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Related Party Transactions (Tables)
9 Months Ended
Sep. 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 September 30,Nine Months Ended September 30,
2021202020212020
Revenues$123,519 $95,410 $308,435 $289,739 
Purchases from Affiliates$89,852 $45,186 $229,810 $155,679 
Operating and maintenance expenses
$10,656 $10,330 $30,217 $33,397 
General and administrative expenses
$2,681 $3,250 $6,794 $9,322