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Summary of Significant Accounting Policies - Accounts Receivable Factoring (Details) - Trade Accounts Receivable [Member] - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Accounts Notes And Loans Receivable [Line Items]    
Accounts Receivable, Sold $ 0.1 $ 0.1
Factoring Agreement [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Accounts Receivable, Sold $ 35.8 $ 64.0