Segment Information (Tables)

3 Months Ended

Mar. 31, 2023

Segment Reporting [Abstract]

Schedule of segment reporting

	Three months ended
	March 31,
		2023		2022
Marine
Contract revenues	$	79,298	$	84,480
Operating (loss) income	$	(6,080)	$	1,840
Depreciation and amortization expense	$	(3,835)	$	(4,323)
Total assets	$	231,851	$	173,577
Property and equipment, net	$	88,957	$	92,725
Concrete
Contract revenues	$	79,876	$	90,451
Operating loss	$	(4,563)	$	(4,695)
Depreciation and amortization expense	$	(1,611)	$	(1,940)
Total assets	$	112,336	$	167,299
Property and equipment, net	$	8,350	$	12,249