Property and Equipment (Tables)

6 Months Ended

Jun. 30, 2023

Property, Plant and Equipment [Abstract]

Summary of property and equipment

	June 30,		December 31,
	2023		2022
Automobiles and trucks	$	2,089	$	2,232
Building and improvements		36,953		36,952
Construction equipment		127,924		130,660
Vessels and other equipment		89,051		91,495
Office equipment		6,939		6,885
		262,956		268,224
Less: Accumulated depreciation		(198,704)		(195,948)
Net book value of depreciable assets		64,252		72,276
Construction in progress		2,593		816
Land		24,948		27,885
	$	91,793	$	100,977