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Interim Financial Information (Details Textual)	3 Months Ended
	Mar. 31, 2017 dealerships town states
Business And Organization [Line Items]
Number of International Regions	2
Number of Reportable Segments	3
UNITED STATES
Business And Organization [Line Items]
Number of States in which Entity Operates | states	14
Number of domestic regions	2
UNITED STATES | East [Member]
Business And Organization [Line Items]
Number of Dealerships	36
UNITED STATES | West [Member]
Business And Organization [Line Items]
Number of Dealerships	75
UNITED KINGDOM
Business And Organization [Line Items]
Number of Towns in which Entity Operates | town	21
Number of Dealerships	31
BRAZIL
Business And Organization [Line Items]
Number of States in which Entity Operates | states	4
Number of Dealerships	16

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- Definition

Business And Organization [Line Items]

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- Definition

Number of dealerships.

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Number of Towns in which Entity Operates

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Number of domestic regions

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Number of international regions

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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The number of states the entity operates in as of the balance sheet date.

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