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Note 4 - Goodwill and Franchise Value (Details) - Goodwill - USD ($) $ in Thousands		6 Months Ended	12 Months Ended
		Jun. 30, 2015	Dec. 31, 2014
Goodwill [Line Items]
Balance	[1]	$ 199,129	$ 199,375
Reduction related to divestiture		(246)
Additions through acquisitions			149,864
Domestic [Member]
Goodwill [Line Items]
Balance	[1]	91,011	91,011
Additions through acquisitions			68,463
Import [Member]
Goodwill [Line Items]
Balance	[1]	79,355	79,601
Reduction related to divestiture		(246)
Additions through acquisitions			62,804
Luxury [Member]
Goodwill [Line Items]
Balance	[1]	$ 28,763	28,763
Additions through acquisitions			$ 18,597
[1] Net of accumulated impairment losses of $299.3 million recorded during the year ended December 31, 2008.

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 350



-SubTopic 20



-Section 50



-Paragraph 1



-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267



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- Definition

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+ References

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+ References

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-Topic 350



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