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

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September 30, 

    

December 31, 

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2025

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2024

Construction equipment

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$

115,136

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$

117,652

Vessels and other equipment

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100,613

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96,173

Building and improvements

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51,649

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39,401

Automobiles and trucks

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5,802

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1,790

Office equipment

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1,693

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7,562

Gross book value of depreciable assets

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274,893

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262,578

Less: Accumulated depreciation

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(202,819)

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(209,234)

Net book value of depreciable assets

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72,074

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53,344

Construction in progress

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4,092

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7,806

Land

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24,948

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24,948

Property and equipment, net of depreciation

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$

101,114

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$

86,098