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Revenue (Tables)
 3 Months Ended
Mar. 31, 2018
Revenue from Contract with Customer [Abstract]  
Disaggregation of Revenue The following table disaggregates our revenue by major source:
 
Three Months Ended March 31,
 
2018
 
2017
Terminalling and storage segment
 
 
 
Lubricant product sales
$
36,480

 
$
32,147

Throughput and storage
24,064

 
24,658

 
$
60,544

 
$
56,805

Natural gas services segment
 
 
 
Natural gas liquids product sales
$
159,163

 
$
126,657

Natural gas storage
15,356

 
14,665

 
$
174,519

 
$
141,322

Sulfur service segment
 
 
 
Sulfur product sales
$
11,837

 
$
13,080

Fertilizer product sales
23,063

 
26,447

Sulfur services
2,787

 
2,850

 
$
37,687

 
$
42,377

Marine transportation segment
 
 
 
Inland transportation
$
9,692

 
$
11,291

Offshore transportation
1,762

 
1,530

 
$
11,454

 
$
12,821
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction The table includes estimated revenue expected to be recognized in the future related to performance obligations that are unsatisfied at the end of the reporting period. The Partnership applies the practical expedient in ASC 606-10-50-14(a) and does not disclose information about remaining performance obligations that have original expected durations of one year or less.
 
2018
 
2019
 
2020
 
2021
 
2022
 
Thereafter
 
Total
Terminalling and storage
 
 
 
 
 
 
 
 
 
 
 
 
 
Storage and throughput
$
37,571

 
$
50,629

 
$
49,330

 
$
46,022

 
$
41,505

 
$
393,700

 
$
618,757

Natural gas services
 
 
 
 
 
 
 
 
 
 
 
 
 
Natural gas storage
$
31,309

 
$
32,932

 
$
27,011

 
$
25,134

 
$
24,615

 
$
12,068

 
$
153,069

Sulfur services
 
 
 
 
 
 
 
 
 
 
 
 
 
Sulfur product sales
$
12,597

 
$
16,796

 
$
4,898

 
$
1,181

 
$
295

 
$
—

 
$
35,767

Marine transportation
 
 
 
 
 
 
 
 
 
 
 
 
 
Offshore transportation
$
4,675

 
$
6,205

 
$
6,069

 
$
—

 
$
—

 
$
—

 
$
16,949

Total
$
86,152

 
$
106,562

 
$
87,308

 
$
72,337

 
$
66,415

 
$
405,768

 
$
824,542