XML 57 R40.htm IDEA: XBRL DOCUMENT v3.19.1
Related Party Transactions (Tables)
 3 Months Ended
Mar. 31, 2019
Related Party Transactions [Abstract]  
Related Party Transactions During the three months ended March 31, 2019 and 2018, we generated the following transactions with related parties (in thousands):
 
Three Months Ended March 31,
 
2019
 
2018
NGL Energy
 
 
 
   Revenues
$
3,058

 
$
6,180

   Purchases
$
211

 
$
236

 
 
 


White Cliffs
 
 


   Storage revenues
$
1,088

 
$
1,088

   Transportation fees
$
3,018

 
$
3,623

   Management fees
$
140

 
$
133

   Crude oil purchases
$
—

 
$
895