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Employee Benefit Plans (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Net periodic benefit:        
Interest cost $ 136 $ 128 $ 272 $ 256
Expected return on plan assets (261) (291) (522) (581)
Amortization of net actuarial loss 13 28 26 56
Net periodic benefit $ (112) $ (135) $ (224) $ (269)