Annual report pursuant to Section 13 and 15(d)

Leased Properties and Leases - Leased Properties (Details)

v3.10.0.1
Leased Properties and Leases - Leased Properties (Details)
bbl / d in Thousands
 12 Months Ended
Jan. 01, 2019
USD ($)
Dec. 31, 2018
USD ($)
a
bbl / d
facility
leased_property
mi
Sale Leaseback Transaction [Line Items]    
Number of significant leased properties | leased_property   2
Grand Isle Gathering System    
Sale Leaseback Transaction [Line Items]    
Initial term   11 years
Renewal term   9 years
Renewal Term, percentage of remaining useful life   75.00%
Length of offshore pipeline (in miles) | mi   153
Pipeline capacity (in bbl/day) | bbl / d   120
Number of acres in the onshore terminal and saltwater disposal system (in acres) | a   16
Current Monthly Rent Payments   $ 2,854,667
Expected future monthly rent payments   $ 2,860,917
Estimated Useful Life   27 years
Pinedale LGS    
Sale Leaseback Transaction [Line Items]    
Initial term   15 years
Renewal term   5 years
Length of offshore pipeline (in miles) | mi   150
Number of storage facilities | facility   4
Current Monthly Rent Payments   $ 1,776,772
Estimated Useful Life   26 years
Minimum    
Sale Leaseback Transaction [Line Items]    
Initial term   11 years
Maximum    
Sale Leaseback Transaction [Line Items]    
Initial term   15 years
Forecast | Pinedale LGS    
Sale Leaseback Transaction [Line Items]    
Current Monthly Rent Payments $ 1,812,307