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Property and Equipment (Tables)
3 Months Ended
Mar. 31, 2025
Property, Plant and Equipment [Abstract]  
Summary of property and equipment

    

March 31,

    

December 31, 

2025

2024

Automobiles and trucks

$

1,789

$

1,790

Building and improvements

 

39,411

 

39,401

Construction equipment

 

117,908

 

117,652

Vessels and other equipment

 

97,232

 

96,172

Office equipment

 

7,563

 

7,562

 

263,903

 

262,578

Less: Accumulated depreciation

 

(211,560)

 

(209,234)

Net book value of depreciable assets

 

52,343

 

53,344

Construction in progress

 

14,665

 

7,806

Land

 

24,948

 

24,948

$

91,956

$

86,098