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Commitments and Contingencies - Receivable Purchase Agreement (Details)
$ in Millions
12 Months Ended
Dec. 31, 2020
USD ($)
Commitments and Contingencies  
Trade receivables from customers without recourse to be sold, maximum amount $ 15.0
Receivables sold 11.6
Receivables sold remaining outstanding 5.9
Receivables available for additional sales $ 9.1