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Related Parties (Tables)
 9 Months Ended
Sep. 30, 2020
Related Party Transactions [Abstract]  
Schedule of Related Party Transactions
The following is a summary of transactions and balance with affiliates:

 Three Months EndedNine Months Ended
 September 30,
2020		September 30,
2019		September 30,
2020		September 30,
2019
(in thousands)
Sales to affiliates$662 $338 $2,550 $706 
Payments to affiliates110 32 207 225 
September 30,
2020		December 31,
2019
(in thousands)
Due from affiliates$425 $22 
Due to affiliates— 2