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Description of Business and Summary of Significant Accounting Policies - Range of Estimated Useful Lives (Details) | 12 Months Ended
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Dec. 31, 2018
Leasehold and Land Improvements | Minimum |
Property, Plant and Equipment [Line Items] |
Estimated useful lives | 10 years
Leasehold and Land Improvements | Maximum |
Property, Plant and Equipment [Line Items] |
Estimated useful lives | 30 years
Buildings | Minimum |
Property, Plant and Equipment [Line Items] |
Estimated useful lives | 10 years
Buildings | Maximum |
Property, Plant and Equipment [Line Items] |
Estimated useful lives | 30 years
Parts and service equipment | Minimum |
Property, Plant and Equipment [Line Items] |
Estimated useful lives | 7 years
Parts and service equipment | Maximum |
Property, Plant and Equipment [Line Items] |
Estimated useful lives | 10 years
Office equipment and fixtures | Minimum |
Property, Plant and Equipment [Line Items] |
Estimated useful lives | 3 years
Office equipment and fixtures | Maximum |
Property, Plant and Equipment [Line Items] |
Estimated useful lives | 10 years
Company vehicles | Minimum |
Property, Plant and Equipment [Line Items] |
Estimated useful lives | 3 years
Company vehicles | Maximum |
Property, Plant and Equipment [Line Items] |
Estimated useful lives | 5 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. + References No definition available. + Details
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Period Type: | duration

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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 No definition available. + Details
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- Details
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- Details
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Period Type: |

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- Details
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- Details
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- Details
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- Details
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- Details
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