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Commitments and Contingencies - Narrative (Details)
Dec. 31, 2019
USD ($)
Oct. 31, 2019
USD ($)
Oct. 31, 2018
USD ($)
Feb. 08, 2018
claim
Purchase Commitment, Excluding Long-term Commitment [Line Items]        
Number of pending claims | claim       2
Purchase commitments, total $ 579,200,000      
Affiliated        
Purchase Commitment, Excluding Long-term Commitment [Line Items]        
Purchase commitments, total $ 134,000,000.0      
Standby Letters of Credit | Bank of America 2018 Credit Agreement | Bank of America | Revolving Credit Facility        
Purchase Commitment, Excluding Long-term Commitment [Line Items]        
Credit facility, maximum borrowing capacity   $ 6,400,000 $ 3,200,000