Employee Benefit Plans (Components of Net Periodic Costs) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Retirement Benefits [Abstract]
Service Cost	$ 3,119	$ 5,181	$ 6,020
Interest Cost	2,205	1,804	1,576
Expected Return on Assets	(2,099)	(1,959)	(1,831)
Amortization of Prior Service Cost	487	487	487
Actuarial Gain	(434)	0	0
Total Net Periodic Benefit Costs	$ 3,278	$ 5,513	$ 6,252