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Property and Equipment (Tables)
6 Months Ended
Jun. 30, 2024
Property, Plant and Equipment [Abstract]  
Summary of property and equipment

    

June 30, 

    

December 31, 

2024

2023

Automobiles and trucks

$

1,959

$

1,985

Building and improvements

 

36,931

 

36,931

Construction equipment

 

125,030

 

125,705

Vessels and other equipment

 

95,528

 

94,030

Office equipment

 

7,081

 

6,708

 

266,529

 

265,359

Less: Accumulated depreciation

 

(211,779)

 

(206,243)

Net book value of depreciable assets

 

54,750

 

59,116

Construction in progress

 

6,277

 

3,770

Land

 

24,948

 

24,948

$

85,975

$

87,834