Related Party Transactions (Tables)

3 Months Ended

Mar. 31, 2019

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 March 31,
	2019		2018
Sales to unconsolidated affiliates	$	4,291	$	4,605
Purchases from unconsolidated affiliates^(a)	$	63,499	$	68,916


(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):



	March 31, 2019		December 31, 2018
Receivables from unconsolidated affiliates	$	2,136	$	14,348
Payables to unconsolidated affiliates	$	58,220	$	68,357