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Segment Information (Tables)
 9 Months Ended
Sep. 30, 2018
Segment Reporting [Abstract]  
Schedule of Segment Reporting
Segment information for the periods presented is provided as follows:

 
Three months ended September 30, 2018
Three months ended September 30, 2017
Nine months ended September 30, 2018
Nine months ended September 30, 2017
Marine
 
 
 
 
         Contract revenues
$
63,479

$
68,383

$
206,967

$
197,566

         Operating (loss) income
(5,559
)
(9,837
)
4,348

(26,160
)
         Depreciation and amortization expense
(4,746
)
(5,075
)
(14,772
)
(15,417
)
 
 
 
 
 
         Total Assets
$
269,501

$
248,960

$
269,501

$
248,960

         Property, Plant and Equipment, net
125,231

131,630

125,231

$
131,630

 
 
 
 
 
Concrete
 
 
 
 
        Contract revenues
$
61,594

$
71,779

$
214,715

$
218,773

         Operating (loss) income
(1,846
)
4,483

(94
)
16,858

        Depreciation and amortization expense
(2,176
)
(2,229
)
(6,362
)
(7,005
)
 
 
 
 
 
        Total Assets
$
155,247

$
177,746

$
155,247

$
177,746

        Property, Plant and Equipment, net
19,156

17,149

19,156

17,149