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Related Party Transactions (Tables)
 3 Months Ended
Mar. 31, 2019
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 March 31,
 
 
2019
 
2018
Revenues
 
$
62,965

 
$
61,644

Purchases from Affiliates
 
$
79,434

 
$
83,401

Operating and maintenance expenses 
 
$
9,925

 
$
7,489

General and administrative expenses 
 
$
1,370

 
$
957