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Employee benefit plans (Tables)
6 Months Ended
Jun. 30, 2023
Employee benefit plans  
Schedule of Net Periodic Defined Benefit Cost (Income)

Three months ended

Six months ended

June 30, 

June 30, 

    

2022

    

2023

    

2022

    

2023

(In thousands)

Interest cost

$

297

$

412

$

594

$

862

Expected return on plan assets

(392)

(352)

(784)

(766)

Recognized actuarial losses

 

373

 

358

 

746

 

716

Total

$

278

$

418

$

556

$

812