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Accounts Receivable - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable payments terms (30 days or less) 30 days  
Threshold period past due for write-off of trade accounts receivable (in days) 180 days  
Revolving line-of-credit facility under 2016 Credit Agreement    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Receivables with revolving credit balances $ 60.2 $ 62.4