Segment Information (Tables)

3 Months Ended

Mar. 31, 2017

Segment Reporting [Abstract]

Schedule of Segment Reporting

Segment information for the periods presented is provided as follows:

	Three months ended March 31, 2017			Three months ended March 31, 2016
Marine Construction
Contract revenues	$	67,180		$	62,415
Operating loss	(7,707		)	(3,143		)
Depreciation and amortization expense	(5,255		)	(5,067		)
Total Assets	$	261,176		$	305,270
Property, Plant and Equipment, net	139,221			150,978
Concrete Construction
Contract revenues	$	71,577		$	67,208
Operating income	6,225			2,688
Depreciation and amortization expense	(2,273		)	(3,483		)
Total Assets	$	170,262		$	147,009
Property, Plant and Equipment, net	14,695			15,033