Revenue (Tables)

3 Months Ended

Mar. 31, 2019

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, 2019		Three Months Ended March 31, 2018
Marine Segment
Construction	$	33,636	$	42,375
Dredging	26,167		17,011
Specialty Services	1,684		3,405
Marine segment contract revenues	$	61,487	$	62,791
Concrete Segment
Structural	$	11,491	$	17,372
Light Commercial	70,096		56,493
Other	31		187
Concrete segment contract revenues	$	81,618	$	74,052
Total contract revenues	$	143,105	$	136,843