Disaggregation of Revenue

3 Months Ended

Mar. 31, 2019

Disaggregation Of Revenue [Abstract]

Disaggregation of Revenue

5.  Disaggregation of Revenue

The following tables present our disaggregated revenue (in thousands):  

Three Months Ended March 31,

	Transportation		Water		Specialty		Materials		Total
2019
California	$	69,513	$	1,366	$	32,157	$	23,065	$	126,101
Northwest		55,639		1,231		32,192		14,532		103,594
Heavy Civil		194,971		4,534		—		—		199,505
Federal		26		508		15,202		—		15,736
Midwest		18,061		84		35,888		—		54,033
Water and Mineral Services		—		91,532		25,254		4,046		120,832
Total	$	338,210	$	99,255	$	140,693	$	41,643	$	619,801
2018
California	$	116,570	$	29,039	$	31,302	$	32,988	$	209,899
Northwest		47,112		867		27,678		12,734		88,391
Heavy Civil		178,864		4,222		—		—		183,086
Federal		257		491		4,047		—		4,795
Midwest		16,342		496		55,444		—		72,282
Water and Mineral Services		—		4,926		—		—		4,926
Total	$	359,145	$	40,041	$	118,471	$	45,722	$	563,379