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Defined Benefit Post-Retirement Plans (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Defined Benefit Post-Retirement Plans [Abstract]        
Employer contributions $ 0 $ 0 $ 0 $ 0
Pension Benefits [Member]        
Components of net periodic cost [Abstract]        
Service cost 552 476 1,579 1,440
Interest cost 1,007 999 3,018 3,019
Expected return on plan assets (1,972) (1,844) (5,937) (5,550)
Net amortization 472 669 2,377 2,009
Total net periodic cost 59 300 1,037 918
Other Benefits [Member]        
Components of net periodic cost [Abstract]        
Service cost 1 1 3 3
Interest cost 58 56 168 168
Expected return on plan assets 0 0 0 0
Net amortization (1) (21) (3) (63)
Total net periodic cost $ 58 $ 36 $ 168 $ 108