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Revenues (Tables)
3 Months Ended
Mar. 31, 2020
Revenues [Abstract]  
Revenues by Major Source

The following table sets forth the Company’s revenues by major source (in thousands):

 
Three months ended March 31,
 
   
2020
   
2019
 
Marine transportation segment:
           
Inland transportation
 
$
318,565
   
$
283,085
 
Coastal transportation
   
84,692
     
85,036
 
   
$
403,257
   
$
368,121
 
Distribution and services segment:
               
Oil and gas
 
$
78,678
   
$
223,101
 
Commercial and industrial
   
161,991
     
153,399
 
   
$
240,669
   
$
376,500