XML 59 R35.htm IDEA: XBRL DOCUMENT v3.20.2
Related Party Transactions - Additional Information (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 6 Months Ended
Mar. 31, 2020
Mar. 31, 2020
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Mar. 01, 2020
Feb. 29, 2020
Related Party Transaction [Line Items]                
Stock Repurchased During Period, Shares         0      
Stock Repurchased During Period, Value   $ 5.0            
Asset Acquisition, Equity Interest Transfered As Consideration, Shares         5,000,000      
Waiver Termination Threshold, Percent 110.00%              
Delek US and affiliates                
Related Party Transaction [Line Items]                
Related Party. Ownership Percentage In Company     70.50%   70.50%   62.60% 64.50%
Delek US and affiliates | DPG Management Agreement, Operating Service And Construction Fee Paid To Partnership                
Related Party Transaction [Line Items]                
Related Party Transaction, Expenses from Transactions with Related Party     $ 0.4 $ 1.0 $ 1.2 $ 2.8    
Big Spring Gathering Asset                
Related Party Transaction [Line Items]                
Asset Acquisition, Equity Interest Transfered As Consideration, Shares 5,000,000.0