Employee Benefit Plans - Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Retirement Benefits [Abstract]
Current year actuarial (gain) loss	$ (264,547)	$ 24,613	$ (33,677)
Recognition of actuarial loss	(49,897)	(39,613)	(31,000)
Current year prior service cost	0	0	3,327
Recognition of prior service (cost) credit	(690)	(692)	67
Recognition of curtailment (loss) gain	(5)	435	(155)
Other	(29)	0	(50)
Total recognized in other comprehensive loss	(315,168)	(15,257)	(61,488)
Total recognized in net periodic benefit income and other comprehensive (loss) income	$ (334,492)	$ (33,226)	$ (77,693)