Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions (Details)

v3.7.0.1
Related Party Transactions (Details) - Delek - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Related Party Transaction    
Sale of Stock, Percentage of Ownership before Transaction 47.00%  
Related Party Transaction, Purchases from Related Party $ 1,661 $ 1,166