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Business Combinations - Activity (Details) - item	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Retail Commercial Truck Dealership
Business combinations
Number of retail locations acquired		6
Commercial Vehicle Distribution
Business combinations
Number of dealerships acquired	0	1

X

- Definition

Represents the number of dealerships acquired.

+ References

No definition available.

+ Details

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X

- Definition

Represents the number of retail locations acquired.

+ References

No definition available.

+ Details

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X

- 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.

+ References

No definition available.

+ Details

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X

- Details

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X

- Details

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