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Related Party Transactions (Tables)
6 Months Ended
Jun. 30, 2017
Related Party Transactions [Abstract]  
Schedule of Common or Related Party Transactions

For the three and six months ended June 30, 2017 and 2016, the amount of sales to related parties as well as the purchases from and rent expense paid to related parties were as follows (in thousands):

 

     Three months ended      Six months ended  
     June 30,      June 30,  
     2017      2016      2017      2016  

Sales

   $ 2,386      $ 1,573      $ 4,722      $ 3,100  

Purchases

     308        153        599        256  

Rent

     289        154        585        309