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Related Party Transactions (Tables)
6 Months Ended
Jun. 30, 2021
Related Party Transactions [Abstract]  
Summary of Related Party Transactions
A summary of revenue, purchases from affiliates and expense transactions with Delek Holdings and its affiliates are as follows (in thousands):
Three Months Ended June 30,Six Months Ended June 30,
2021202020212020
Revenues$88,722 $87,629 $184,916 $194,328 
Purchases from Affiliates$74,128 $29,730 $139,943 $110,493 
Operating and maintenance expenses
$9,477 $10,310 $19,561 $23,067 
General and administrative expenses
$1,994 $2,703 $4,113 $6,072