Related Party Transactions (Details) - Unconsolidated Affiliates - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Related Party Transaction [Line Items]
Sales to unconsolidated affiliates	$ 4,863	$ 4,465	$ 17,361	$ 14,128
Purchases from unconsolidated affiliates	10,742	$ 41,304	142,366	$ 160,420
Receivables from unconsolidated affiliates	2,765		2,765		$ 7,163
Payables to unconsolidated affiliates	$ 7,263		$ 7,263		$ 35,502

Amount for accounts payable to related parties.

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