Segment Information (Tables)

9 Months Ended

Sep. 30, 2022

Segment Reporting [Abstract]

Schedule of segment reporting

	Three months ended				Nine months ended
	September 30,				September 30,
		2022		2021		2022		2021
Marine
Contract revenues	$	76,098	$	54,739	$	242,897	$	190,827
Operating income (loss)	$	5,197	$	(4,965)	$	9,553	$	6,489
Depreciation and amortization expense	$	(4,192)	$	(4,232)	$	(12,751)	$	(12,912)
Total assets	$	219,955	$	252,332	$	219,955	$	252,332
Property and equipment, net	$	91,338	$	92,612	$	91,338	$	92,612
Concrete
Contract revenues	$	106,523	$	85,168	$	309,230	$	248,264
Operating loss	$	(4,066)	$	(3,778)	$	(14,125)	$	(7,611)
Depreciation and amortization expense	$	(1,873)	$	(1,993)	$	(5,675)	$	(6,228)
Total assets	$	128,201	$	116,023	$	128,201	$	116,023
Property and equipment, net	$	10,436	$	14,073	$	10,436	$	14,073