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Related Parties (Tables)

6 Months Ended

Jun. 30, 2018

Related Party Transactions [Abstract]

Schedule of Related Party Transactions

The following is a summary of transactions and balance with affiliates:

	Three months ended								Six months ended
	June 30, 2018				June 30, 2017				June 30, 2018				June 30, 2017
	(in thousands)
Sales to affiliates	$	447			$	466			$	592			$	1,150
Payments to affiliates	101				305				111				308

	June 30, 2018				December 31, 2017
	(in thousands)
Due from affiliates	$	138			$	9
Due to affiliates	12				—

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- Definition

Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates.

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