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Related Parties (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Related Party Transactions [Abstract]          
Sales to affiliates $ 1,235 $ 318 $ 1,888 $ 368  
Payments to affiliates 38 $ 66 97 $ 193  
Due from affiliates 189   189   $ 22
Due to related parties $ 34   $ 34   $ 2