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Defined Benefit Post-Retirement Plans (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Defined Benefit Post-Retirement Plans [Abstract]    
Employer contributions $ 0 $ 0
Pension Benefits [Member]    
Components of net periodic (benefit) cost [Abstract]    
Service cost 514 482
Interest cost 1,005 1,010
Expected return on plan assets (1,983) (1,853)
Net amortization 453 670
Total net periodic (benefit) cost (11) 309
Other Benefits [Member]    
Components of net periodic (benefit) cost [Abstract]    
Service cost 1 1
Interest cost 55 56
Expected return on plan assets 0 0
Net amortization (1) (21)
Total net periodic (benefit) cost $ 55 $ 36