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Leases (Tables)
 12 Months Ended
Dec. 31, 2017
Leases [Abstract]  
Future Minimum Lease Payments for Lease Obligations
The future minimum lease payments as of December 31, 2017, for the above lease obligations were:
 
 
Total
 
2018
 
2019
 
2020
 
2021
 
2022
 
Remainder
Operating lease for land (1)
$
2.7

 
$
0.2

 
$
0.2

 
$
0.2

 
$
0.2

 
$
0.2

 
$
1.7

Lease of platform space and tie-in
6.9

 
0.2

 
0.2

 
0.3

 
0.3

 
0.3

 
5.6

Capital lease for Port Neches storage tanks (2)
58.7

 
4.3

 
4.3

 
4.3

 
4.3

 
4.3

 
37.2

 
$
68.3

 
$
4.7

 
$
4.7

 
$
4.8

 
$
4.8

 
$
4.8

 
$
44.5

(1) On May 1, 2017, Zydeco entered into a new operating lease for land with the same counterparty. This new lease terminated the former agreement. 
(2) Includes $33.4 million in interest, $24.9 million in principal and excludes $10.3 million in executory costs.