Selected Quarterly Financial Data (Unaudited) (Details Textual) $ in Thousands	3 Months Ended						12 Months Ended
	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Dec. 31, 2014 USD ($)	Sep. 30, 2014 USD ($)	Jun. 30, 2014 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Condensed Financial Statements, Captions [Line Items]
ASSET IMPAIRMENTS	$ 85,700	$ 900	$ 1,000	$ 30,400	$ 9,400	$ 1,700	$ 87,562	$ 41,520	$ 6,542
Gains (Losses) on Extinguishment of Debt							0	(46,403)	0
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)				$ 25,600	$ 5,500		30,100	31,000	5,400
U.S. [Member]
Condensed Financial Statements, Captions [Line Items]
ASSET IMPAIRMENTS							$ 18,983	15,570	6,542
Number of Dealerships Disposed					5		2
Net Gain (Loss) on Real Estate and Dealership Transactions					$ 16,600		$ 9,400
Gains (Losses) on Extinguishment of Debt					$ 22,800	$ 23,600		(46,403)
U.S. [Member] | Net of taxes [Member]
Condensed Financial Statements, Captions [Line Items]
ASSET IMPAIRMENTS							12,000		4,000
Net Gain (Loss) on Real Estate and Dealership Transactions							5,500		5,400
Brazil [Member]
Condensed Financial Statements, Captions [Line Items]
ASSET IMPAIRMENTS							68,249	25,950	$ 0
Gains (Losses) on Extinguishment of Debt								0
Tax impact of deductible goodwill								$ 3,400
Brazil [Member] | Net of taxes [Member]
Condensed Financial Statements, Captions [Line Items]
ASSET IMPAIRMENTS							$ 62,400