Other Assets - Composition of Other Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Benefit plan-related assets	$ 113,553	$ 98,536
Non-current deferred tax assets	140,004	103,559
Other	55,132	54,221
Total other assets	$ 308,689	$ 256,316