Note 11 - Derivative Financial Instruments (Details) - Effect of Derivative Instruments on Consolidated Statements of Operations (Floor Plan Interest Expense [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Floor Plan Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in OCI (Effective Portion)	$ 1,005	$ 1,655	$ (1,343)
Amount of Gain/(Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	(740)	(1,413)	(1,899)
Amount of Gain/(Loss) Recognized in Income on Derivative (Ineffective Portion and Amount Excluded from Effectiveness Testing)	$ (1,235)	$ (2,900)	$ (1,587)

Note 11 - Derivative Financial Instruments (Details) - Effect of Derivative Instruments on Consolidated Statements of Operations (Floor Plan Interest Expense [Member], USD $)
In Thousands, unless otherwise specified

12 Months Ended

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Floor Plan Interest Expense [Member]

Derivative Instruments, Gain (Loss) [Line Items]

Amount of Gain/(Loss) Recognized in OCI (Effective Portion)

$ 1,005

$ 1,655

$ (1,343)

Amount of Gain/(Loss) Reclassified from Accumulated OCI into Income (Effective Portion)

(740)

(1,413)

(1,899)

Amount of Gain/(Loss) Recognized in Income on Derivative (Ineffective Portion and Amount Excluded from Effectiveness Testing)

$ (1,235)

$ (2,900)

$ (1,587)