Segment Information (Tables)

9 Months Ended

Sep. 30, 2024

Segment Reporting [Abstract]

Schedule of segment reporting

	Three months ended				Nine months ended
	September 30,				September 30,
		2024		2023		2024		2023
Marine
Contract revenues	$	140,013	$	80,913	$	377,291	$	260,754
Operating income (loss)	$	5,485	$	2,001	$	(4,847)	$	(587)
Depreciation and amortization expense	$	(4,552)	$	(4,771)	$	(14,405)	$	(12,418)
Total assets	$	318,864	$	269,409	$	318,864	$	269,409
Property and equipment, net	$	80,916	$	82,914	$	80,916	$	82,914
Concrete
Contract revenues	$	86,662	$	87,563	$	202,223	$	249,430
Operating income (loss)	$	2,296	$	560	$	6,736	$	(5,456)
Depreciation and amortization expense	$	(1,016)	$	(1,322)	$	(3,153)	$	(4,464)
Total assets	$	111,465	$	110,813	$	111,465	$	110,813
Property and equipment, net	$	5,338	$	6,671	$	5,338	$	6,671