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Summary of Significant Accounting Policies - Risks and Uncertainties and Use of Estimates (Details)	12 Months Ended
	Dec. 31, 2021 employee
Accounting Policies [Abstract]
Number of employees	6,300
Percent of employees located outside of the U.S.	20.00%
Percent of employees covered by collective bargaining agreements	40.00%
Entity Number Of Employees Covered By USW Collective Bargaining Agreements Expiring February 28 2021	1,100
Entity Number of Employees Subject to Collective Bargaining Arrangements Expiring Within One Year	800