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, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Retirement Benefits [Abstract]
Service cost	$ 1,718	$ 1,504	$ 5,156	$ 4,501
Interest cost	25,335	26,141	76,024	78,394
Expected return on plan assets	(44,352)	(41,270)	(133,095)	(123,773)
Amortization of prior service cost	281	173	843	519
Amortization of actuarial loss	3,564	2,340	10,698	7,021
Net periodic benefit income	$ (13,454)	$ (11,112)	$ (40,374)	$ (33,338)