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Property and Equipment (Tables)
9 Months Ended
Sep. 30, 2025
Property, Plant and Equipment [Abstract]  
Summary of property and equipment

    

September 30, 

    

December 31, 

2025

2024

Construction equipment

$

115,136

$

117,652

Vessels and other equipment

 

100,613

 

96,173

Building and improvements

 

51,649

 

39,401

Automobiles and trucks

 

5,802

 

1,790

Office equipment

 

1,693

 

7,562

Gross book value of depreciable assets

 

274,893

 

262,578

Less: Accumulated depreciation

 

(202,819)

 

(209,234)

Net book value of depreciable assets

 

72,074

 

53,344

Construction in progress

 

4,092

 

7,806

Land

 

24,948

 

24,948

Property and equipment, net of depreciation

$

101,114

$

86,098