Description of Business and Summary of Significant Accounting Policies - Range of Estimated Useful Lives (Detail)
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12 Months Ended |
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Dec. 31, 2013
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|
Leasehold and Land Improvements [Member] | Maximum [Member]
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|
Property, Plant and Equipment [Line Items] | |
Estimated useful lives | 30 years |
Leasehold and Land Improvements [Member] | Minimum [Member]
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|
Property, Plant and Equipment [Line Items] | |
Estimated useful lives | 10 years |
Buildings [Member] | Maximum [Member]
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|
Property, Plant and Equipment [Line Items] | |
Estimated useful lives | 30 years |
Buildings [Member] | Minimum [Member]
|
|
Property, Plant and Equipment [Line Items] | |
Estimated useful lives | 10 years |
Parts and Service Equipment [Member] | Maximum [Member]
|
|
Property, Plant and Equipment [Line Items] | |
Estimated useful lives | 10 years |
Parts and Service Equipment [Member] | Minimum [Member]
|
|
Property, Plant and Equipment [Line Items] | |
Estimated useful lives | 7 years |
Office Equipment and Fixtures [Member] | Maximum [Member]
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|
Property, Plant and Equipment [Line Items] | |
Estimated useful lives | 10 years |
Office Equipment and Fixtures [Member] | Minimum [Member]
|
|
Property, Plant and Equipment [Line Items] | |
Estimated useful lives | 3 years |
Company Vehicles [Member] | Maximum [Member]
|
|
Property, Plant and Equipment [Line Items] | |
Estimated useful lives | 5 years |
Company Vehicles [Member] | Minimum [Member]
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|
Property, Plant and Equipment [Line Items] | |
Estimated useful lives | 3 years |