Related Party Transactions

9 Months Ended

Sep. 30, 2018

Related Party Transactions:

Our consolidated statements of income include sales to and purchases from unconsolidated affiliates in the ordinary course of business as follows (in thousands):



	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
Sales to unconsolidated affiliates	$	4,970	$	7,309	$	20,608	$	23,753
Purchases from unconsolidated affiliates^(a)	$	60,136	$	51,983	$	186,111	$	148,502


(a)	Purchases from unconsolidated affiliates primarily relate to purchases from our Windfield joint venture.

Our condensed consolidated balance sheets include accounts receivable due from and payable to unconsolidated affiliates in the ordinary course of business as follows (in thousands):



	September 30, 2018		December 31, 2017
Receivables from unconsolidated affiliates	$	2,734	$	2,406
Payables to unconsolidated affiliates	$	54,227	$	55,801