Segment Information (Tables)

3 Months Ended

Mar. 31, 2019

Segment Reporting [Abstract]

Schedule of Segment Reporting

Segment information for the periods presented is provided as follows:

	Three months ended March 31, 2019			Three months ended March 31, 2018
Marine
Contract revenues	$	61,487		$	62,791
Operating (loss) income	(6,456		)	6,265
Depreciation and amortization expense	(4,946		)	(4,731		)
Total assets	$	213,162		$	255,484
Property, plant and equipment, net	118,596			127,078
Concrete
Contract revenues	$	81,618		$	74,052
Operating income	279			804
Depreciation and amortization expense	(2,094		)	(2,049		)
Total assets	$	127,220		$	166,949
Property, plant and equipment, net	18,245			17,790