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v3.19.3.a.u2

Business and Summary of Significant Accounting Policies and Estimates - Business and Organization (Details) | Dec. 31, 2019 town state dealership international_region
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Business And Organization [Line Items] |
Number of international regions | international_region | 2
U.S. |
Business And Organization [Line Items] |
Number of states in which the entity operates | state | 15
Number of dealerships | 119
U.K. |
Business And Organization [Line Items] |
Number of towns in which the entity operates | town | 33
Number of dealerships | 50
Brazil |
Business And Organization [Line Items] |
Number of states in which the entity operates | state | 3
Number of dealerships | 17

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- Definition Business And Organization [Line Items] + References No definition available. + Details
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- Definition Number of dealerships. + References No definition available. + Details
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Namespace Prefix: | gpi_
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Balance Type: | na
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- Definition Number of Towns in which Entity Operates + References No definition available. + Details
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- Definition Number of international regions + References No definition available. + Details
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Balance Type: | na
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X
- Definition The number of states the entity operates in as of the balance sheet date. + References No definition available. + Details
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- Details
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- Details
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- Details
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