Quarterly report pursuant to Section 13 or 15(d)

Leased Properties and Leases - Significant Leases (Details)

v3.20.2
Leased Properties and Leases - Significant Leases (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Pinedale LGS          
Operating Leased Assets [Line Items]          
Percentage of Leased Properties 0.00%   0.00%   44.40%
Percentage of Lease Revenue 0.00% 40.00% 52.00% 39.30%  
Variable rent $ 0 $ 1,400 $ 28 $ 3,500  
Grand Isle Gathering System          
Operating Leased Assets [Line Items]          
Percentage of Leased Properties 98.00%   98.00%   55.30%
Percentage of Lease Revenue 0.00% 59.80% 47.70% 60.60%