Pension and Other Post-Retirement Benefit Plans (Funded Status) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Pension Plans [Member]
Change in benefit obligation [Roll Forward]
Service cost	$ 0	$ 0	$ 0	$ 0
Interest cost	6,075	5,597	18,098	16,791
Change in plan assets [Roll Forward]
Employer contributions			1,500
Post-Retirement Healthcare Plans [Member]
Change in benefit obligation [Roll Forward]
Service cost	19	24	57	72
Interest cost	$ 15	$ 10	$ 44	$ 30