Quarterly report pursuant to Section 13 or 15(d)

Introduction and Basis of Presentation - Additional Information (Details)

v3.19.1
Introduction and Basis of Presentation - Additional Information (Details)
Mar. 31, 2019
Pinedale LP [Member]  
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]  
Controlling economic interest 100.00%
Grand Isle Corridor Gathering LP [Member]  
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]  
Controlling economic interest 100.00%