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Note 5 - Goodwill and Franchise Value (Tables)

12 Months Ended

Dec. 31, 2014

Disclosure Text Block Supplement [Abstract]

Schedule of Goodwill [Table Text Block]

		Domestic				Import				Luxury				Consolidated
Balance as of December 31, 2012⁽¹⁾		$	16,132			$	8,715			$	7,200			$	32,047
Additions through acquisitions			6,416				8,082				2,966				17,464
Balance as of December 31, 2013⁽¹⁾			22,548				16,797				10,166				49,511
Additions through acquisitions			68,463				62,804				18,597				149,864
Balance as of December 31, 2014⁽¹⁾		$	91,011			$	79,601			$	28,763			$	199,375

Schedule of Indefinite-Lived Intangible Assets [Table Text Block]

		Franchise Value
Balance as of December 31, 2012		$	62,429
Additions through acquisitions			8,770
Balance as of December 31, 2013			71,199
Additions through acquisitions			80,233
Transfers to assets held for sale			(540	)
Balance as of December 31, 2014		$	150,892