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Accounts payable and accrued expenses (Tables)
 12 Months Ended
Dec. 31, 2018
Accounts payable and accrued expenses (Tables) [Abstract]  
Accounts payable and accrued expenses
Accounts payable and accrued expenses consist of the following:

(Dollars in thousands)
  
2018
    
2017
  
Accounts payable
  
$
10,885
    
$
8,883
  
Accrued interest
    
5,460
      
3,026
  
Accrued voyage expenses
    
3,237
      
2,274
  
Accrued employee compensation
    
3,043
      
2,566
  
Other*
    
6,009
      
679
  
Total accounts payable and accrued expenses
  
$
28,634
    
$
17,427