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Related Party Transactions (Tables)
12 Months Ended
Dec. 31, 2020
Related Party Transactions [Abstract]  
Schedule of Common or Related Party Transactions
The amount of sales to common or related parties as well as the purchases from and rent expense paid to common or related parties were as follows (in thousands):

Years ended December 31,
202020192018
Sales$3,987 $13,488 $12,636 
Purchases1,841 1,810 1,587 
Rent1,125 1,040 1,099