Segment Information (Tables)

12 Months Ended

Dec. 31, 2019

Segment Reporting [Abstract]

Schedule of segment reporting

	Year Ended		Year Ended
	December 31, 2019		December 31, 2018
Marine
Contract revenues	$	369,138	$	243,883
Operating income (loss)		1,057		(61,012)
Depreciation and amortization expense		(19,889)		(22,657)
Total assets	$	264,681	$	190,503
Property, plant and equipment, net		114,873		128,168
Concrete
Contract revenues	$	339,252	$	277,011
Operating (loss) income		1,136		(39,528)
Depreciation and amortization expense		(8,519)		(9,142)
Total assets	$	130,163	$	122,367
Property, plant and equipment, net		17,475		19,835