Segment Information (Tables)

12 Months Ended

Dec. 31, 2025

Segment Reporting [Abstract]

Schedule of segment reporting

	Year Ended December 31,
	2025		2024		2023
	Amount		Amount				Amount
Marine	(dollar amounts in thousands)
Contract revenues	$	544,831	$	521,250		$	395,917
Cost of contract revenues		457,725		465,857			355,777
Gross profit		87,106		55,393			40,140
Selling, general and administrative expenses		57,730		54,491			43,307
Gain on disposal of assets, net		(487)		(1,416)			(6,837)
Operating income	$	29,863	$	2,318		$	3,670
Total assets	$	315,474	$	316,199		$	318,684
Property and equipment, net	$	84,332	$	81,342		$	82,215
Depreciation and amortization	$	18,983	$	18,693		$	18,219
Capital expenditures	$	37,579	$	12,187		$	8,375
Concrete
Contract revenues	$	307,429	$	275,144		$	315,861
Cost of contract revenues		288,921		239,377			294,338
Gross profit		18,508		35,767			21,523
Selling, general and administrative expenses		35,741		28,046			26,124
Amortization of intangible assets							427
Gain on disposal of assets, net		(1,981)		(1,482)			(1,618)
Intangible asset impairment loss							6,890
Operating (loss) income	$	(15,252)	$	9,203		$	(10,300)
Total assets	$	99,178	$	101,118		$	98,209
Property and equipment, net	$	3,878	$	4,756		$	5,619
Depreciation and amortization	$	3,279	$	4,072		$	5,659
Capital expenditures	$	1,283	$	1,904		$	534