Related Party Transactions (Details) - Unconsolidated Affiliates - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Related Party Transaction [Line Items]
Sales to unconsolidated affiliates	$ 5,281	$ 5,372	$ 12,498	$ 9,663
Purchases from unconsolidated affiliates	55,149	$ 55,617	131,624	$ 119,116
Receivables from unconsolidated affiliates	4,454		4,454		$ 7,163
Payables to unconsolidated affiliates	$ 30,368		$ 30,368		$ 35,502

Amount for accounts payable to related parties.

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