Related Parties (Tables)

12 Months Ended

Dec. 31, 2019

Related Party Transactions [Abstract]

Schedule of Related Party Transactions

Following is a summary of transactions and balances with affiliates:

	Years Ended December 31,
	2019		2018		2017
	(in thousands)
Sales to affiliates	$	886	$	1,442	$	1,579
Payments to affiliates	332		342		432
			December 31,
			2019		2018
			(in thousands)
Due from affiliates			$	22	$	79
Due to affiliates			2		—