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Related Party Transactions (Details) - Unconsolidated Affiliates - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Related Party Transaction [Line Items]      
Sales to unconsolidated affiliates $ 5,730 $ 7,217  
Purchases from unconsolidated affiliates 33,150 $ 76,475  
Receivables from unconsolidated affiliates 5,862   $ 4,098
Payables to unconsolidated affiliates $ 33,988   $ 30,123