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FINANCIAL STATEMENT PRESENTATION - Other Operating Property and Equipment (Details)	3 Months Ended
	Mar. 31, 2022
Buildings
Other operating property and equipment
Estimated useful lives	20 years
Automobiles
Other operating property and equipment
Estimated useful lives	3 years
Computers
Other operating property and equipment
Estimated useful lives	3 years
Computer software
Other operating property and equipment
Estimated useful lives	5 years
Fixtures, furniture and equipment
Other operating property and equipment
Estimated useful lives	5 years
Trailers
Other operating property and equipment
Estimated useful lives	7 years
Heavy equipment | Minimum
Other operating property and equipment
Estimated useful lives	8 years
Heavy equipment | Maximum
Other operating property and equipment
Estimated useful lives	10 years

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

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