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Reportable Segments (Tables)
3 Months Ended
Mar. 31, 2017
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information, by Segment
The following table represents information for the Company’s reportable segments and its corporate function:
 
Three Months Ended March 31,
 
2017
 
2016
Sales
 
 
 
Energy & Chemicals
$
39,867

 
$
37,959

Distribution & Storage
113,258

 
107,497

BioMedical
50,970

 
48,301

Consolidated
$
204,095

 
$
193,757

Operating (Loss) Income
 
 
 
Energy & Chemicals
$
(181
)
 
$
(2,198
)
Distribution & Storage
11,593

 
9,830

BioMedical
5,000

 
6,652

Corporate
(16,165
)
 
(14,247
)
Consolidated
$
247

 
$
37