Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2020

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


	Year Ended December 31,
	2020		2019		2018
Sales to unconsolidated affiliates	$	22,589	$	20,068	$	35,094
Purchases from unconsolidated affiliates(a)	$	168,072	$	210,351	$	256,701

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

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


	December 31,
	2020		2019
Receivables from related parties	$	4,098	$	7,163
Payables to related parties	$	30,123	$	35,502