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, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Retirement Benefits [Abstract]
Service cost	$ 1,590	$ 1,718	$ 4,691	$ 5,156
Interest cost	22,951	25,335	68,711	76,024
Expected return on plan assets	(29,245)	(44,352)	(87,550)	(133,095)
Amortization of prior service cost	285	281	855	843
Amortization of actuarial loss	4,618	3,564	13,859	10,698
Net periodic loss (income)	$ 199	$ (13,454)	$ 566	$ (40,374)