Defined Benefit Post-Retirement Plans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Defined Benefit Post-Retirement Plans [Abstract]
Employer contributions	$ 0	$ 0	$ 0	$ 0
Pension Benefits [Member]
Components of net periodic (benefit) cost [Abstract]
Service cost	513	482	1,027	964
Interest cost	1,006	1,010	2,011	2,020
Expected return on plan assets	(1,982)	(1,853)	(3,965)	(3,706)
Net amortization	1,452	670	1,905	1,340
Total net periodic cost (benefit)	989	309	978	618
Other Benefits [Member]
Components of net periodic (benefit) cost [Abstract]
Service cost	1	1	2	2
Interest cost	55	56	110	112
Expected return on plan assets	0	0	0	0
Net amortization	(1)	(21)	(2)	(42)
Total net periodic cost (benefit)	$ 55	$ 36	$ 110	$ 72