Employee Benefit Plans - Components of Net Periodic Benefit Income for the Pension Plans (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Retirement Benefits [Abstract]
Service cost	$ 2,532	$ 3,043	$ 7,734	$ 9,185
Interest cost	18,804	17,915	56,520	53,783
Expected return on plan assets	(37,569)	(38,755)	(112,887)	(116,345)
Amortization of prior service cost	172	172	516	516
Amortization of actuarial loss	9,264	12,465	27,818	37,430
Net periodic benefit income	$ (6,797)	$ (5,160)	$ (20,299)	$ (15,431)