Revenue (Tables)

12 Months Ended

Dec. 31, 2018

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table represents a disaggregation of the Company’s contract revenues by service line for the marine and concrete segments:

	2018
Marine Segment
Construction	$	156,925
Dredging	73,237
Specialty Services	13,721
Marine segment contract revenues	$	243,883
Concrete Segment
Light Commercial	$	215,628
Structural	60,926
Other	457
Concrete segment contract revenues	$	277,011
Total contract revenues	$	520,894