XML 37 R23.htm IDEA: XBRL DOCUMENT v3.22.4
Nature of Business and Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2022
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