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Property and Equipment (Tables)
3 Months Ended
Mar. 31, 2024
Property, Plant and Equipment [Abstract]  
Summary of property and equipment

    

March 31,

    

December 31, 

2024

2023

Automobiles and trucks

$

1,959

$

1,985

Building and improvements

 

36,931

 

36,931

Construction equipment

 

125,374

 

125,705

Vessels and other equipment

 

94,730

 

94,030

Office equipment

 

6,708

 

6,708

 

265,702

 

265,359

Less: Accumulated depreciation

 

(209,236)

 

(206,243)

Net book value of depreciable assets

 

56,466

 

59,116

Construction in progress

 

4,059

 

3,770

Land

 

24,948

 

24,948

$

85,473

$

87,834