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Retirement Benefits (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Postemployment Benefits [Abstract]        
Service cost $ 107 $ 124 $ 214 $ 248
Interest cost 374 373 748 746
Expected return on plan assets (712) (663) (1,424) (1,326)
Amortization of net loss 19 98 38 196
Net Periodic Benefit Income $ (212) $ (68) $ (424) $ (136)