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Leases (Tables)
 12 Months Ended
Dec. 31, 2016
Leases [Abstract]  
Future Minimum Lease Payments for Lease Obligations
The future minimum lease payments as of December 31, 2016, for the above lease obligations were:
 
 
Total
 
2017
 
2018
 
2019
 
2020
 
2021
 
Remainder
Operating lease for land
$
0.7

 
$
0.5

 
$
0.2

 
$
—

 
$
—

 
$
—

 
$
—

Capital lease for Port Neches storage tanks (1)
63.0

 
4.3

 
4.3

 
4.3

 
4.3

 
4.3

 
41.5

 
$
63.7

 
$
4.8

 
$
4.5

 
$
4.3

 
$
4.3

 
$
4.3

 
$
41.5

 
(1) Future minimum lease payments include $40.2 million in interest, $22.8 million in principal and excludes $11.0 million in executory costs.