Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2022

Property, Plant and Equipment [Abstract]

Summary of property and equipment

	December 31,		December 31,
	2022		2021
Automobiles and trucks	$	2,232	$	2,337
Building and improvements		36,952		34,796
Construction equipment		130,660		137,786
Vessels and other equipment		91,495		82,455
Office equipment		6,885		6,430
		268,224		263,804
Less: Accumulated depreciation		(195,948)		(191,542)
Net book value of depreciable assets		72,276		72,262
Construction in progress		816		6,507
Land		27,885		27,885
	$	100,977	$	106,654