Revenue (Tables)

3 Months Ended

Mar. 31, 2018

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

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

	Three Months Ended March 31, 2018
Marine Segment
Construction	$	42,375
Dredging	17,011
Specialty Services	3,405
Marine segment contract revenues	$	62,791
Concrete Segment
Structural	$	17,372
Light Commercial	56,493
Other	187
Concrete segment contract revenues	$	74,052
Total contract revenues	$	136,843