benefit cost

(Dollars in thousands)

Pension Benefits

 

Three Months Ended March 31,

2024

2023

 

Net periodic pension benefit:

    

    

Interest cost

$

158

$

164

Expected return on plan assets

 

(320)

 

(293)

Amortization of unrecognized net gain

 

49

 

50

Net periodic pension benefit

$

(113)

$

(79)