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Related Parties (Tables) | 6 Months Ended
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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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- References No definition available. + Details
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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. + References No definition available. + Details
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