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Nature of Business and Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Estimated Useful Lives By Class Of Assets The estimated useful lives by class of assets are:

Class

 

Useful Life (years)

Buildings and improvements

 

10

Furniture and fixtures

 

5-10

Vehicles, dozers, and other light operating equipment and systems

 

3-5

Heavy operating equipment (dredges and barges)

 

10-30